NOMTechnical Memorandum NMFS
SEPTEMBER 1999
ICHTHYOPLANKTON AND STATION DATA FOR CALIFORNIA COOPERATIVE OCEANIC FISHERIES INVESTIGATIONS SURVEY CRUISES IN 1992
William Watson Richard L. Charter H. Geoffrey Moser
NOM-TM-NMFS-SWFSC-273
U.S. DEPARTMENT OF COMMERCE National Oceanic and Atmospheric Administration National Marine Fisheries Service Southwest Fisheries Science Center The National Oceanic and Atmospheric Administration (NOAA), organized in 1970, has evolved into an agency which establishes national policies and manages and conserves our oceanic, coastal, and atmospheric resources. An organizational element within NOAA, the Office of Fisheries is responsible for fisheries policy and the direction of the National Marine Fisheries Service (NMFS).
In addition to its formal publications, the NMFS uses the NOAA Technical Memorandum series to issue informal scientific and technical publications when complete formal review and editorial processing are not appropriate or feasible. Documents within this series, however, reflect sound professional work and may be referenced in the formal scientific and technical literature. NOAA Technical Memorandum NMFS This TM series us used for documentation and timely communicationof preliminary results, interim reports, or special purpose information. The Ms have not received complete formal review, edtorii control, or detailed editing.
SEPTEMBER 1999
ICHTHYOPLANKTON AND STATION DATA FOR CALIFORNIA COOPERATIVE OCEANIC FISHERIES INVESTIGATIONS SURVEY CRUISES IN 1992
William Watson Richard L. Charter H. Geoffrey Moser
National Marine Fisheries Service, NOAA Southwest Fisheries Science Center La Jolla Laboratory P.O. Box 271 La Jolla, California 92038-0271
NOM-TM-NMFS-SWFSC-273
U.S. DEPARTMENT OF COMMERCE William M. Daley, Secretary National Oceanic and Atmospheric Administration D. James Baker, Under Secretary for Oceans and Atmosphere National Marine Fisheries Service Penelope Dalton, Assistant Administrator for Fisheries CONTENTS
Page ListofFigures ...... 111...
ListofTables ...... 111...
Abstract ...... 1
Introduction ...... 1
SamplingAreaandPattern ...... 2
Sampling Gear and Methods ...... 3
LaboratoryProcedures ...... 3
Identification ...... 4
SpeciesSummary ...... 5
ExplanationofTables ...... 6
Acknowledgments ...... 6
Literaturecited ...... 7
Figures ...... 11
Tables ...... 14
Phylogenetic Index to Table 4 ...... 86
Alphabetical Index to Table 4 ...... 89
.. 11 LIST OF FIGURES Page
Figure 1. Stations and cruise tracks for CalCOFI cruises 9202 and 9204 ...... 11
Figure 2. Stations and cruise tracks for CalCOFI cruises 9207 and 9210 ...... 12
Figure 3. Basic station plan for CalCOFI cruises ...... 13
LIST OF TABLES . Page
Table 1. Station and plankton tow data for CalCOFI cruises in 1992 ...... 14
Table 2. Pooled occurrences of fish larvae taken on CalCOFI cruises in 1992 ...... 22
Table 3. Pooled counts of fish larvae taken on CalCOFI cruises in 1992 ...... 25
Table 4. Standardized counts of fish larvae taken on CalCOFI cruises in 1992, listed by taxon, station, and month ...... 28
... 111 ABSTRACT
This report provides ichthyoplankton data and associated station and tow data from California Cooperative Oceanic Fisheries Investigations (CalCOFI) cruises conducted in the Southern California Bight region in 1992. It is the 32"d report in a series that presents these data for all biological-oceanographic CalCOFl surveys from 195 1 to the present. A total of 258 stations was occupied during quarterly cruises over the survey area which extended from Avila Beach to San Diego, California. Transects extended seaward in a southwesterly direction to a maximum of approximately 330 n. mi. The most seaward station, 90.0 120.0, was approximately 400 n. mi. west of Punta Baja, Baja California, Mexico. The data are listed in a series of four tables; the background, methodology, and information necessary for interpretation of the data are presented in an accompanying text. All pertinent station and tow data, including volumes of water strained and standard haul factors, are listed in the first table. Another table lists, by station and month, standardized counts of each of the 146 larval fish categories identified from survey samples. This series of reports makes the CalCOFI iclithyoplankton and station data available to all investigators and serves as a guide to the computer data base.
INTRODUCTION
This report, the 32"d in the series, provides ichthyoplankton and associated station and tow data from California Cooperative Oceanic Fisheries Investigations (CalCOFI) joint biological-oceanographic survey cruises conducted in 1992. This program was initiated in 1949, under the sponsorship of the Marine Research Committee of the State of California, to study the population fluctuations of the Pacific sardine (Sardinops sugm) and the environmental factors that may play a role in these fluctuations. CalCOFI is a partnership among the Southwest Fisheries Science Center of theNational Marine Fisheries Service (NMFS), the Scripps Institution of Oceanography (SIO), and the California Department of Fish and Game (CDFG). NMFS and SI0 supply ships and personnel to conduct the sea surveys, NMFS processes the plankton samples and analyzes the ichthyoplankton from them. SI0 processes and analyzes hydrographic and biological samples and analyzes invertebrate groups from the plankton samples.
The boundaries, station placement, and sampling frequency for the CalCOFI surveys were based on the results of joint biological-oceanographic cruises conducted by NMFS and SI0 during 1939-41. Originally, CalCOFI cruises were designed to collect sardine eggs and larvae and associated hydrographic data over the entire areal and seasonal spawning range of the species. From 1951 to 1960 the surveys were annual with cruises conducted monthly. The survey area was occupied quarterly during 196 1 - 1965 and in 1966 the surveys became triennial with monthly cruises. Beginning in 1985 annual surveys were resumed, with quarterly cruises occupying only the Southern California Bight region (see Hewitt 1988 and Moser et al. 1993, 1994 for summaries of CalCOFI historical sampling effort).
Hydrographic and biological data from the 1992 CalCOFl survey have been published by the Scripps Institution of Oceanography (Univ. of Calif., SI0 1992, 1993). All available records for the 1992 CalCOFI surveys were verified and edited to produce this ichthyoplankton data report. These reports make the CalCOFI ichthyoplankton and station data available to all investigators and serve as guides to the computer data base. They are the basic documents against which changes in the data base can be compared as it is modified to correct errors and update earlier identifications. Citations for previous reports in this series are:
1 Survey Report Survey Report 1951 Ambrose et al. 1987a 1967 Ambrose et al. 1988b 1952 Sandknop et al. 1987a 1968 Sandknop et al. 1988c 1953 Stevens et al. 1987a 1969 Stevens et al. 1988b 1954 Sumida et al. 1987a 1972 Sumida et al. 1988c 1955 Ambrose et al. 1987b 1975 Ambrose et al. 1988c 1956 Stevens et al. 1987b 1978 Sandknop et al. 1988d 1957 Sumida et al. 1987b 1981 Ainbrose et al. 1988d 1958 Sandknop et al. 1987b 1984 Stevens et al. 1990 1959 Stevens et al. 1987c 985 Ambrose et al. 1999a 1960 Ambrose et al. 1987c 986 Charter et al. 1999a 1961 Sandknop et al. 1988a 987 Sandknop et al. 1999a 1962 Sumida et al. 1988a 988 Watson et al. 1999 1963 Ambrose et al. 1988a 1989 Ambrose et al. 1999b 1964 Sandknop et al. 1988b 1990 Charter et al. 1999b 1965 Stevens et al. 1988a 1991 Sandknop et al. 1999b 1966 Sumida et al. 1988b
SAMPLING AREA AND PATTERN A total of 258 standard CalCOFI survey stations was occupied on four cruises in 1992, employing two research vessels:
9202, RV David Starr Jordan, 62 stations, January 28-February 11;
9204, RV David Starr Jordan, 66 stations, April 13-28;
9207, RV David Starr Jordan, 66 stations, July 2- 15;
9210, RV New Horizon, 64 stations, September 26-October 9.
The survey area extended from Avila Beach to San Diego, California and seaward on six survey lines to approximately 120-330 n. mi. (Figures land 2).' The most seaward station, 90.0 120.0, was approximately 400 n. mi. west of Punta Baja, Baja California, Mexico. Stations on CalCOFI lines 76.7 and 80.0 extended seaward to station 100.0, stations on lines 83.3 and 86.7 extended seaward to station 110.0, and stations on
Beginning in 1981 we changed our designation of ordinal survey lines (those ending in "3" and "7")to an exact decimal notation. Thus, lines 77, 83, 87, 93, etc. were changed to 76.7, 83.3, 86.7, 93.3, etc. to indicate the spacing between cardinal lines (those ending in "0"). Scripps Institution of Oceanography continues to use the original designation for ordinal lines (Figures land 2 and see Univ. of Calif., SI0 1992, 1993).
2 lines 90.0 and 93.3 extended seaward to station 120.0 on all cruises. At its shoreward end, line 76.7 began at station 70.0 on cruise 9202, and at station 49.0 on all other cruises (Figures 1 and 2).
SAMPLING GEAR AND METHODS
In 1978, the standard 1-m ring net with towing bridle was replaced by a bridle-free "bongo" net. The bongo frame (McGowan and Brown 1966; Smith and Richardson 1977) consists of a pair of circular frames connected to a central axle. The axle is free to rotate so that the mouth openings are vertical during the tow. The standard CalCOFI net has 7 1 cm diameter frames and net material constructed of nylon mesh. Each net consists of a cylindrical section -146 cm long, a truncated conical section -161 cm long, and a detachable cod end. The starboard net, from which the standard sample is taken, is constructed of 0.505 mm mesh. The sample from the port side is used for other purposes; the mesh size is either 0.505 mm or 0.333 mm depending on requirements. The cod end of each net is constructed of 0.333 mm mesh.
The standard tow in 1992 was a double oblique haul to 210 m depth (to 15 m from the bottom in shallow areas) designed to filter a constant amount of water per depth interval (- 2 m3/m of depth) over the vertical range of most ichthyoplankters. Hauls were made at a ship speed of 1.5-2.0 knots and initiated by clamping the net to the towing cable above a 34 kg weight suspended below the surface. The net was lowered to - 210 m depth by paying out 300 m of wire at 50 m/minute (35 m of depth/minute). After fishing at depth for 30 seconds, the net was retrieved at 20 mlminute (14 m of depth/minute). The angle of stray was recorded every 30 seconds and maintained at 45 O (f 3 ") by adjusting ship speed and course. After reaching the surface, the nets were washed down and the samples preserved in 5% formalin buffered with sodium borate. At the beginning and end of each tow, readings were made from a flow meter suspended in the mouth of the starboard net. Detailed descriptions of gear and methods are given by Kramer et al. (1972) and Smith and Richardson (1977); Ohman and Smith (1995) provided summaries of historical CalCOFI zooplankton methods and calibration factors for the various gear types.
LABORATORY PROCEDURES
We determined a zooplankton displacement volume for each sample (methods described in Staff, SPFI 1953 and Kramer et al. 1972). Samples containing > 25 ml of plankton were fractioned to - 50% of their original volume. Aliquot percentages for fractioned samples are listed in Table 1 under the "Percent Sorted" column. Sorting involved the removal of ichthyoplankton from the samples and identification and separation of: eggs and larvae of Pacific sardine, northern anchovy, and Pacific saury and larvae of Pacific hake. Body lengths of sardine, anchovy, and hake larvae were measured to the nearest 0.5 mm.
A standard haul factor (SHF) was calculated for each tow to make them comparable and to allow estimation of areal abundance. The SHF is calculated by the formula:
SHF = V
where D = depth of haul = cosine of the average angle of stray of the towing cable multiplied by cable length (m)
V = total volume of water (m3)strained during the haul
3 where R = total number of revolutions of the current meter during the haul
a = area (m') of the mouth of the net
p = length of the column of water needed produce one revolution of the current meter
Tow depth, volume of water strained, and standard haul factor are listed in Table 1 for each tow taken during 1992. Detailed descriptions of factors involved in calculating these values are presented in Ahlstrom (1948), Kramer et al. (1972), and Smith and Richardson (1977).
IDENTIFICATION
Identification of ichthyoplankton species beyond those separated during the sorting process was done by a separate group of specialists. Early ontogenetic stages of fishes are inherently difficult to identify and this is further complicated by the large number and diversity of species which contribute to the ichthyoplankton of the California Current region. Most identifications were accomplished by establishing ontogenetic series on the basis of morphology, meristics, and pigmentation, and then linking these series through overlapping features to known metamorphic, juvenile, or adult stages (Powles and Markle 1984). Our ability to identify larvae in the California Current region improved greatly during 1988-1995 as a result of an intensive research project aimed at producing a taxonomic monograph on the ontogenetic stages of fishes of this region (Moser 1996). Except for damaged specimens, most larvae in the I992 surveys could be identified to species. A total of 146 larval fish categories (including unidentified and disintegrated) was identified for 1992: 120 to species, 17 to genus, 6 to family, and 1 to order. Identifications were done in the Ichthyoplankton Ecology Laboratory of the Coastal Fisheries Resources Division by William Isham and Ernest0 Calix of MEC Analytical Systems, working closely with larval fish identification experts in the laboratory who checked each sample.
With few exceptions, taxonomic categories above species represent small specimens which were damaged and partly disintegrated during capture. The following taxonomic categories in Tables 2- 4 require special explanation:
Cyclothone spp. - Small or damaged larvae, mostly C. acclinidens and/or C. pseudopallida lacking diagnostic characters.
Cyclothone acclinidens, C. pseudopallida - Larger larvae (primarily postflexion stage) having diagnostic pigmentation characters.
Diaphus spp. - Diaphus theta is the dominant Diaphus species in the survey area and most, if not all, of the larvae from the Southern California Bight region are this species; the generic category is used because a small proportion of the Diaphus larvae captured at the outer margin of the survey pattern may represent other species whose larvae are identical to those of D.theta.
Disintegrated fish larvae - larvae that could not be identified because of their poor condition; separated from the "unidentified" category to monitor the general condition of the ichthyoplankton samples through the time series.
Howella spp. - larvae represent a single species, either H. brodiei or H. sherborni; taxonomy of the adult is unresolved.
Larnpanyctus spp. - primarily small (< 5.0 mm) larvae of L. ritteri and L. regalis; Zahuranec (In
4 Press) has placed 17 species of Lampanyctus with small or absent pectoral fins in the genus Nannobrachium; four of these species occur in the current CalCOFI survey area (L. regalis, L. ritteri, and two undescribed species designated here by the descriptive names Lampanyctus "no pectorals" and Lampanyctus "niger").
Lepidopsetta bilineata - see comment for Pleuronectidae.
Lyopsetta exilis - see comment for Pleuronectidae.
Microstoma spp. - larvae of a distinct but undescribed microstomatid species.
Paralepididae - small or damaged larvae, probably Lestidiops ringens lacking diagnostic characters.
Parophrys vetulus - see comment for Pleuronectidae.
Pleuronectidae - Sakamoto (1 984) changed pleuronectid generic designations for species in the CalCOFI area as follows: 1) Glyptocephalus zachirus was changed to Errex zachirus; 2) Isopsetta isolepis, Lepidopsetta bilineata, and Parophrys vetulus were transferred into Pleuronectes and 3) Lyopsetta exilis was changed to Eopsetta exilis;although these changes were incorporated in the lists of Robins et al. (1991) and Eschmeyer (1998) we follow Nelson (1994) in retaining the older nomenclature because Sakamoto's (1984) changes were based on a phenetic study; also, the older names are used in the major identification guides to fishes of our region (Miller and Lea 1972, Eschmeyer et al. 1983, Matarese et al. 1989, and Moser 1996).
Unidentified fish larvae - larvae that were generally in good condition but could not be identified because of their small size or early stage of development.
Vinciguerria lucetia - V. lucetia, an eastern tropical Pacific species, is common in the present CalCOFI region whereas the central water mass species V.poweriae is encountered rarely, usually ' only at the most seaward CalCOFI stations; a small percentage of V.poweriae larvae may have been included in the Y lucetia category because of the difficulty in separating early larvae which often are virtually identical.
SPECIES SUMMARY
Of the five most abundant larvae in 1992, the Pacific hake (Merlucciusproductus) ranked first in abundance with 33.4% of the total larvae but ranked only 15" in occurrence with 19% positive stations (Tables 2 and 3). The Panama lightfish (Vinciguerria lucetia) ranked second in abundance with 17.5% of the total larvae and was fifth in occurrence (33% of the samples). The northern anchovy (Engraulis mordax) ranked third with 14.6% of the larvae and ranked forth in occurrence (35% of the stations). The rockfish genus Sebastes was the fourth most abundant taxon with 5.6% of the total larvae and ranked eighth in frequency of occurrence (29% of the samples). The northern lampfish (Stenobrachius leucopsarus) ranked fifth in abundance (4.2% of total larvae) and third in occurrence (37% of the samples). The next five most abundant taxa were the California smoothtongue Leuroglossus stilbius (2.0% of the total larvae), the shortbelly rockfish Sebastes jordani (1.5%), the showy bristlemouth Cyclothone signata (1.5%), the Pacific sardine Sardinops sagax (1.4%), and the popeye blacksmelt Bathylagus ochotensis (1.2%). These species ranked 13'h, 21", 6", 18*, and 7" in frequency of occurrence, respectively. The 10 most abundant taxa comprised 83% of all the larvae collected on CalCOFI cruises in 1992. The remaining 17% was distributed among 136 other taxa (including the "disintegrated" and "unidentified" categories). Of the ten most abundant taxa, three are coastal demersal taxa, five are midwater species, and two are coastal pelagic species.
5 EXPLANATION OF TABLES
Table 1. This table lists for each tow the pertinent station and tow data, the volume of water filtered, the standard haul factor, the plankton volume, the percentage of sample sorted, and the total number of fish eggs and larvae. CalCOFI cruises are designated by four digits; the first two indicate the year and the second two the month. Within each cruise the data are listed in order of increasing line and station number (southerly and seaward directions); the order of station occupancy is shown on the station charts (Figures 1 and 2). Stations are designated by two groups of numbers; the first set indicates the line and decimal fraction and the second set indicates the station and decimal fraction. Time is listed as Pacific Standard Time at the start of each tow in 24-hour designation. Plankton displacement volumes were determined after removal of large organisms (those with individual displacement volumes > 5 ml) and expressed as ml per 1000 m’ of water filtered. The values for total fish eggs and larvae are raw counts (unadjusted for percent of sample sorted or standard haul factor). Ship codes are as follows: JD, David Starr Jordan; NH, New Horizon. The listings for station latitude and longitude in this table may differ from values given for the same station in the SI0 data reports, reflecting the slight difference in position of the net tow and hydrocast. Dates given here and in Figures land 2 for the beginning and end of each cruise are based on Pacific Standard time at the first and last net tow station of the cruise and do not include transit time from port to the first station and to port after the last station. Thus, our cruise dates may differ slightly from those in SI0 reports which are based on GMT prior to 1990 and include transit time to the first station and from the last station.
Table 2. Pooled occurrences of all larval fish taxa taken on CalCOFI survey cruises in 1992 listed in rank order.
Table 3. Pooled counts of all larval fish taxa taken on CalCOFI survey cruises in 1992 listed in rank order. Numbers are adjusted for percent sorted and standard haul factors.
Table 4. Numbers of fish larvae for each taxon, listed by station and calendar month of the tow. Counts are adjusted for percentage of sample sorted and standard haul factor. The orders are listed in phylogenetic sequence (Eschmeyer 1998).
ACKNOWLEDGMENTS
The following NMFS personnel were responsible for making the collections at sea: Dimitry Abramenkoff (all cruises), Ronald Dotson (9202, 9204, 9207), David Griffith (9202, 9207, 9210), Susan Manion (9202,9204,921 0), Cindy Meyer (9204). The samples were sorted by Lucy Dunn, Frances Pocinich, and Jean Haddox. William Isham and Ernest0 Calix identified the samples in conjunction with the senior author and other personnel of the ichthyoplankton group (David Ambrose, Sharon Charter, Elaine Sandknop). Amy Hays and Susan Manion entered the data and Susan Jacobson provided programming assistance. The cooperation and assistance provided by the crews of the CalCOFI research vessels were instrumental in making the collections and observations at sea.
6 LITERATURE CITED
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Stevens, E. G., R. L. Charter, H. G. Moser, and M. S. Busby. 1987a. Ichthyoplankton and station data for California Cooperative Oceanic Fisheries Investigations survey cruises in 1953. U.S. Dep. Commer., NOAA Tech, Memo., NOAA-TM-NMFS-SWFC-81. 186 pp.
Stevens, E. G., R. L. Charter, H. G. Moser, and M. S. Busby. 1987b. Ichthyoplankton and station data for California Cooperative Oceanic Fisheries Investigations survey cruises in 1956. U.S. Dep. Commer., NOAA Tech. Memo., NOAA-TM-NMFS-SWFC-84. 189 pp.
Stevens, E. G., R. L. Charter, H. G. Moser, and M. S. Busby. 1987c. Ichthyoplankton and station data for California Cooperative Oceanic Fisheries Investigations survey cruises in 1959. US. Dep. Commer., NOAA Tech. Memo., NOAA-TM-NMFS-SWFC-87.273pp.
9 Stevens, E. G., R. L. Charter, H. G. Moser, and L. R. Zins. 1988a. Ichthyoplankton and station data for CaliforniaCooperative Oceanic Fisheries Investigations survey cruises in 1965.U.S. Dep. Commer., NOAA Tech. Memo., NOAA-TM-NMFS-SWFC-96.220pp.
Stevens, E. G., R. L. Charter, H. G. Moser, and L. R. Zins. 1988b. Ichthyoplankton and station data for California Cooperative Oceanic Fisheries Investigations survey cruises in 1969. U.S. Dep. Commer., NOAA Tech. Memo., NOAA-TM-NMFS-SWFC-100.265pp.
Stevens, E. G., R. L. Charter, H. G. Moser, and C. A. Meyer. 1990. Ichthyoplankton and station data for California Cooperative Oceanic Fisheries Investigations survey cruises in 1984. U. S. Dep. Commer., NOAA Tech. Memo., NOAA-TM-NMFS-SWFC-141. 157 pp.
Sumida, B. Y., R. L. Charter, H. G. Moser, and D. L. Snow. 1987a. Ichthyoplankton and station data for CaliforniaCooperative Oceanic Fisheries Investigations survey cruises in 1954. U.S.Dep. Commer., NOAA Tech. Memo., NOAA-TM-NMFS-SWFC-82.207pp.
Sumida, B. Y., R. L. Charter, H. G. Moser, and D. L. Snow. 1987b. Ichthyoplankton and station data for California Cooperative Oceanic Fisheries Investigations survey cruises in 1957. U.S. Dep. Commer., NOAA Tech. Memo., NOAA-TM-NMFS-SWFC-85.225pp.
Sumida, B. Y., R. L. Charter, H. G. Moser, and D. L. Snow. 1988a. Ichthyoplankton and station data for California Cooperative Oceanic Fisheries Investigations survey cruises in 1962. U.S.Dep. Commer., NOAA Tech. Memo, NOAA-TM-NMFS-SWFC-93. 179 pp.
Sumida, B. Y., R. L. Charter, H. G. Moser, and D. L. Snow. 1988b. Ichthyoplankton and station data for California Cooperative Oceanic Fisheries Investigations survey cruises in 1966.U.S. Dep. Commer., NOAA Tech. Memo., NOAA-TM-NMFS-SWFC-97.287pp.
Sumida, B. Y., R. L. Charter, H. G. Moser, and D. L. Snow. 1988c. Ichthyoplankton and station data for CaliforniaCooperative Oceanic Fisheries Investigations survey cruises in 1972. U.S. Dep. Commer., NOAA Tech. Memo., NOAA-TM-NMFS-SWFC-109.219pp.
University of California, Scripps Institution of Oceanography. 1992. Data Report. Physical, chemical and biological data. CalCOFI Cruise 9202,22 January-13 February 1992 and CalCOFI Cruise 9204, 13-30 April 1992. SI0 Ref. 92-20.96 pp.
University of California, Scripps Institution of Oceanography. 1993. Data Report. Physical, chemical and biological data. CalCOFI Cruise 9207,2-6 July 1992 and CalCOFI Cruise 92 10,26 September-1 1 October 1992. SI0 Ref. 93-13.95 pp.
Watson, W., R. L. Charter, and H. G. Moser. 1999. Ichthyoplankton and station data for California Cooperative Oceanic Fisheries Investigations survey cruises in 1988. U. S. Dep. Commer., NOAA Tech. Memo., NOAA-TM-NMFS-SWFC-269. 88 pp.
Zahuranec, B. J. In Press. Zoogeography and systematics of the lanternfishes of the genus Nannobrachium (Lampanyctini: Myctophidae). Smithson. Contrib. Zool. 607.
10 36
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Figure 1. Stations and cruise tracks for CalCOFI cruises 9202 (above) and 9204 (below). Circles indicate hydrographic stations; dots indicate net tow stations.
11 36"
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20 21 TABLE 2. Pooled occurrences of fish larvae taken on CalCOFI cruises in 1992. Occurrences Rank Taxon 105 1 Protomyctophum crockeri 102 2 Lampanyctus Spp. 95 3 Stenobrachius leucopsarus 91 4 Engraulis mordax 84 5 Vinciguerria lucetia 80 6 Cyclothone signata 76 7 Bathylagus ochotensis 74 8 Sebastes spp. 71 9 Triphoturus mexicanus 70 10 Lampanyctus ritteri 69 11 Diogenichthys atlanticus 67 12 Sym b olophorus californ iensis 58 13 Leuroglossus stilbius 58 13 Bathylagus wesethi 50 15 Merluccius productus 16 Ceratoscopelus townsendi 48 17 Citharichthys sordidus 43 18 Sardinops sagax 40 18 Trachurus symmetricus 40 20 Citharichthys stigmaeus 38 21 Sebastes jordani 34 22 Idiacanthus antrostomus 31 23 Tarletonbeania crenularis 30 24 Danaphos oculatus 28 25 Chauliodus macouni 25 25 Melamphaes lugubris 25 27 Lestidiops ringens 23 27 Diaphus spp. 23 29 Myctophidae 22 30 Sternoptyx spp. 21 31 Argyropelecus sladeni 20 31 Lampanyctus regalis 20 33 Coryphopterus nicholsii 19 33 Argyropelecus aflnis 19 35 Vinciguerriapoweriae 18 36 Tetragonurus cuvieri 17 36 Sebastes pauc ispinis 17 36 Bathylagus pacificus 17 36 Argentina sialis 17 40 Sebastes .diploproa 13 41 Scopelogadus bispinosus 12 41 Scomber japonicus 12 43 Cyclothone acclinidens 11 43 Electrona risso 11 43 Oxyjulis californica 11 46 Melamphaes spp. 10 46 Sphyraena argentea 10 46 Hygophum reinhardtii 10 49 Lyopsetta exilis 9 49 Aristostomias scintillans 9 22 TABLE 2. (cont.) Rank Taxon Occurrences 49 Disintegrated fish larvae 9 52 Genyonemus lineatus 8 52 Unidentified fish larvae 8 52 Notolychnus valdiviae 8 52 Notoscopelus resplendens 8 52 Trachipterus altivelis 8 52 Icichthys lockingtoni 8 52 Paralichthys californicus 8 59 Chiasmodon niger 7 59 Chromis punctipinnis 7 59 Cyclothone spp. 7 59 Melamphaes parvus 7 59 Microstoma spp. 7 59 Sebastes aurora 7 65 Pleuronichthys verticalis 6 65 Myctophum nitidulum 6 65 Scopelarchus analis 6 65 Scopelosaurus harryi 6 65 Cyclothone pseudopallida 6 65 Rosenblattichthys volucris 6 71 Seriphus politus 5 71 Hypsoblennius jenkinsi 5 71 Stomias atriventer 5 71 Arctozenus risso 5 71 Lampadena urophaos 5 76 Bathylagus milleri 4 76 Artedius creaseri 4 76 Lepidogob ius lepidus 4 76 Argyropelecus hemigymnus 4 76 Argyropelecus spp. 4 76 Sebastes goodei 4 76 Cololabis saira 4 76 Stomiiformes 4 84 Lampanyctus "niger" 3 84 Lampanyctus "no pectorals" 3 84 Oneirodes spp. 3 84 Icelinus quadriseriatus 3 84 Citharic hthys spp. 3 84 Paralabra spp. 3 84 Gigantactis spp. 3 84 Lythrypnus zebra 3 84 Scopeloberyx robustus 3 84 Poromitra crassiceps 3 94 Benthalbella dentata 2 94 Xeneretmus latijirons 2 94 Brama japonica 2 94 Parophrys vetulus 2 94 Microstomus pacipcus 2 94 Cryptotrema corallinum 2 94 Etrumeus teres 2 94 Argyropelecus lychnus 2
23 TABLE 2. (cont.) Occurrences Rank Taxon 2 94 Ichthyococcus irregularis 2 94 Zaniolepis latipinnis 2 94 Pawilux ingens 2 94 Peprilus simillimus 2 94 Bathophilus flemingi 2 94 Loweina rara 2 94 Melamphaes simus 2 94 Chilara taylori 2 94 Nansenia candida 2 94 Cataetyx rubrirostris 2 94 Cottidae 1 113 Sternoptychidae 1 113 Bathylagidae 1 113 Typhlogobius californiensis 1 113 Atherinopsis californiensis 1 113 Hypsypops rubicundus 1 113 Rathbunella SQQ. 1 113 Stichaeidae 1 113 Hypsoblennius SQQ. 1 113 Howella SQQ. 1 113 Lythrypnus dalli 1 113 Odontopyxis trispinosa 1 113 Diplospinus multistriatus 1 113 Psenes pellucidus 1 113 Citharichthys xanthostigma 1 113 Hippoglossina stomata 1 113 Lepidopsetta bilineata 1 113 Symphurus atricaudus 1 113 Hypsoblennius gilberti 1 113 Oxylebius pictus 1 113 Paralepididae 1 113 Ophidion scrippsae 1 113 Brosmophycis marginata 1 113 Cyema atrum 1 113 Leuresthes tenuis 1 113 Girella nigricans 1 113 Scorpaena guttata 113 Tactostoma macropus 1 113 Artedius fenestralis 1 113 Artedius lateralis 1 113 Icelinus SQQ. 1 113 Oligocottus SQP. 1 113 Orthonopias triacis 1 113 Scorpaenichthys marmoratus 1 113 Sebastes levis 1 Total 2205
24 TABLE 3. Pooled counts of fish larvae taken on CalCOFI cruises in 1992. Counts are adjusted for percent of sample sorted and standard haul factor (see text).
Rank Taxon Count 1 Merluccius productus 31763 2 Vinciguerria lucetia 16670 3 Engraulis mordax 13913 4 Sebastes spp. 5363 5 Stenobrachius leucopsarus 4042 6 Leuroglossus stilbius 1932 7 Sebastes jordani 1470 8 Cyclothone signata 1467 9 Sardinops saga 1341 10 Bathylagus ochotensis 1135 11 Symbolophorus californiensis 1083 12 Trachurus symmetricus 1017 13 Triphoturus mexicanus 995 14 Lampanyctus spp. 977 15 Bathylagus wesethi 973 16 Protomyctophum crockeri 925 17 Diogenichthys atlanticus 852 18 Lampanyctus ritteri 742 19 Ceratoscopelus townsendi 706 20 Genyonemus lineatus 49 1 21 Idiacanthus antrostomus 3 80 21 Citharichthys sordidus 380 23 Citharichthys stigmaeus 355 23 Argentina sialis 355 25 Scomber japonicus 306 26 Tarletonbeania crenularis 282 27 Vinciguerriapoweriae 196 28 Chauliodus macouni 194 29 Danaphos oculatus 190 30 Sebastes diploproa 187 31 Melamphaes lugubris 185 32 Lestidiops ringens 178 33 Sebastes paucispinis 173 34 Diaphus spp. 166 35 Lampanyctus regalis 154 36 Covphopterus nicholsii 150 37 Myctophidae 139 38 Sphyraena argentea 127 39 Argyropelecus sladeni 119 40 Tetragonurus cuvieri 114 41 Sternoptyx spp. 113 42 Bathylagus pacrficus 105 43 Argyropelecus afJ?nis 98 43 Oxyjulis californica 98 45 Seriphus politus 94 46 Scopelogadus bispinosus 89 47 Lyopsetta exilis 78 47 Icichthys lockingtoni 78
25 TABLE 3. (cont.) Count Rank Taxon 78 47 Paralichthys californicus 76 50 Notolychnus valdiviae 69 51 Sebastes aurora 69 51 Melamphaes spp. 67 53 Hygophum reinhardtii 65 54 Electrona risso 64 55 Chromis punctipinnis 64 55 Cyclothone acclinidens 61 57 Hypsoblennius spp. 60 58 Hypsoblennius jenkinsi 54 59 Cyclothone spp. 50 60 Trachipterus altivelis 49 61 Aristostomias scintilluns 48 62 Melamphaes parvus 48 62 Disintegrated fish larvae 48 62 Notoscopelus resplendens 44 65 Stomius atriventer 43 66 Lepidogobius Iepidus 42 67 Paralabrax spp. 39 68 Chiasmodon niger 37 69 Unidentified fish larvae 36 70 Pleuronichthys verticulis 35 71 Microstoma spp. 34 72 Cyclothone pseudopallida 34 72 Cololabis saira 30 74 Scopelosaurus harryi 30 74 Artedius creaseri 30 74 Myctophum nitidulum 29 77 Rosenblattichthys volucris 29 77 Scopelarchus analis 28 79 Lampanyctus "niger" 26 80 Sebastes goodei 26 80 Icelinus quadriseriatus 25 82 Lythrypnus zebra 25 82 Peprilus simillimus 82 Stomiiformes 25 82 Lampadena urophaos 25 86 Arctozenus risso 24 86 Argyropelecus spp. 24 86 Argyropelecus hemigymnus 24 89 Citharichthys spp. 19 89 Scopeloberyx robustus 19 91 Bathylagus milleri 17 92 Microstomus pacrjicus 16 93 Argyropelecus lychnus 15 93 Lampanyctus thopectorals" 15 93 Parvilux ingens 15 93 Melamphaes simus 15 93 Poromitra crassiceps 15 93 Oneirodes spp. 15 93 Lepidopsetta bilineata 15 26 TABLE 3. (cont.) Rank Taxon count 93 Parophrys vetulus 15 101 Gigantactis spp. 14 102 Girella nigricans 12 103 Artedius fenestralis 11 104 Zaniolepis latipinnis 10 104 Scorpaena guttata 10 104 Benthalbella dentata 10 104 Chilara taylori 10 104 Ichthyococcus irregularis 10 104 Hippoglossina stomata 10 104 Oligocottus spp. 10 104 Loweina rara 10 104 Leuresthes tenuis 10 104 Cottidae 10 104 Brama japonica 10 115 Rathbunella spp. 9 115 Etrumeus teres 9 115 Symphurus atricaudus 9 115 Nansenia candida 9 115 Typhlogobius californiensis 9 115 Cryptotrema corallinum 9 115 Bathophilus flemingi 9 115 Tactostoma macropus 9 115 Cataetyx rubrirostris 9 124 Xeneretmus latz$ons 8 125 Bathy lagidae 6 126 Citharichthys xanthostigma 5 126 Ophidion scrippsae 5 126 Cyema atrum 5 126 Oxylebius pictus 5 126 Orthonopias triacis 5 126 Artedius lateralis 5 126 Odontopyxis trispinosa 5 126 Psenes pellucidus 5 126 Paralepididae 5 126 Atherinopsis californiensis 5 126 Howella spp. 5 126 Diplospinus multistriatus 5 126 Scorpaenichthys marmoratus 5 126 Stichaeidae 5 126 Sternoptychidae 5 126 Brosmophycis marginata 5 142 Hypsoblennius gilberti 4 142 Sebastes levis 4 142 Hypsypops rubicundus 4 142 Icelinus spp. 4 142 Lythrypnus dalli 4 Total 95187
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Illomoooo I I I I t I I 1 I I I 1 I I I I 82 83 t',00000000 "00 t',00 r;o gg 0000*sss,, gg 000000000 600 000 00 84 09 ,,xooooo 8 d rrr~00000 t -m d, I I i d ,,,,,,,I d,llllll z S' z z 85 PHYLOGENETIC INDEX TO TABLE 4 Saccopharyngiformes Malacosteinae Cyematidae Aristostomias scintillans ...... 44 Cyema atrum ...... 28 Idiacanthinae Clupeiformes Idiacanthus antrostomus ...... 45 Clupeidae Aulopiformes Etrumeus teres ...... 28 Scopelarchidae Sardinops sagax ...... 28 Benthalbella dentata ...... 45 Engraulidae Rosenblattichthys volucris ...... 46 Engraulis mordax ...... 29 Scopelarchus analis ...... 46 Osmeriformes Notosudidae Argentinidae Scopelosaurus harryi ...... 46 Argentina sialis ...... 30 Paralepididae ...... 46 Microstomatidae Arctozenus risso ...... 46 Microstoma spp ...... 3 1 Lestidiops ringens ...... 47 Nansenia candida ...... 3 1 Myctophi formes Bathylagidae ...... 3 1 Myctophidae ...... 47 Bathylagus milleri ...... 3 1 Lampanyctinae Bathylagus ochotensis ...... 3 1 Ceratoscopelus townsendi ...... 48 Bathylagus paciJicus ...... 33 Diaphus spp ...... 49 Bathylagus wesethi ...... 33 Lampadena urophaos ...... 50 Leuroglossus stilbius ...... 35 Lampanyetus spp ...... 50 Stomiiformes ...... 36 Lampanyctus "niger" ...... 52 Gonostomatidae Lampanyctus "no pectorals" ...... 52 Cyclothone spp ...... 36 Lampanyctus regalis ...... 52 Cyclothone acclinidens ...... 36 Lampanyctus ritteri ...... 53 Cyclothone pseudopallida ...... 37 Notolychnus valdiviae ...... 54 Cyclothone signata ...... 3 7 Notoscopelus resplendens ...... 54 Sternoptychidae ...... 3 8 Parvilux ingens ...... 55 Argyropelecus spp ...... 3 8 Stenobrachius Ieucopsarus ...... 55 Argyropelecus affinis ...... 3 8 Triphoturus mexicanus ...... 57 Argyropelecus hemigymnus ...... 39 Mycto phinae Argyropelecus lychnus ...... 39 Diogenichthys atlanticus ...... 58 Argyropelecus sladeni ...... 39 Electrona risso ...... 60 Danaphos oculatus ...... 40 Hygophum reinhardtii ...... 60 Sternoptyx spp ...... 41 Loweina rara ...... 60 Phosichthyidae Myctophum nitidulum ...... 60 Ichthyococcus irregularis ...... 4 1 Protomyctophum crockeri ...... 61 Vinciguerria lucetia ...... 4 1 Symbolophorus californiensis ...... 62 Vinciguerria poweriae ...... 43 Tarletonbeania crenularis ...... 64 Stomiidae Lampridi formes Chauliodontinae Trachipteridae Chauliodus macouni ...... 43 Trachipterus altivelis ...... 65 Stomiinae Gadiformes Stomias atriventer ...... 44 Merlucciidae Melanostomiinae Merluccius productus ...... 65 Bathophilus jlemingi ...... 44 Ophidiiformes Tactostoma macropus ...... 44 Ophidiidae 86 Chilara taylori ...... 66 Agonidae Ophidion scrippsae . . , ...... 66 Odontopyxis trispinosa ...... 74 Bythitidae Xeneretmus latifrons ...... 74 Brosmophycis marginata ...... 66 Perciformes Cataetyx rubrirostris ...... 66 Percoidei Lophiiformes Serranidae Oneirodidae Paralabrm spp...... 75 Oneirodes spp...... 61 Howellidae Gigantactinidae Howella spp. . . , . . . . , ...... , . . . 75 Gigantactis spp...... 67 Carangidae Atheriniformes Trachurus symmetricus ...... 15 Atherinidae Bramidae Atherinopsis californiensis ...... 67 Brama japonica ...... , . . 76 Leuresthes tenuis ...... 67 Sciaenidae Beloniformes Genyonemus lineatus ...... 76 Scornberesocidae Seriphus politus ...... , ...... 76 Cololabis saira ...... , ...... 67 Kyphosidae Stephanoberyciformes Girella nigricans ...... , ...... 77 Melamphaidae Labroidei Melamphues spp...... 61 Pomacentridae Melamphaes Iugubris ...... 68 Chromis punctipinnis ...... 77 Melamphues parvus ...... 68 Hypsypops rubicundus ...... 71 Melumphaes simus ...... 68 Labridae Poromitra crussiceps ...... 69 Oxyjulis californica ...... 71 Scopeloberyx robustus ...... , . . 69 Zoarcoidei Scopelogadus bispinosus . . . , ...... 69 Bathymasteridae Scorpaeniformes Rathbunella spp...... 77 Sebastidae Stichaeidae ...... 78 Sebastes spp. . , ...... , ...... 69 Trachinoidei Sebastes aurora ...... , . . . . . 7 1 Chiasmodontidae . . . Sebastes diploproa , ...... , ...... 7 1 Chiasmodon niger ...... 78 Sebastes goodei ...... , ...... 7 1 Blennioidei Sebastes jordani ...... 72 Labr isom idae . , , Sebastes levis...... , . 73 Cryptotrema corallinum...... 78 Sebastes paucispinis ...... , ...... 73 Blenniidae Scorpaena guttata ...... 73 Hypsoblennius spp...... 78 Hexagrammidae Hypsoblennius gilberti ...... 78 Oxylebius pictus ...... , ...... 73 Hypsoblennius jenkinsi ...... 78 Zaniolepididae Gobioidei Zaniolepis latipinnis ...... , . . . . . 73 Gobiidae Cottidae ...... 73 Coryphopterus nicholsii ...... 78 Artedius creaseri ...... 74 Lepidogobius lepidus ...... 79 Lythrypnus dalli . . . Artedius fenestralis ...... , . . . . 74 ...... 79 Artedius lateralis ...... 74 Lythrypnus zebra ...... 79 Icelinus spp...... , . , ...... 74 Typhlogobius californiensis ...... 79 Icelinus quadriseriatus ...... 74 Sphyraenoidei Oligocottus spp...... 74 Sphyraenidae Orthonopias triacis ...... 74 Sphyraena argentea . . . . , , , ...... 79 Scorpaenichthys marmoratus ...... 74 Scombroidei 87 Gempylidae Citharichthys sordidus ...... 8 1 Diplospinus multistriatus ...... 80 Citharichthys stigmaeus ...... 83 Scombridae Citharichthys xanthostigma ...... 83 Scomber japonicus ...... 80 Hippoglossina stomata ...... 84 Stromateoidei Paralichthys californicus ...... 84 Centrolophidae Pleuronectidae Icichthys lockingtoni ...... 80 Lepidopsetta bilineata ...... 84 Nomeidae Lyopsetta exilis ...... 84 Psenes pellucidus ...... 8 1 Microstomus pacijicus ...... 84 Tetragonuridae Parophrys vetulus ...... 84 Tetragonurus cuvieri ...... 8 1 Pleuronichthys verticalis ...... 84 Stromateidae Cynoglossidae Peprilus simillimus ...... 8 1 Symphurus atricaudus ...... 85 Pleuronecti formes Disintegrated fish larvae ...... 85 Paralichthyidae Unidentified fish larvae ...... 85 Citharichthys spp...... 8 1 88 ALPHABETICAL INDEX TO TABLE 4 Arctozenus risso ...... 46 Etrumeus teres ...... 28 Argentina sialis ...... 30 Genyonemus lineatus ...... 76 Argyropelecus affinis ...... 3 8 Gigantactis spp ...... 67 Argyropelecus hemigymnus ...... 39 Girella nigricans ...... 77 Argyropelecus lychnus ...... 39 Hippoglossina stomata ...... 84 .Argyropelecus sladeni ...... 39 Howella spp ...... 75 Argyropelecus spp...... 38 Hygophum reinhardtii ...... 60 Aristostomias scintillans ...... 44 Hypsoblennius gilberti ...... 78 Artedius creaseri ...... 74 Hypsoblennius jenkinsi ...... 78 Artedius fenestralis ...... 74 Hypsoblennius spp...... 78 Artedius lateralis ...... 74 Hypsypops rubicundus ...... 77 Atherinopsis californiensis ...... 67 Icelinus quadriseriatus ...... 74 BathophilusJlemingi ...... 44 Icelinus spp ...... 74 Bathylagidae ...... 3 1 Ichthyococcus irregularis ...... 41 Bathylagus milleri ...... 3 1 Icichthys lockingtoni ...... 80 Bathylagus ochotensis ...... 3 1 Idiacanthus antrostomus ...... 45 Bathylagus paciJicus ...... 33 Lampadena urophaos ...... 50 Bathylagus wesethi ...... 33 Lampanyctus "niger" ...... 52 Benthalbella dentata ...... 45 Lampanyctus "no pectorals" ...... 52 Brama japonica ...... 76 Lampanyctus regalis ...... 52 Brosmophycis marginata ...... 66 Lampanyctus ritteri ...... 53 Cataetyx rubrirostris ...... 66 Lampanyctus spp ...... 50 Ceratoscopelus townsendi ...... 48 Lepidogobius lepidus ...... 79 Chauliodus macouni ...... 43 Lepidopsetta bilineata ...... 84 Chiasmodon niger ...... 78 Lestidiops ringens ...... 47 Chilara taylori ...... 66 Leuresthes tenuis ...... 67 Chromis punctipinnis ...... 77 Leuroglossus stilbius ...... 35 Citharichthys sordidus ...... 8 1 Loweina rara ...... 60 Citharichthys spp ...... 8 1 Lyopsetta exilis ...... 84 Citharichthys stigmaeus ...... 83 Lythrypnus dalli ...... 79 Citharichthys xanthostigma ...... 83 Lythrypnus zebra ...... 79 Cololabis saira ...... 67 Melamphaes lugubris ...... 68 Coryphopterus nicholsii ...... 78 Melamphaes parvus ...... 68 Cottidae ...... 73 Melamphaes simus ...... 68 Cryptotrema corallinum ...... 78 Melamphaes spp...... 67 Cyclothone acclinidens ...... 36 Merluccius productus ...... 65 Cyclothone pseudopallida ...... 37 Microstoma spp ...... 31 Cyclothone signata ...... 37 Microstomus paciJicus ...... 84 Cyclothone spp ...... 36 Myctophidae ...... 47 Cyema atrum ...... 28 Myctophum nitidulum ...... 60 Danaphos oculatus ...... 40 Nansenia candida ...... 31 Diaphus spp ...... 49 Notolychnus valdiviae ...... 54 Diogenichthys atlanticus ...... 58 Notoscopelus resplendens ...... 54 Diplospinus multistriatus ...... 80 Odontopyxis trispinosa ...... 74 Disintegrated fish larvae ...... 85 Oligocottus spp ...... 74 Electrona risso ...... 60 Oneirodes spp ...... 61 Engraulis mordax ...... 29 Ophidion scrippsae ...... 66 89 Orthonopias triacis ...... 74 Sebastes jordani ...... 72 Oxyjulis californica ...... 77 Sebastes levis ...... 73 Oxylebius pictus ...... 73 Sebastes paucispinis ...... 73 Paralabrax spp...... 75 Sebastes spp...... 69 Paralepididae ...... 46 Seriphus politus ...... 76 Paralichthys californicus ...... 84 Sphyraena argentea ...... 79 Parophrys vetulus ...... 84 Stenobrachius leucopsarus ...... 55 Parvilux ingens ...... 55 Sternoptychidae...... 38 Peprilus simillimus ...... 8 1 Sternoptyx spp...... 41 Pleuronichthys verticalis ...... 84 Stichaeidae ...... 78 Poromitra crassiceps ...... 69 Stomias atriventer ...... 44 Protomyctophum crockeri ...... 6 1 Stom iiformes ...... 36 Psenes pellucidus ...... 8 1 Symbolophorus callforniensis ...... 62 Rathbunella spp...... 77 Symphurus atricaudus ...... 85 Rosenblattichthys volucris ...... 46 Tactostoma macropus ...... 44 Sardinopssagax ...... 28 Tarletonbeania crenularis ...... 64 Scomber japonicus ...... 80 Tetragonurus cuvieri ...... 81 Scopelarchus analis ...... 46 Trachipterus altivelis ...... 65 Scopeloberyx robustus ...... 69 Trachurus symmetricus ...... 75 Scopelogadus bispinosus ...... 69 Triphoturus mexicanus ...... 57 Scopelosaurus harryi ...... 46 Typhlogob ius californ iens is ...... 79 Scorpaena guttata ...... 73 Unidentified fish larvae ...... 85 Scorpaenichthys marmoratus ...... 74 Vinciguerria lucetia ...... 41 Sebastes aurora ...... 7 1 Vinciguerriapoweriae ...... 43 Sebastes diploproa ...... 7 1 Xeneretmus latij?ons ...... 74 Sebastes goodei ...... 7 1 Zaniolepis latipinnis ...... 73 90 RECENT TECHNICAL MEMORANDUMS Copies of this and other NOAA Technical Memorandums are available from the National Technical information Service, 5285 Port Royal Road, Springfield, VA 22167. Paper copies vary in price. Microfiche copies cost $9.00. Recent issues of NOAA Technical Memorandums from the NMFS Southwest Fisheries Science Center are listed below: NOAA-TM-NMFS-SWFSC-263 Proceedings of the Second International Pacific Swordfish Symposium. G.T. DiNARDO, (Compiler and Editor) (June 1999) 264 A report of the Oregon, California and Washington line-transect experiment (ORCAWALE) conducted in west coast waters during SummerlFall 1996. A. VON SAUNDER and J. BARLOW (August 1999) 265 The physical oceanography off the Central California coast during May-June, 1997: A summary of CTD data from pelagic juvenile rockfish surveys. K.M. SAKUMA, F.B. SCHWING, D. ROBERTS, C. MOORE, K. BALTZ, and S. RALSTON (September 1999) 266 lchthyoplankton and station data for California Cooperative Oceanic Fisheries Investigations survey cruises in 1985. D.A. AMBROSE, R.L. CHARTER, and H. G. MOSER (September 1999) 267 lchthyoplankton and station data for California Cooperative Oceanic Fisheries Investigations survey cruises in 1986. S.R. CHARTER, R.L. CHARTER, and H. G. MOSER (September 1999) 268 lchthyoplankton and station data for California Cooperative Oceanic Fisheries investigations survey cruises in 1987. E.M. SANDKNOP, R.L. CHARTER, and H. G. MOSER (September 1999) 269 lchthyoplankton and station data for California Cooperative Oceanic Fisheries Investigations survey cruises in 1988. W. WATSON, R.L. CHARTER, and H. G. MOSER (September 1999) 270 lchthyoplankton and station data for California Cooperative Oceanic Fisheries Investigations survey cruises in 1989. D.A. AMBROSE, R.L. CHARTER, and H. G. MOSER (September 1999) 271 lchthyoplankton and station data for California Cooperative Oceanic Fisheries Investigations survey cruises in 1990. S.R. CHARTER, R.L. CHARTER, and H. G. MOSER (September 1999) 272 lchthyoplankton and station data for California Cooperative Oceanic Fisheries Investigations survey cruises in 1991. E.M. SANDKNOP, R.L. CHARTER, and H. G. MOSER (September 1999)