NOMTechnical Memorandum NMFS
SEPTEMBER 1999
ICHTHYOPLANKTON AND STATION DATA FOR CALIFORNIA COOPERATIVE OCEANIC FISHERIES INVESTIGATIONS SURVEY CRUISES IN 1989
David A. Ambrose Richard L. Charter H. Geoffrey Moser
NOM-TM-NMFS-SWFSC-270
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. Documentswithin 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 communication of preliminary results, interim reports, or special purpose information. The TMs have not received complete formal review, editorial control, or detailed editing.
SEPTEMBER 1999
ICHTHYOPLANKTON AND STATION DATA FOR CALIFORNIA COOPERATIVE OCEANIC FISHERIES INVESTIGATIONS SURVEY CRUISES IN 1989
David A. Ambrose 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-NM FS-SWFSC-270
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 ...... 83
AlphabeticalIndexTable4 ...... 86
.. 11 LIST OF FIGURES Page
Figure 1. Stations and cruise tracks for CalCOFI cruises 8901 and 8904 ...... 11
Figure 2. Stations and cruise tracks for CalCOFI cruises 8907 and 891 1 ...... 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 1989 ...... , ...... 14
Table 2. Pooled occurrences of fish larvae taken on CalCOFI cruises in 1989 ...... 22
Table 3. Pooled counts of fish larvae taken on CalCOFI cruises in 1989 ...... 25
Table 4. Standardized counts of fish larvae taken on CalCOFI cruises in 1989, listed by taxon, station, and month ...... 28
... U1 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 1989. It is the 29" report in a series that presents these data for all biological-oceanographic CalCOFI surveys from 1951 to the present. A total of 257 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 147 larval fish categories identified from survey samples. This series of reports makes the CalCOFI ichthyoplankton and station data available to all investigators and serves as a guide to the computer data base.
INTRODUCTION
This report, the 29" 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 1989. This program was initiated in 1949, under the sponsorship ofthe Marine Research Committee of the State of California, to study the poputation fluctuations of the Pacific sardine (Suvdinops sagax) and the environmental factors that may play a role in these fluctuations. CalCOFI is a partnership among the Southwest Fisheries Science Center of the National 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 195 1 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 historical CalCOFI sampling effort).
Hydrographic and biological data from the 1989 CalCOFI survey have been published by the Scripps Institution of Oceanography (Univ. of Calif., SI0 1989, 1990). All available records for the 1989 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 ichthyoplankton 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: Survey Report Survey Report 1951 Ambrose et al. 1987a 1965 Stevens et al. 1988a 1952 Sandknop et al. 1987a 1966 Sumida et al. 1988b 1953 Stevens et al. 1987a 1967 Ambrose et al. 1988b 1954 Sumida et al. 1987a 1968 Sandknop et al. 1988c 1955 Ambrose et al. 1987b 1969 Stevens et al. 1988b 1956 Stevens et al. 1987b 1972 Sumida et al. 1988c 1957 Sumida et al. 1987b 1975 Ambrose et a!. 1988c 1958 Sandknop et al. 1987b 1978 Sandknop et al. 1988d 1959 Stevens et al. 1987c 1981 Ambrose et al. 1988d 1960 Ambrose et al. 1987c 1984 Stevens et al. 1990 1961 Sandknop et al. 1988a 1985 Ambrose et al. 1999 1962 Sumida et al. 1988a 1986 Charter et al. 1999 1963 Ambrose et al. 1988a 1987 Sandknop et al. 1999 1964 Sandknop et al. 198th 1988 Watson et al. 1999
SAMPLING AREA AND PATTERN
A total of 257 standard CalCOFI survey stations was occupied on four cruises in 1989, employing two research vessels:
890 1, RV David Starr Jordan, 63 stations, January 20-February 3;
8904, RV David Starr Jordan, 64 stations, April 16-30;
8907, RV New Horizon, 64 stations, July 1 8-August 1 ;
891 1, RV New Horizon, 66 stations, November 6-19.
The core survey area extended from Avila Beach to San Diego, California and seaward on six survey lines to approximately 120-330 n. mi. (Figures 1 and 2)'. The most seaward station, 90.0 120.0 was approximately 400 n. mi. west ofPuntaBaja, BajaCalifornia, Mexico. CalCOFI lines 76.7 and 80.0 extended seaward to station 90.0 on cruises 890 1 and 8904 and to station 100.0 on cruises 8907 and 89 1 1. Lines 83.3 and 86.7 extended to station 100.0 on cruise 8907 and to station 110.0 on all other cruises. On all cruises lines 90.0 and 93.3 extended to station 120.0 (Figures 1 and 2).
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 equidistant spacing between cardinal lines (those ending in "0"). Scripps Institution of Oceanography continues to use the original designation for ordinal lines (Figures 1 and 2 and see Univ. of Calif., SI0 1989, 1990).
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 1989 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 mlminute (35 m of deptwminute). After fishing at depth for 30 seconds, the net was retrieved at 20 m/minute (14 m of depth/minute). The angle of stray was recorded every 30 seconds and maintained at 45 O (k3 ") 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 (m') strained during the haul
V=R*a*p
where R = total number of revolutions of the current meter during the haul
a = area (m2) of the mouth of the net
p = length of the column of water needed produce one revolution of the current meter
3 Tow depth, volume of water strained, and standard haul factor are listed in Table 1 for each tow taken during 1989. Detailed descriptions of factors involved in calculating these values are presented in Ahlstrom (1 948), 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 1989 surveys could be identified to species. A total of 147 categories (including "unidentified" and "disintegrated") was identified for 1989: 114 to species, 20 to genus, 10 to family or subfamily, and 1 to order. Identifications were done in the Ichthyoplankton Ecology Laboratory of the Coastal Fisheries Resources Division by William Isham and Ernest0 Calix (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, almost entirely C. acclinidens and/or C. pseudopallida lacking diagnostic characters.
Cyclothone acclinidens, C. pseudopallida - larger larvae (primarily postflexion stage) having diagnostic 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 Diuphus 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.
Glyptocephalus zachirus - see comments for Pleuronectidae.
Howella spp. - larvae represent a single species, either H brodiei or H; sherborni; taxonomy of the adult is unresolved.
Lampanyctus spp. - primarily small (< 5.0 mm) larvae of L. ritteri and L. regalis; Zahuranec (In 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
4 pectorals" and Lampanyctus "niger").
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.
Purophrys vetulus - see comment for Pleuronectidae.
Pleuronectidae - Sakamoto (1 984) changed pleuronectid generic designations for species in the CalCOFI area as follows: 1) Glyptocephaluszachirus 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).
Sebastolobus spp. - larvae ofthis genus
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 J? poweriae is rarely encountered; a small percentage of V.poweriae larvae may have been included in the V. lucetia category because of the difficulty in separating early larvae of the two species.
SPECIES SUMMARY
Of the five most abundant larvae, the Pacific hake (Merlucciusproductus)ranked first in abundance and fifth in frequency of occurrence during 1989; they represented 30.4% of the total fish larvae and occurred in 32.3% of the total samples (Tables 2 and 3). The second most abundant species, the northern anchovy (Engraulis mordax) had 24.3% ofthe total larvae and ranked first in occurrence (47.5% ofthe total samples). The rockfish genus Sebastes was the third most abundant taxon with 8.8% of the total larvae and ranked third in frequency of occurrence (42.8% of the samples). The Pacific sardine Surdinops sagax ranked fourth in abundance (6.1% of total larvae) and 17'h in total occurrences (14.0% of the samples). The California smoothtongue (Leuroglossus stilbius) ranked fifth in abundance (4.8% oftotal larvae) and seventh in total occurrences (27.6% of the samples). The next five most abundant taxa were the myctophid Stenobrachius Ieucopsarus (3.4% of total larvae), the shortbelly rockfish Sebastesjordani (2.4%), the white croaker Genyonemus lineutus (2.1%), the speckled sanddab Citharichthys stigmaeus (1.3%), and the Panama lightfish Vinciguerria lucetia (1.3%). These species ranked 4f11,21", 34'h, 6'", and 16" in frequency of occurrence, respectively. The 10 most abundant taxa comprised 84.9% of all the larvae collected on CalCOFI cruises in 1989. The remaining 15.1% was distributed among 137 other taxa (including the "disintegrated" and "unidentified" categories). Of the ten most abundant taxa, half were coastal demersal taxa, three were midwater species, and two were 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 second two the month. Within each cruise tlie 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 tlie second set indicates the station and 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 m3 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 1989 listed in rank order.
Table 3. Pooled counts of all larval fish taxa taken on CalCOFI survey cruises in 1989 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. Orders and families are listed in phylogenetic sequence (Eschmeyer 1998); genera and species are listed alphabetically.
ACKNOWLEDGMENTS The following NMFS personnel were responsible for making the collections at sea: Dimitry Abramenkoff (all cruises), Susan Manion (all cruises), William Flerx(8901,8904), Amy Hays (8901,8907), Richard Charter (8901), Adrain Costa (8907), Ronald Dotson, (8904), and Cynthia Meyer (8901). The samples were sorted by Lucy Dunn, Frances Pocinich, and Jean Haddox. William Isham and Ernest0 Calix of MEC Analytical Systems identified the samples in conjunction with the senior author and other personnel of the ichthyoplankton group (Sharon Charter, Elaine Sandknop, William Watson). 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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8 Sandknop, E. M., R. L. Charter, H. G. Moser, C. A. Meyer, and A. E. Hays. 1988a. Ichthyoplankton and station data for California Cooperative Oceanic Fisheries Investigations survey cruises in 1961. U.S. Dep. Commer., NOAA Tech. Memo., NOAA-TM-NMFS-SWFC-92. 167 pp.
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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-8 1. 186 pp.
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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. U.S. Dep. Commer., NOAA Tech. Memo., NOAA-TM-NMFS-SWFC-87.273pp.
Stevens, E. G., R. L. Charter, H. G. Moser, and L. R. Zins. 1988a. Ichthyoplankton and station data for California Cooperative 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.US. Dep. Commer., NOAA Tech. Memo., NOAA-TM-NMFS-SWFC- 100.265 pp.
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.
9 Sumida, B. Y., R. L. Charter, H. G. Moser, and D. L. Snow. 1987a. Ichthyoplankton and station data for California Cooperative 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 CaliforniaCooperative 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. 1988~.Ichthyoplankton and station data for California Cooperative 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. 1989. Data Report. Physical, chemical, and biological data. CalCOFI Cruise 8901,20 January-3 February 1989 and CalCOFI Cruise 8904, 17-30 April, 1989. SI0 Ref, 89-26. 88 pp.
University of California, Scripps Institution of Oceanography. 1990. Data Report. Physical, chemical, and biological data. CalCOFI Cruise 8907, 18 July-] August, 1989, CalCOFI Cruise 8908, 2-8 August, 1989, and CalCOFI Cruise 891 1, 6-20 November, 1989. SI0 Ref. 90-19. 116 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 8901 (above) and 8904 (below). Circles indicate hydrographic stations; dots indicate net tow stations.
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Figure 2. Stations and cruise tracks for CalCOFI cruises 8907 (above) and 891 1 (below). Symbols as in Figure 1. 12 CALCOFI 4( BASIC STATION PLAN
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21 TABLE 2. Pooled occurrences of fish larvae taken on CalCOFI cruises in 1989
Rank Taxon Occurrences 1 Engraulis mordax 122 2 Protomyctophum crockeri 118 3 Sebastes spp. 110 4 Stenobrachius leucopsarus 85 5 Merluccius productus 83 6 Citharichthys stigmaeus 72 7 Leuroglossus stilbius 71 8 Bathylagus ochotensis 67 8 Diogenichthys atlanticus 67 10 Lampanyctus ritteri 64 11 Lampanyctus spp. 58 12 Citharichthys sordidus 55 13 Symbolophorus californiensis 43 14 Bathylagus wesethi 40 15 Tarletonbeania crenularis 39 16 Vinciguerria lucetia 38 17 Sardinops sagax 36 18 Triphoturus mexicanus 34 19 Ceratoscopelus townsendi 32 20 Trachurus symmetricus 30 21 Sebastes jordani 29 21 Cyclothone signata 29 23 Diaphus spp. 27 24 Chauliodus macouni 24 24 Melamphaes lugubr is 24 26 Argentina sialis 21 26 Myctophidae 21 26 Disintegrated fish larvae 21 29 Citharichthys spp. 19 30 Idiacanthus antrostomus 18 30 Coryphopterus nicholsii 18 30 Tetragonurus cuvieri 18 33 Lestidiops ringens 17 34 Genyonemus lineatus 16 34 Melamphaes spp. 16 34 Danaphos oculatus 16 34 Sebastes paucispinis 16 38 Argyropelecus sladeni 15 39 Scomber japonicus 14 40 Cyclothone spp. 13 40 Paralabrax spp. 13 42 Lampanyctus regalis 12 43 Icichthys lockingtoni 11 43 Oxyjulis californica 11 45 Microstoma spp. 10 46 Seriphus politus 9 47 Sphyraena argentea 8 47 Parophrys vetulus 8 47 Nansenia candida 8 47 Vinciguerria poweriae 8 22 TABLE 2. (cont.) Rank Taxon Occurrences 51 Sternoptyx spp. 7 51 Myctophum nitidulum 7 51 Bathylagus pacificus 7 51 Paralichthys cal fornicus 7 51 Chromis punctipinnis 7 56 Electrona risso 6 56 Loweina rara 6 56 Hygophum reinhardtii 6 56 Unidentified fish larvae 6 56 Sebastolobus spp. 6 56 Artedius creaseri 6 56 Peprilus simillimus 6 56 Rathbunella spp. 6 56 Argyropelecus affinis 6 65 Scorpaenichthys marmoratus 5 65 Howella spp. 5 65 Melamphaes parvus 5 65 Pleuronichthys verticalis 5 69 Lyopsetta exilis 4 69 Notolychnus valdiviae 4 69 Gigantactis spp. 4 69 Symphurus atricaudus 4 69 Sebastes diploproa 4 69 Scopelosaurus harryi 4 69 Sebastes aurora 4 76 Typhlogobius calforniensis 3 76 Tactostoma macropus 3 76 Halichoeres semicinctus 3 76 Pleuronichthys coenosus 3 76 Xenistius cal forniensis 3 76 Oneirodes spp. 3 76 Pleuronichthys ritteri 3 76 Stomiiformes 3 76 Arctozenus risso 3 76 Argyropelecus lychnus 3 76 Icelinus quadriseriatus 3 76 Cyclothone acclinidens 3 76 Clinocottus analis 3 76 Trachipterus altivelis 3 90 Rosenblattichthys volucris 2 90 Scopelarchus guentheri 2 90 Paralepididae 2 90 Pleuronichthys spp. 2 90 Microstomus pacijicus 2 90 A r istostomius scintillans 2 90 Hippoglossina stomata 2 90 Lampanyctus "no pectorals" 2 90 Liparis mucosus 2 90 Argyropelecus hemigymnus 2 90 Zaniolepis latipinnis 2 90 Zaniolepis frenata 2
23 TABLE 2. (cont.) Rank Taxon Occurrences 90 Oxylebius pictus 2 90 Melanostomiinae 2 90 Poromitra crassiceps 2 90 Brosmophycis marginata 2 90 Notoscopelus resplendens 2 90 Cheilotrema saturnum 2 90 Cottidae 2 90 Semicossyphus pulcher 2 90 Sternoptychidae 2 90 Cryptotrema corallinum 2 90 Hypsoblennius SQQ. 2 90 Hypsoblennius jenkinsi 2 90 Lepidogobius lepidus 2 90 Pawilux ingens 2 90 Oligocoltus SQQ. 2 117 Bathylagus spp. 1 117 Cyclothone pseudopallida 1 117 Stomias atriventer 1 117 Chitonotus pugetensis 1 117 Glyptocephalus zac h irus 1 117 Pleuronectidae 1 117 Sarda chiliensis 1 117 Gobiidae 1 117 Hypsoblennius gentilis 1 117 Chiasmodon niger 1 117 Pholidae 1 117 Stichaeidae 1 117 Haemul idae 1 117 Brama japonica 1 117 Xeneretmus latifrons 1 117 Scopelogadus b ispinosus 1 117 lcelinus SQQ. 1 117 Benthalbella dentata 1 117 Artedius lateralis 1 117 Artedius harringtoni 1 117 Artedius SQQ. 1 117 Hexagramm os decagramm us 1 117 Sebastolobus altivelis 1 117 Syngnathus californiensis 1 117 Leptocephalus holti 1 117 Ophidion scrippsae 1 117 Diogenichthys laternatus 1 117 Magnisudis atlantica 1 117 Synodus lucioceps 1 117 Odontopyxis trispinosa 1 Total 2017
24 TABLE 3. Pooled counts of fish larvae taken on CalCOFI cruises in 1989. Counts are adjusted for percent of sample sorted and standard haul factor (see text).
Rank Taxon Count 1 Merluccius productus 32892 2 Engraulis mordax 26272 3 Sebastes spp. 9510 4 Sardinops saga 6646 5 Leuroglossus stilbius 5198 6 Stenobrachius leucopsarus 3672 7 Sebastes jordani 2552 8 Genyonemus lineatus 2297 9 Citharichthys stigmaeus 1457 10 Vinciguerrialucetia 1357 11 Protomyctophum crockeri 1352 12 Bathylagus ochotensis 1225 13 Lampanyctus ritteri 912 14 Diogenichthys atlanticus 820 15 Citharichthys sordidus 805 16 Trachurus symmetricus 643 17 Lampanyctus spp. 559 18 Ceratoscopelus townsendi 54 1 19 Triphoturus mexicanus 526 20 Argentina sialis 513 21 Symbolophorus californiensis 51 1 22 Bathylagus wesethi 446 23 Tarletonbeania crenularis 426 24 Cyclothone signata 417 25 Citharichthys spp. 356 26 Sebastes paucispinis 354 27 Paralabra spp. 316 28 Diaphus spp. 308 29 Scomber japonicus 270 30 Myctophidae 222 31 Oxyjulis californica 187 32 Vinciguerriapoweriae 183 33 Chauliodus macouni 181 34 Disintegrated fish larvae 178 35 Hypsoblennius jenkinsi 173 36 Pleuronichthys verticalis 172 37 Parophrys vetulus 163 37 Melamphaes lugubris 163 39 Cyclothone spp. 161 40 Idiacanthus antrostomus 153 41 Seriphus politus 147 42 Coryphopterus nicholsii 137 43 Tetragonurus cuvieri 124 44 Melamphaes spp. 119 45 Danaphos oculatus 104 46 Lestidiops ringens 103 47 Sphyraena argentea 99 48 Lampanyctus regalis 95
25 TABLE 3. (cont.) Rank Taxon Count 49 Bathylagus pactficus 93 50 Argyropelecus sladeni 85 51 Artedius creaseri 83 52 Nansenia candida 75 53 Hygophum reinhardtii 74 54 Icichthys lockingtoni 69 55 Chromis punctipinnis 65 56 Sebastes diploproa 62 57 Rathbunella spp. 61 58 Unidentified fish larvae 57 59 Microstoma spp. 55 60 Scorpaenichthys marmoratus 52 60 Sebastes aurora 52 62 Paralichthys californicus 49 63 Icelinus quadriseriatus 46 64 Loweina rura 45 65 Sebastolobus spp. 44 66 Myctophum nitidulum 40 67 Sternoptyx spp. 39 67 Peprilus s im illim us 39 67 Melamphaes parvus 39 70 Argyropelecus affinis 36 71 Howella spp. 34 71 Lyopsetta exilis 34 71 Notoscopelus resplendens 34 74 Xenistius californiensis 32 75 Symphurus atricaudus 31 76 Electronu risso 30 77 Pleuronichthys coenosus 29 78 Hexagrammos decagrammus 28 79 Pleuronichthys ritteri 27 80 Notolychnus valdiviae 25 81 Oneirodes spp. 24 82 Scopelosaurus harryi 23 83 Typhlogobius californiensis 22 84 Cyclothone acclinidens 20 84 Gigantactis spp. 20 84 Hypsoblennius gentilis 20 84 Aristostomias scintillans 20 88 Hippoglossina stomata 19 88 Oligocottus spp. 19 90 Cottidae 17 90 Cheilotrema saturnum 17 92 Scopelarchus guentheri 16 93 Trachipterus altivelis 15 93 Zaniolepis fienata 15 93 Stomiiformes 15 93 Arctozenus risso 15 93 Argyropelecus lychnus 15 93 Microstomus pacijkus 15 93 Ovlebiuspictus 15 26 TABLE 3. (cont.) Rank Taxon Count 93 Tactostoma macropus 15 93 Liparis mucosus 15 93 Brosmophycis marginata 15 103 Zaniolepis latipinnis 14 103 Lepidogobius lepidus 14 105 Clinocottus analis 13 106 Halichoeres semicinctus 12 107 Bathylagus spp. 11 108 Artedius harringtoni 10 108 Argyropelecus hemigymnus 10 108 Icelinus spp. 10 108 Haemulidae 10 108 Pleuronichthys spp. 10 108 Melanostomiinae 10 1os Semicossyphus pulcher 10 108 Sternoptychidae 10 108 Lampanyctus "no pectorals" 10 108 Chitonotus pugetensis 10 108 Rosenblattichthys volucris 10 108 Paralepididae 10 108 Poromitra crassiceps 10 108 Parvilux ingens 10 108 Cryptotrema corallinum 10 123 Pleuronectidae 9 123 Stichaeidae 9 125 Hypsoblennius spp. 8 126 Stomias atriventer 5 126 Leptocephalus holti 5 126 Benthalbella dentata 5 126 Magnisudis atlantica 5 126 Xeneretmus latrfrons 5 126 Sebastolobus altivelis 5 126 Synodus lucioceps 5 126 Artedius spp. 5 126 Gobiidae 5 126 Cyclothone pseudopallida 5 126 Odontopyxis trispinosa 5 126 Diogenichthys laternatus 5 126 Scopelogadus bispinosus 5 126 Sarda chiliensis 5 126 Phol idae 5 126 Chiasmodon niger 5 126 Ophidion scrippsae 5 126 Artedius lateralis 5 126 Brama japonica 5 145 Syngnathus californiensis 4 145 Glyptocephalus zachirus 4 Total 108311
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...... 43 Engraulis nzordax ...... 29 Synodontidae Osineriforines Synodus lucioceps ...... 43 Argentinidae Paralepididae ...... 43 Argentina sialis ...... 30 Arctozenus risso ...... 43 Microstomatidae Lestidiops ringens ...... 43 Microstoma spp ...... 3 1 Magnisudis atlantica ...... 44 Nansenia candida ...... 3 1 Myctophiformes Bathylagidae Myctophidae ...... 44 Bathylagus spp ...... 3 1 Lampanyctinae Bathylagus ochotensis ...... 32 Ceratoscopelus townsendi ...... 44 Bathylagus pacijicus ...... 3 3 Diaphus spp ...... 45 Bathylagus wesethi ...... 33 Lampanyctus spp ...... 46 Leuroglossus stilbius ...... 34 Lanzpanyctus '!no pectorals" ...... 47 St om i i form e s ...... 3 6 Lanzpanyctus regalis ...... 47 Gonostomatidae Lanzpanyctus ritteri ...... 48 Cyclothone spp ...... 36 Notolychnus valdiviae ...... 49 Cyclothone acclinidens ...... 36 Notoscopelus resplendens ...... 49 Cyclothone pseudopallida ...... 36 Parvilux ingens ...... 49 Cyclothone signata ...... 3 7 Stenobrachius leucopsarus ...... 50 Sternoptychidae ...... 3 7 Triphoturus mexicanus ...... 51 Argyropelecus afJinis ...... 37 M yctoph inae Argyropelecus hemigymnus ...... 38 Diogenichthys atlanticus ...... 52 Argyropelecus lychnus ...... 38 Diogenichthys laternatus ...... 53 Argyropelecus sladeni ...... 3 8 Electrona risso ...... 54 Danaphos oculatus ...... 3 8 Hygophum reinhardtii ...... 54 Sternoptyx spp ...... 39 Loweina rara ...... 54 Phosichthyidae Myctophum nitidulum ...... 54 Vinciguerria lucetia ...... 3 9 Protomyctophum crockeri ...... 55 Vinciguerriapoweriae ...... 40 Sym bolop hor us californiensis ...... 56 Stomiidae Tarletonbeania crenularis ...... 57 Cliauliodontinae Lampridiformes Chauliodus macouni ...... 40 Trachipteridae Stomiinae Trachipterus altivelis ...... 58 Stomias atriventer ...... 4 1 Gadiformes Melanostomiinae ...... 4 1 Merlucciidae Tactostoma macropus ...... 4 1 Merluccius productus ...... 58 Malacosteinae Ophidiiformes Aristostomias scintillans ...... 42 Ophidiidae Idiacanthinae Ophidion scrippsae ...... 60 Idiacanthus antrostomus ...... 42 Bythitidae 83 Brosmophycis marginata ...... 60 Percoidei Lophiiformes Serranidae Ceratioidei Paralabrax spp ...... 68 Oneirodidae Howellidae Oneirodes spp ...... 60 Howella spp ...... 69 Gigantactinidae Carangidae Gigantactis spp ...... 6 1 Trachurus symmetricus ...... 69 Stephanoberyciformes Bramidae Melamphaidae Bramajaponica ...... 70 Melamphaes spp ...... 61 Haemulidae ...... 70 Melamphaes lugubris ...... 6 1 Xenistius californiensis ...... 70 Melamphaes parvus ...... 62 S c i aen idae Poromitra crassiceps ...... 62 Cheilotrema saturnum ...... 70 Scopelogadus b isp inosus ...... 62 Genyonemus lineatus ...... 70 Syngnathiforines Seriphus politus ...... 71 Syngnathidae Labroidei Syngnathus californicus ...... 62 Pomacentridae Scorpaeniformes Chromis punctipinnis ...... 71 Sebastidae Labridae Sebastes spp ...... 63 Halichoeres semicinctus ...... 71 Sebastes aurora ...... 64 Oxyjulis californica ...... 71 Sebastes diploproa ...... 64 Semicossyphus pulcher ...... 72 Sebastes jordani ...... 64 Zoarcoidei Sebastes paucispinis ...... 65 Bathyinasteridae Sebastolobus spp ...... 66 Rathbunella spp ...... 72 Sebastolobus altivelis ...... 66 Stichaeidae ...... 72 Zaniolepididae Pholidae ...... 72 Oxylebius pictus ...... 66 Trachinoidei ZaniolepisjPenata ...... 66 Chiasmodontidae Zaniolepis latipinnis ...... 66 Chiasmodon niger ...... 72 Hexagrammidae Blennioidei Hexagrammos decagrammus ...... 66 Labrisomidae Cottidae ...... 67 Cryptotrema corallinum ...... 72 Artedius spp ...... 67 Blenniidae Artedius creaseri ...... 67 Hypsoblennius spp ...... 73 Artedius harringtoni ...... 67 Hypsoblennius gentilis ...... 73 Artedius lateralis ...... 67 Hypso blennius jenkinsi ...... 73 Chitonotus pugetensis ...... 67 Gobioidei Clinocottus analis ...... 67 Gobiidae ...... 73 Icelinus spp ...... 67 Coryphopterus n icholsii ...... 73 Icelinus quadriseriatis ...... 67 Lepidogobius lepidus ...... 74 Oligocottus spp ...... 68 Typhlogobius californiensis ...... 74 Scorpaenichthys marmoratus ...... 68 Sphyraenoidei Agonidae Sphyraenidae Odontopyxis trispinosus ...... 68 Sphyraena argentea ...... 74 Xeneretmus latifrons ...... 68 Scombroidei Cyclopteridae Scombridae Liparis mucosus ...... 68 Sarda chiliensis ...... 74 Perciformes Scomber japonicus ...... 74 84 Stroinateoidei Pleuronectidae ...... 80 Centrolopliidae Glyptocephalus zachirus ...... 80 Icichthys lockingtoni ...... 75 Lyopsetta exilis ...... 80 Tetragonuridae Microstomus paciJicus ...... 80 Tetrugonurus cuvieri ...... 75 Parophrys vetulus ...... 80 Stroinateidae Pleuronichthys spp ...... 80 Peprilus sinzillimus ...... 76 Pleuronichthys coenosus ...... 81 Pleuronectiforines Pleuronichthys ritteri ...... 81 Paralichthyidae Pleuronichthys verticalis ...... 81 Citharichthys spp ...... 76 Cynoglossidae Citharichthys sordidus ...... 77 Symphurus atricaudus ...... 81 Citharichthys stigmaeus ...... 78 Disintegrated fish larvae ...... 81 Hippoglossina stomata ...... 79 Unidentified fish larvae ...... 82 Paralichthys californicus ...... 79 85 ALPHABETICAL INDEX TO TABLE 4 Arctozenus risso ...... 43 Halichoeres semicinctus ...... 71 Argentina sialis ...... 30 Hexagrammos decagrammus ...... 66 Argyropelecus afinis ...... 3 7 Hippoglossina stomata ...... 79 Argyropelecus hemigymnus ...... 3 8 Howella spp ...... 69 Argyropelecus lychnus ...... 3 8 Hygophum reinhardtii ...... 54 Argyropelecus sladeni ...... 3 8 Hypsoblennius gentilis ...... 73 Aristostomias scintillans ...... 42 Hypsoblenniusjenkinsi ...... 73 Artedius creaseri ...... 67 Hypsoblennius spp ...... 73 Artedius harringtoni ...... 67 Icelinus quadriseriatis ...... 67 Artedius lateralis ...... 67 Icelinus spp ...... 67 Artedius spp...... 67 Icichthys lockingtoni ...... 75 Bathylagus ochotensis ...... 32 Idiacanthus antrostomus ...... 42 Bathylagus paciJicus ...... 3 3 Lampanyctus “no pectorals’’ ...... 47 Bathylagus spp ...... 3 1 Lampanyctus regalis ...... 47 Bathylagus wesethi ...... 33 Lampanyctus ritteri ...... 48 Benthalbella dentata ...... 42 Lampanyctus spp ...... 46 Brama japonica ...... 70 Lepidogobius lepidus ...... 74 Brosmophycis marginata ...... 60 Leptocephalus holti ...... 28 Ceratoscopelus townsendi ...... 44 Lestidiops ringens ...... 43 Chauliodus macouni ...... 40 Leuroglossus stilbius ...... 34 Cheilotrema saturnum ...... 70 Liparis mucosus ...... 68 Chiasmodon niger ...... 72 Loweina rara ...... 54 Chitonotus pugetensis ...... 67 Lyopsetta exilis ...... 80 Chromis punctipinnis ...... 7 1 Magnisudis atlantica ...... 44 Citharichthys sordidus ...... 78 Melamphaes lugubris ...... 61 Citharichthys spp ...... 76 Melamphaes pawus ...... 62 Citharichthys stigmaeus ...... 78 Melamphaes spp ...... 61 Clinocottus analis ...... 67 Melanostorniidae ...... 41 Coryphopterus nicholsii ...... 73 Merluccius productus ...... 58 Cottidae ...... 67 Microstoma spp ...... 31 Cryptotrema corallinum ...... 72 Microstomus pacif~cus...... 80 Cyclothone acclinidens ...... 36 Myctophidae ...... 44 Cyclothone pseudopallida ...... 3 6 Myctophum nitidulum ...... 54 Cyclothone signata ...... 3 7 Nansenia candida ...... 31 Cyclothone spp ...... 36 Notolychnus valdiviae ...... 49 Danaphos oculatus ...... 38 Notoscopelus resplendens ...... 49 Diaphus spp ...... 45 Odontopyxis trispinosus ...... 68 Diogenichthys atlanticus ...... 52 Oligocottus spp ...... 68 Diogenichthys laternatus ...... 53 Oneirodes spp...... 60 Disintegrated fish larvae ...... 8 1 Ophidion scrippsae ...... 60 Electrona risso ...... 54 Oxyjulis californica ...... 71 Engraulis mordax ...... 29 Oxylebiuspictus ...... 66 Genyonemus Iineatus ...... 70 Paralabrax spp ...... 68 Gigantactis spp ...... 6 1 Paralepididae ...... 43 Glyptocephalus zachirus ...... 80 Paralichthys californicus ...... 79 Gobiidae ...... 73 Parophrys vetulus ...... 80 Haemulidae ...... 70 Parvilwc ingens ...... 49 86 Peprilus simillinzus ...... 76 Seriphus politus ...... 7 1 Pholidae ...... 72 Sphyraenu argenteu ...... 74 Pleuronectidae ...... Stenobruchius leucopsurus ...... 50 Pleuronichthys coenosus ...... Sternoptychidae ...... 37 Pleuronichthys ritteri ...... 8 1 Sternoptyx spp ...... 39 Pleuronichthys spp...... 80 Stichaeidae ...... 72 Pleuronichthys verticalis ...... 8 1 Stomius atriventer ...... 41 Poromitra crussiceps ...... 62 Stomiiforines ...... 36 Protomyctophum crockeri ...... 55 Symbolophorus californiensis ...... 56 Rathbunellu spp...... 72 Symphurus utricuudus ...... 81 Rosenbluttichthys volucris ...... 42 Syngnathus californicus ...... 62 Sarda chiliensis ...... 74 Synodus lucioceps ...... 43 Surdinopssugux ...... 28 Tuctostornu mucropus ...... 41 Scomber juponicus ...... 74 Tarletonbeunia crenularis ...... 57 Scopelurchus guentheri ...... 42 Tetrugonurus cuvieri ...... 75 Scopelogudus bispinosus ...... 62 Trachipterus altivelis ...... 58 Scopelosuurus harryi ...... 43 Truchurus synznzetricus ...... 69 Scorpuenichthys nzurmoratus ...... 68 Triphoturus mexicanus ...... 51 Sebustes uuroru ...... 64 Typhlogobius culiforn iensis ...... 74 Sebustes diploproa ...... 64 Unidentified fish larvae ...... 82 Sebustesjorduni ...... 64 Vinciguerria lucetia ...... 39 Sebastes paucispinis ...... 65 Vinciguerria poweriae ...... 40 Sebustes spp...... 63 Xeneretmus luti@ons ...... 68 Sebustolobus ultivelis ...... 66 Xenistius californiensis ...... 70 Sebustolobus spp...... 66 Zuniolepis fienuta ...... 66 Semicossyphus pulcher ...... 72 Zuniolepis latipinnis ...... 66 87 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-260 Stress in mammals: The potential influence of fishery-induced stress on dolphins in the Eastern Tropical Pacific Ocean. B.E. CURRY (April 1999) 261 Recent developments in population viability analysis, with specific reference to pacific salmon. P.D. SPENCER (May 1999) 262 The Hawaiian Monk Seal in the Northwestern Hawaiian Islands, 1997. T.C. JOHANOS, and T.J. RAGEN (June 1999) 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 Summer/Fall 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)