DOCSLIB.ORG

Lissocrangon Stylirostris Class: Multicrustacea, Malacostraca, Eumalacostraca

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text
Lissocrangon Stylirostris Class: Multicrustacea, Malacostraca, Eumalacostraca Phylum: Arthropoda, Crustacea Lissocrangon stylirostris Class: Multicrustacea, Malacostraca, Eumalacostraca Order: Eucarida, Decapoda, Pleocyemata, Caridea Common shrimp Family: Crangonoidea, Crangonidae Taxonomy: Schmitt (1921) described many stylirostris (Kuris et al. 2007). shrimp in the genus Crago (e.g. Crago alas- Cephalothorax: kensis and C. franciscorum) and reserved Eyes: Small, pigmented and not cov- the genus Crangon for the snapping shrimp ered by carapace. (now in the genus Alpheus). In 1955–56, Antenna: Antennal scale the International Commission on Zoological (scaphocerite) short, just a little over half the Nomenclature formally reserved the genus length of the carapace, blade with oblique in- Crangon for the sand shrimps only. Kuris ner margin; spine longer than blade (Fig. 2). and Carlton (1977) designated the new, and Stylocerite (basal, lateral spine on antennule) currently monotypic, genus Lissocrangon longer than first antennular peduncle segment based on a lack of gastric carapace spines. and blade-like (Wicksten 2011). Known synonyms for L. stylirostris include Mouthparts: The mouth of decapod Crago stylirostris and Crangon stylirostris crustaceans comprises six pairs of appendag- (Wicksten 2011). es including one pair of mandibles (on either side of the mouth), two pairs of maxillae and Description three pairs of maxillipeds. The maxillae and Size: Type specimen 55 mm in body length maxillipeds attach posterior to the mouth and (Ricketts and Calvin 1971) with average extend to cover the mandibles (Ruppert et al. length 30–61 mm (male average 43 mm and 2004). Third maxilliped stout (particularly first female 61 mm, Wicksten 2011; size range segment, which is broadly dilated) and with 20–70 mm for females, 15–49 mm for exopod (Kuris and Carlton 1977; Wicksten males, Marin Jarrin and Shanks 2008). This 2011). specimen (from Coos Bay) is 55 mm in len- Carapace: Thin and smooth, without gth. medial spine (Lissocrangon, Kuris and Carlton Color: White with black and brown chroma- 1977). A pair of hepatic (lateral) spines with tophores, giving gray appearance (see Fig. carinae or ridges (Fig 1). Also branchiostegal 23.11, Chace and Abbott 1980). pines (Wicksten 2011). General Morphology: The body of decapod Rostrum: Short, narrow with pointed crustaceans can be divided into the cepha- tip that is sharply recurved and grooved lothorax (fused head and thorax) and abdo- (Wicksten 2011), length reaches end of eyes. men. They have a large plate-like carapace Teeth: dorsally, beneath which are five pairs of tho- Pereopods: First pereopod stout and racic appendages (see chelipeds and pere- bearing spines on merus (one) and carpus opods) and three pairs of maxillipeds (see (two), propodus widening distally and dactyl mouthparts). The body is laterally com- obliquely transverse when flexed. Second to pressed and shrimp-like in the Caridea. The fifth pereopod morphology as follows: second abdomen and associated appendages are pereopod slender and chelate; third slender outstretched and the abdomen usually has a and with simple dactyl; fourth and fifth larger sharp bend, which is less prominent in L. A publication of the University of Oregon Libraries and the Oregon Institute of Marine Biology Individual species: https://oimb.uoregon.edu/oregon-estuarine-invertebrates and full 3rd edition: http://hdl.handle.net/1794/18839 Email corrections to: [email protected] Hiebert, T.C. 2015. Lissocrangon stylirostris. In: Oregon Estuarine Invertebrates: Rudys' Illustrated Guide to Common Species, 3rd ed. T.C. Hiebert, B.A. Butler and A.L. Shanks (eds.). University of Oregon Libraries and Oregon Institute of Marine Biology, Charles- ton, OR. than third and with flattened dactyls munitella, locally) has two gastric spines. (Wicksten 2011). Crangon species have a straight and Chelipeds: Hands (manus) subche- upturned rostrum and a telson that is of equal late, slightly widened distally and about length or longer than uropods. The genus is twice as long as wide (Fig. 3). divided into groups (i.e. subgenera, Kuris and Abdomen (Pleon): Shrimp-like (Fig. 1). Carlton 1977) based on characters of the Male abdomen narrow (see Sexual Dimor- sixth abdominal segment. In the first group, phism). Morphology of the sixth abdominal the sixth abdominal segment is smooth and segment is taxonomically significant and in lacks dorsal carinae (instead of two distal cari- L. stylirostris it bears a postero-ventral nae). This group is further split based on a spine, no ventral groove and no carinae sulcate or convex sixth abdominal segment (Ricketts and Calvin 1971; Wicksten 2011). ventrum. The so-called “smooth, sulcate spe- Telson & Uropods: Telson distinctly shorter cies group” (Kuris and Carlton 1977) includes than uropods and with four lateral spines all local Crangon species, C. alaskensis, C. (two pair) (Fig. 4) (Wicksten 2011). franciscorum, C. handi, C. nigricauda and C. Sexual Dimorphism: Females often have nigromaculata. broader and larger bodies than males, which Besides lacking gastric spines, Lis- have compressed and squat bodies socrangon species have a long narrow and (Hoeman 1982; Marin Jarrin and Shanks sharply recurved rostrum, a telson that is 2008; Wicksten 2011). The size disparity shorter than the uropods and a sixth ab- between males and females could be the dominal segment without a pair of dorsal cari- result of protandry (see Reproduction) nae (keel-like ridges). This genus is monotyp- (Marin Jarrin and Shanks 2008). ic, the only known member is L. stylirostris (Kuris and Carlton 1977; Kuris et al. 2007). Possible Misidentifications The family Crangonidae is character- Ecological Information ized by first pereopods that are subchelate Range: Type locality is Trinidad, California. and second pereopods (if present) that are Known range includes Chirikof Island, Alaska slender and equal in size, each with unseg- to Todos Santos Bay, Baja California mented carpus. Other characters include (Wicksten 2011). chela dactyls that close horizontally across Local Distribution: Coos Bay sites include the end of the propodus (“like the blade of a Pt. Adams beach, at the mouth of South pocket knife” Wicksten 2011), a rostrum that Slough. is small and without spines and a body that Habitat: Often along high-energy sandy is squat and somewhat depressed (although beaches, surf zone or semi-protected beach- it can be broad in ovigerous females) es (Kuris and Carlton 1977; Wicksten 2011). (Wicksten 2011). Lissocrangon stylirostris is a bottom-dweller Three crangonid genera we revised in that prefers hard sand (Ricketts and Calvin 1977 by Kuris and Carlton: Lissocrangon, 1971) and occurs in the low tide, swash zone Crangon and Neocrangon. Members of the of Oregon beaches (see Figs. 1–3, McLau- two former genera are found locally. These chlan 1990). genera can be differentiated by carapace Salinity: Collected at 30 with range reported spination: Lissocrangon lacks gastric from salinities of 17 to 33 (Chace and Abbott spines, Crangon has one median gastric 1980). spine and Neocrangon (Mesocrangon, M. Temperature: 8.7–16°C (Chace and Abbott A publication of the University of Oregon Libraries and the Oregon Institute of Marine Biology Individual species: https://oimb.uoregon.edu/oregon-estuarine-invertebrates and full 3rd edition: http://hdl.handle.net/1794/18839 Email corrections to: [email protected] 1980). spine, an exopod present on pereopod one Tidal Level: Intertidal to 80 m. (not 3–5), which is subchelate and a telson Associates: Can be infested with bopyrid that widens posteriorly (see Fig. 48.1, Guerao isopod Argeia pugettensis (Butler 1980). and Cuesta 2014; Puls 2001). This isopod is found next to the branchial Juvenile: chamber in many crangonids and forms a Longevity: conspicuous bulge in the carapace (see Growth Rate: Growth occurs in conjunction Plate 19, Kozloff 1993; Wicksten 2011). In with molting. In pre-molting periods the epi- 2008, 61.7% of L. stylirostris were infected dermis separates from the old cuticle and a with the parasite and their reproductive dramatic increase in epidermal cell growth oc- output was negatively affected (Bastendorff curs. Post-molt individuals will have soft Beach, Charleston, OR, Marin Jarrin and shells until a thin membranous layer is depos- Shanks 2008). The crangonid shrimps L. ited and the cuticle gradually hardens. During stylirostris and Crangon franciscorum may a molt decapods have the ability to regener- also be infected with the microspordium ate limbs that were previously autotomized parasite Pleistophora crangoni, which (Kuris et al. 2007). occurs within their skeletal musculature Food: Feeds on small invertebrates and (Breed and Olson 1977). moves into the surf zone at night when its pre- Abundance: Common in surf zone of semi- ferred prey, Archaeomysis grebnitzkii is most protected sandy beaches (Schmitt 1921). abundant (Marin Jarrin and Shanks 2011). Densities ranged from 17–472 individuals Predators: Commercially harvested in San per 100 m2 at Bastendorff Beach, Charles- Francisco Bay, California for bait with C. fran- ton, OR, with highest density observed at ciscorum, C. nigricauda and C. nigromacula- night (Marin Jarrin and Shanks 2011). ta. Annual catches ranged from 320,000– 1,360,000 kg (1940–1957) to 2,300–25,000 Life-History Information kg (1980s) per year (Chace and Abbott 1980). Reproduction: Many crangonid shrimp spe- Behavior: cies are considered gonochoristic, but evi- dence suggests that some species exhibit Bibliography protandry (Bauer 2004). Identifying oviger- 1. BAUER, R. T. 2004. Remarkable shrimps: ous females is easy because female cran- adaptations and natural history of the car- gonid shrimp carry eggs which are attached ideans. Animal Natural History Series. 7:1- with between the joints and rami of the inner 282. pleopods, under the abdomen (Siegfried 2. BREED, G. M., and R. E. OLSON. 1977. 1989). Females ovigerous year-round Biology of microsporidan parasite Pleis- (Grays Harbor, Washington, Hoeman 1982). tophora crangonin n.sp. in three species of Little is known about the reproduction and crangonid sand shrimps. Journal of Inver- L. stylirostris. development in tebrate Pathology. 30:387-405. Larva: In caridean shrimp species develop- 3. CHACE, F.
Load more

Recommended publications
  • The Role of Neaxius Acanthus
    Wattenmeerstation Sylt The role of Neaxius acanthus (Thalassinidea: Strahlaxiidae) and its burrows in a tropical seagrass meadow, with some remarks on Corallianassa coutierei (Thalassinidea: Callianassidae) Diplomarbeit Institut für Biologie / Zoologie Fachbereich Biologie, Chemie und Pharmazie Freie Universität Berlin vorgelegt von Dominik Kneer Angefertigt an der Wattenmeerstation Sylt des Alfred-Wegener-Instituts für Polar- und Meeresforschung in der Helmholtz-Gemeinschaft In Zusammenarbeit mit dem Center for Coral Reef Research der Hasanuddin University Makassar, Indonesien Sylt, Mai 2006 1. Gutachter: Prof. Dr. Thomas Bartolomaeus Institut für Biologie / Zoologie Freie Universität Berlin Berlin 2. Gutachter: Prof. Dr. Walter Traunspurger Fakultät für Biologie / Tierökologie Universität Bielefeld Bielefeld Meinen Eltern (wem sonst…) Table of contents 4 Abstract ...................................................................................................................................... 6 Zusammenfassung...................................................................................................................... 8 Abstrak ..................................................................................................................................... 10 Abbreviations ........................................................................................................................... 12 1 Introduction ..........................................................................................................................
    [Show full text]
  • Prawn Fauna (Crustacea: Decapoda) of India - an Annotated Checklist of the Penaeoid, Sergestoid, Stenopodid and Caridean Prawns
    Available online at: www.mbai.org.in doi: 10.6024/jmbai.2012.54.1.01697-08 Prawn fauna (Crustacea: Decapoda) of India - An annotated checklist of the Penaeoid, Sergestoid, Stenopodid and Caridean prawns E. V. Radhakrishnan*1, V. D. Deshmukh2, G. Maheswarudu3, Jose Josileen 1, A. P. Dineshbabu4, K. K. Philipose5, P. T. Sarada6, S. Lakshmi Pillai1, K. N. Saleela7, Rekhadevi Chakraborty1, Gyanaranjan Dash8, C.K. Sajeev1, P. Thirumilu9, B. Sridhara4, Y Muniyappa4, A.D.Sawant2, Narayan G Vaidya5, R. Dias Johny2, J. B. Verma3, P.K.Baby1, C. Unnikrishnan7, 10 11 11 1 7 N. P. Ramachandran , A. Vairamani , A. Palanichamy , M. Radhakrishnan and B. Raju 1CMFRI HQ, Cochin, 2Mumbai RC of CMFRI, 3Visakhapatnam RC of CMFRI, 4Mangalore RC of CMFRI, 5Karwar RC of CMFRI, 6Tuticorin RC of CMFRI, 7Vizhinjam RC of CMFRI, 8Veraval RC of CMFRI, 9Madras RC of CMFRI, 10Calicut RC of CMFRI, 11Mandapam RC of CMFRI *Correspondence e-mail: [email protected] Received: 07 Sep 2011, Accepted: 15 Mar 2012, Published: 30 Apr 2012 Original Article Abstract Many penaeoid prawns are of considerable value for the fishing Introduction industry and aquaculture operations. The annual estimated average landing of prawns from the fishery in India was 3.98 The prawn fauna inhabiting the marine, estuarine and lakh tonnes (2008-10) of which 60% were contributed by freshwater ecosystems of India are diverse and fairly well penaeid prawns. An additional 1.5 lakh tonnes is produced from known. Significant contributions to systematics of marine aquaculture. During 2010-11, India exported US $ 2.8 billion worth marine products, of which shrimp contributed 3.09% in prawns of Indian region were that of Milne Edwards (1837), volume and 69.5% in value of the total export.
    [Show full text]
  • Crangon Franciscorum Class: Multicrustacea, Malacostraca, Eumalacostraca
    Phylum: Arthropoda, Crustacea Crangon franciscorum Class: Multicrustacea, Malacostraca, Eumalacostraca Order: Eucarida, Decapoda, Pleocyemata, Caridea Common gray shrimp Family: Crangonoidea, Crangonidae Taxonomy: Schmitt (1921) described many duncle segment (Wicksten 2011). Inner fla- shrimp in the genus Crago (e.g. Crago fran- gellum of the first antenna is greater than ciscorum) and reserved the genus Crangon twice as long as the outer flagellum (Kuris et for the snapping shrimp (now in the genus al. 2007) (Fig. 2). Alpheus). In 1955–56, the International Mouthparts: The mouth of decapod Commission on Zoological Nomenclature crustaceans comprises six pairs of appendag- formally reserved the genus Crangon for the es including one pair of mandibles (on either sand shrimps only. Recent taxonomic de- side of the mouth), two pairs of maxillae and bate revolves around potential subgeneric three pairs of maxillipeds. The maxillae and designation for C. franciscorum (C. Neocran- maxillipeds attach posterior to the mouth and gon franciscorum, C. franciscorum francis- extend to cover the mandibles (Ruppert et al. corum) (Christoffersen 1988; Kuris and Carl- 2004). Third maxilliped setose and with exo- ton 1977; Butler 1980; Wicksten 2011). pod in C. franciscorum and C. alaskensis (Wicksten 2011). Description Carapace: Thin and smooth, with a Size: Average body length is 49 mm for single medial spine (compare to Lissocrangon males and 68 mm for females (Wicksten with no gastric spines). Also lateral (Schmitt 2011). 1921) (Fig. 1), hepatic, branchiostegal and Color: White, mottled with small black spots, pterygostomian spines (Wicksten 2011). giving gray appearance. Rostrum: Rostrum straight and up- General Morphology: The body of decapod turned (Crangon, Kuris and Carlton 1977).
    [Show full text]
  • Annual Report 2010–2011
    Australian Museum 2010–2011 Report Annual Australian Museum Annual Report 2010–2011 Australian Museum Annual Report 2010 – 2011 ii Australian Museum Annual Report 2010 –11 The Australian Museum Annual Report 2010 –11 Availability is published by the Australian Museum Trust, This annual report has been designed for accessible 6 College Street Sydney NSW 2010. online use and distribution. A limited number of copies have been printed for statutory purposes. © Australian Museum Trust 2011 This report is available at: ISSN 1039-4141 www.australianmuseum.net.au/Annual-Reports. Editorial Further information on the research and education Project management: Wendy Rapee programs and services of the Australian Museum Editing and typesetting: Brendan Atkins can be found at www.australianmuseum.net.au. Proofreading: Lindsay Taaffe Design and production: Australian Museum Environmental responsibility Design Studio Printed on Sovereign Offset, an FSC- certified paper from responsibly grown fibres, made under an All photographs © Australian Museum ISO 14001– accredited environmental management 2011, unless otherwise indicated. system and without the use of elemental chlorine. Contact Australian Museum 6 College Street Sydney NSW 2010 Open daily 9.30 am – 5.00 pm t 02 9320 6000 f 02 9320 6050 e [email protected] w www.australianmuseum.net.au www.facebook.com/australianmuseum www.twitter.com/austmus www.youtube.com/austmus front cover: The Museum's after-hours program, Jurassic Lounge, attracted a young adult audience to enjoy art, music and new ideas. Photo Stuart Humphreys. iii Minister The Hon. George Souris, MP and Minister for the Arts Governance The Museum is governed by a Trust established under the Australian Museum Trust Act 1975.
    [Show full text]
  • Prospects of Red King Crab Hepatopancreas Processing: Fundamental and Applied Biochemistry
    Preprints (www.preprints.org) | NOT PEER-REVIEWED | Posted: 12 September 2020 doi:10.20944/preprints202009.0263.v1 Article Prospects of Red King Crab Hepatopancreas Processing: Fundamental and Applied Biochemistry Tatyana Ponomareva 1, Maria Timchenko 1, Michael Filippov 1, Sergey Lapaev 1, and Evgeny Sogorin 1,* 1 Federal Research Center "Pushchino Scientific Center for Biological Research of the RAS", Pushchino, Russia * Correspondence: [email protected]; Tel.: +7-915-132-54-19 Abstract: Since the early 1980s, a large number of research works on enzymes from the red king crab hepatopancreas have been conducted. These studies have been relevant both from a fundamental point of view for studying the enzymes of marine organisms and in terms of the rational management of nature to obtain new and valuable products from the processing of crab fishing waste. Most of these works were performed by Russian scientists due to the area and amount of waste of red king crab processing in Russia (or the Soviet Union). However, the close phylogenetic kinship and the similar ecological niches of commercial crab species and the production scale of the catch provide the bases for the successful transfer of experience in the processing of red king crab hepatopancreas to other commercial crab species mined worldwide. This review describes the value of recycled commercial crab species, discusses processing problems, and suggests possible solutions to these problems. The main emphasis is placed on the enzymes of the hepatopancreas as the most highly salubrious product of waste processed from red king crab fishing. Keywords: marine fisheries; aquatic organisms; brachyura; anomura; commercial crab species; red king crab; Kamchatka crab; processing waste; hepatopancreas; waste recycling; enzymes; proteases; hyaluronidase 1.
    [Show full text]
  • Crustacea, Decapoda, Dendrobranchiata and Caridea) from Off Northeastern Japan
    Bull. Natl. Mus. Nat. Sci., Ser. A, 42(1), pp. 23–48, February 22, 2016 Additional Records of Deep-water Shrimps (Crustacea, Decapoda, Dendrobranchiata and Caridea) from off Northeastern Japan Tomoyuki Komai1 and Hironori Komatsu2 1 Natural History Museum and Institute, Chiba, 955–2 Aoba-cho, Chiba 260–8682, Japan E-mail: [email protected] 2 Department of Zoology, National Museum of Nature and Science, 4–1–1 Amakubo, Tsukuba, Ibaraki 305–0005, Japan E-mail: [email protected] (Received 5 October 2015; accepted 22 December 2015) Abstract Four deep-water species of shrimps are newly recorded from off Tohoku District, northeastern Japan: Hepomadus gracialis Spence Bate, 1888 (Dendrobranchiata, Aristeidae), Pasiphaea exilimanus Komai, Lin and Chan, 2012 (Caridea, Pasiphaeidae), Nematocarcinus longirostris Spence Bate, 1888 (Caridea, Nematocarcinidae), and Glyphocrangon caecescens Anonymous, 1891 (Caridea, Glyphocrangonidae). Of them, the bathypelagic P. exilimanus is new to the Japanese fauna. The other three species are abyssobenthic, extending to depths greater than 3000 m, and thus have been rarely collected. The newly collected samples of H. gracialis enable us to reassess diagnostic characters of the species. Nematocarcinus longirostris is rediscovered since the original description, and the taxonomy of the species is reviewed. Glyphocrangon caecescens is the sole representative of the family extending to off northern Japan. Key words : Hepomadus gracialis, Pasiphaea exilimanus, Nematocarcinus longirostris, Glypho- crangon caecescens,
    [Show full text]
  • California “Epicaridean” Isopods Superfamilies Bopyroidea and Cryptoniscoidea (Crustacea, Isopoda, Cymothoida)
    California “Epicaridean” Isopods Superfamilies Bopyroidea and Cryptoniscoidea (Crustacea, Isopoda, Cymothoida) by Timothy D. Stebbins Presented to SCAMIT 13 February 2012 City of San Diego Marine Biology Laboratory Environmental Monitoring & Technical Services Division • Public Utilities Department (Revised 1/18/12) California Epicarideans Suborder Cymothoida Subfamily Phyllodurinae Superfamily Bopyroidea Phyllodurus abdominalis Stimpson, 1857 Subfamily Athelginae Family Bopyridae * Anathelges hyphalus (Markham, 1974) Subfamily Pseudioninae Subfamily Hemiarthrinae Aporobopyrus muguensis Shiino, 1964 Hemiarthrus abdominalis (Krøyer, 1840) Aporobopyrus oviformis Shiino, 1934 Unidentified species † Asymmetrione ambodistorta Markham, 1985 Family Dajidae Discomorphus magnifoliatus Markham, 2008 Holophryxus alaskensis Richardson, 1905 Goleathopseudione bilobatus Román-Contreras, 2008 Family Entoniscidae Munidion pleuroncodis Markham, 1975 Portunion conformis Muscatine, 1956 Orthione griffenis Markham, 2004 Superfamily Cryptoniscoidea Pseudione galacanthae Hansen, 1897 Family Cabiropidae Pseudione giardi Calman, 1898 Cabirops montereyensis Sassaman, 1985 Subfamily Bopyrinae Family Cryptoniscidae Bathygyge grandis Hansen, 1897 Faba setosa Nierstrasz & Brender à Brandis, 1930 Bopyrella calmani (Richardson, 1905) Family Hemioniscidae Probopyria sp. A Stebbins, 2011 Hemioniscus balani Buchholz, 1866 Schizobopyrina striata (Nierstrasz & Brender à Brandis, 1929) Subfamily Argeiinae † Unidentified species of Hemiarthrinae infesting Argeia pugettensis
    [Show full text]
  • First Record of the Introduced Sand Shrimp Species Crangon Uritai
    Marine Biodiversity Records, page 1 of 6. # Marine Biological Association of the United Kingdom, 2011 doi:10.1017/S1755267211000248; Vol. 4; e22; 2011 Published online First record of the introduced sand shrimp species Crangon uritai (Decapoda: Caridea: Crangonidae) from Newport, Port Phillip Bay, Victoria, Australia joanne taylor1 and tomoyuki komai2 1Museum Victoria, GPO Box 666, Melbourne, Victoria 3001, Australia, 2Natural History Museum and Institute, Chiba, 955-2 Aoba-cho, Chuo-ku, Chiba, 260-8682 Japan Three specimens of the crangonid sand shrimp species Crangon uritai are reported from the muddy intertidal zone of Newport in Port Phillip Bay, Victoria. The discovery of the species in the bay is the first record of the genus Crangon from Australian waters and the first report of the East Asian coastal species Crangon uritai from the southern hemisphere. Its status as an introduced species is suggested and the likely vector for introduction is discussed. A key to the identification of crangonid shrimp species from Port Phillip Bay is included. Keywords: Crustacea, Caridea, Crangonidae, Crangon, introduced species, Port Phillip Bay, Victoria, Australia Submitted 28 December 2010; accepted 28 January 2011 INTRODUCTION is known as the ‘warmies’ by local fishers. The shrimps were distinct from other species of Crangonidae previously The benthic fauna of Port Phillip Bay has been well studied reported from Port Phillip Bay and after comparison with including bay-wide surveys conducted as part of the Port specimens lodged in the Natural History Museum and Phillip Bay environmental studies (Poore et al., 1975; Institute, Chiba, Japan, have been determined as Crangon Wilson et al., 1998).
    [Show full text]
  • Distribution, Abundance, and Diversity of Epifaunal Benthic Organisms in Alitak and Ugak Bays, Kodiak Island, Alaska
    DISTRIBUTION, ABUNDANCE, AND DIVERSITY OF EPIFAUNAL BENTHIC ORGANISMS IN ALITAK AND UGAK BAYS, KODIAK ISLAND, ALASKA by Howard M. Feder and Stephen C. Jewett Institute of Marine Science University of Alaska Fairbanks, Alaska 99701 Final Report Outer Continental Shelf Environmental Assessment Program Research Unit 517 October 1977 279 We thank the following for assistance during this study: the crew of the MV Big Valley; Pete Jackson and James Blackburn of the Alaska Department of Fish and Game, Kodiak, for their assistance in a cooperative benthic trawl study; and University of Alaska Institute of Marine Science personnel Rosemary Hobson for assistance in data processing, Max Hoberg for shipboard assistance, and Nora Foster for taxonomic assistance. This study was funded by the Bureau of Land Management, Department of the Interior, through an interagency agreement with the National Oceanic and Atmospheric Administration, Department of Commerce, as part of the Alaska Outer Continental Shelf Environment Assessment Program (OCSEAP). SUMMARY OF OBJECTIVES, CONCLUSIONS, AND IMPLICATIONS WITH RESPECT TO OCS OIL AND GAS DEVELOPMENT Little is known about the biology of the invertebrate components of the shallow, nearshore benthos of the bays of Kodiak Island, and yet these components may be the ones most significantly affected by the impact of oil derived from offshore petroleum operations. Baseline information on species composition is essential before industrial activities take place in waters adjacent to Kodiak Island. It was the intent of this investigation to collect information on the composition, distribution, and biology of the epifaunal invertebrate components of two bays of Kodiak Island. The specific objectives of this study were: 1) A qualitative inventory of dominant benthic invertebrate epifaunal species within two study sites (Alitak and Ugak bays).
    [Show full text]
  • Benvenuto, C and SC Weeks. 2020
    --- Not for reuse or distribution --- 8 HERMAPHRODITISM AND GONOCHORISM Chiara Benvenuto and Stephen C. Weeks Abstract This chapter compares two sexual systems: hermaphroditism (each individual can produce gametes of either sex) and gonochorism (each individual produces gametes of only one of the two distinct sexes) in crustaceans. These two main sexual systems contain a variety of alternative modes of reproduction, which are of great interest from applied and theoretical perspectives. The chapter focuses on the description, prevalence, analysis, and interpretation of these sexual systems, centering on their evolutionary transitions. The ecological correlates of each reproduc- tive system are also explored. In particular, the prevalence of “unusual” (non- gonochoristic) re- productive strategies has been identified under low population densities and in unpredictable/ unstable environments, often linked to specific habitats or lifestyles (such as parasitism) and in colonizing species. Finally, population- level consequences of some sexual systems are consid- ered, especially in terms of sex ratios. The chapter aims to provide a broad and extensive overview of the evolution, adaptation, ecological constraints, and implications of the various reproductive modes in this extraordinarily successful group of organisms. INTRODUCTION 1 Historical Overview of the Study of Crustacean Reproduction Crustaceans are a very large and extraordinarily diverse group of mainly aquatic organisms, which play important roles in many ecosystems and are economically important. Thus, it is not surprising that numerous studies focus on their reproductive biology. However, these reviews mainly target specific groups such as decapods (Sagi et al. 1997, Chiba 2007, Mente 2008, Asakura 2009), caridean Reproductive Biology. Edited by Rickey D. Cothran and Martin Thiel.
    [Show full text]
  • An Annotated Checklist of the Marine Macroinvertebrates of Alaska David T
    NOAA Professional Paper NMFS 19 An annotated checklist of the marine macroinvertebrates of Alaska David T. Drumm • Katherine P. Maslenikov Robert Van Syoc • James W. Orr • Robert R. Lauth Duane E. Stevenson • Theodore W. Pietsch November 2016 U.S. Department of Commerce NOAA Professional Penny Pritzker Secretary of Commerce National Oceanic Papers NMFS and Atmospheric Administration Kathryn D. Sullivan Scientific Editor* Administrator Richard Langton National Marine National Marine Fisheries Service Fisheries Service Northeast Fisheries Science Center Maine Field Station Eileen Sobeck 17 Godfrey Drive, Suite 1 Assistant Administrator Orono, Maine 04473 for Fisheries Associate Editor Kathryn Dennis National Marine Fisheries Service Office of Science and Technology Economics and Social Analysis Division 1845 Wasp Blvd., Bldg. 178 Honolulu, Hawaii 96818 Managing Editor Shelley Arenas National Marine Fisheries Service Scientific Publications Office 7600 Sand Point Way NE Seattle, Washington 98115 Editorial Committee Ann C. Matarese National Marine Fisheries Service James W. Orr National Marine Fisheries Service The NOAA Professional Paper NMFS (ISSN 1931-4590) series is pub- lished by the Scientific Publications Of- *Bruce Mundy (PIFSC) was Scientific Editor during the fice, National Marine Fisheries Service, scientific editing and preparation of this report. NOAA, 7600 Sand Point Way NE, Seattle, WA 98115. The Secretary of Commerce has The NOAA Professional Paper NMFS series carries peer-reviewed, lengthy original determined that the publication of research reports, taxonomic keys, species synopses, flora and fauna studies, and data- this series is necessary in the transac- intensive reports on investigations in fishery science, engineering, and economics. tion of the public business required by law of this Department.
    [Show full text]
  • Larval Growth
    LARVAL GROWTH Edited by ADRIAN M.WENNER University of California, Santa Barbara OFFPRINT A.A.BALKEMA/ROTTERDAM/BOSTON DARRYL L.FELDER* / JOEL W.MARTIN** / JOSEPH W.GOY* * Department of Biology, University of Louisiana, Lafayette, USA ** Department of Biological Science, Florida State University, Tallahassee, USA PATTERNS IN EARLY POSTLARVAL DEVELOPMENT OF DECAPODS ABSTRACT Early postlarval stages may differ from larval and adult phases of the life cycle in such characteristics as body size, morphology, molting frequency, growth rate, nutrient require­ ments, behavior, and habitat. Primarily by way of recent studies, information on these quaUties in early postlarvae has begun to accrue, information which has not been previously summarized. The change in form (metamorphosis) that occurs between larval and postlarval life is pronounced in some decapod groups but subtle in others. However, in almost all the Deca- poda, some ontogenetic changes in locomotion, feeding, and habitat coincide with meta­ morphosis and early postlarval growth. The postmetamorphic (first postlarval) stage, here­ in termed the decapodid, is often a particularly modified transitional stage; terms such as glaucothoe, puerulus, and megalopa have been applied to it. The postlarval stages that fol­ low the decapodid successively approach more closely the adult form. Morphogenesis of skeletal and other superficial features is particularly apparent at each molt, but histogenesis and organogenesis in early postlarvae is appreciable within intermolt periods. Except for the development of primary and secondary sexual organs, postmetamorphic change in internal anatomy is most pronounced in the first several postlarval instars, with the degree of anatomical reorganization and development decreasing in each of the later juvenile molts.
    [Show full text]