Zootaxa, Neobythitoides Serratus (Teleostei, Ophidiidae)

Total Page:16

File Type:pdf, Size:1020Kb

Zootaxa, Neobythitoides Serratus (Teleostei, Ophidiidae) Zootaxa 1227: 63–68 (2006) ISSN 1175-5326 (print edition) www.mapress.com/zootaxa/ ZOOTAXA 1227 Copyright © 2006 Magnolia Press ISSN 1175-5334 (online edition) Neobythitoides serratus, a new bathyal genus and species from the East China Sea (Teleostei, Ophidiidae) JØRGEN G. NIELSEN1 & YOSHIHIKO MACHIDA2 1Zoological Museum, Universitetsparken 15, DK-2100 Copenhagen, Denmark 2Faculty of Science, Kochi University, Akebono, Kochi 780-8520, Japan Abstract A new genus and species of Ophidiidae is described on the basis of two specimens from the East China Sea. It is characterized by the following combination of characters: body slender, opercular spine strong, eye small (twice in snout), hind margin of preopercle serrated, two median basibranchial tooth patches with or without a pair of small circular tooth patches, sagitta large with undivided sulcus and 10–11 long rakers on anterior gill arch. It seems most similar to Neobythites, from which it can be separated by the small horizontal diameter of eye window 2.5–2.7 % SL vs. 3.7–6.0 % SL, the serrated hind margin of preopercle vs. preopercle with 0–3 spines and no serration, and a sagitta with undivided sulcus vs. divided sulcus. Key words: Ophidiiformes, Ophidiidae, Neobythitoides serratus gen. et sp. nov., bathyal, East China Sea Introduction During a revision of the Indo-Pacific species of the genus Neobythites (Nielsen 2002) two specimens from the East China Sea, catalogued in the Department of Biology, Kochi University, as Neobythites sp., could not be assigned to Neobythites or any other ophidiid genus. The revision was based on about 1000 specimens and revealed the existence of 42 species. A comparison between the present material and that from the revision and furthermore the eight species from the Atlantic (Nielsen 1999) shows that the two specimens represent a species different from any of the 50 known Neobythites-species, based on the differences mentioned below. Therefore, to keep the new species within the genus Neobythites a new generic diagnosis would be required, an act that would make the definition of Neobythites unusually broad compared to other neobythitine genera. A phylogenetic analysis of the Neobythitinae needs to be made, but a comparison of the new Accepted by A. Gill: 10 May 2006; published: 9 Jun. 2006 63.
Recommended publications
  • Cusk Eels, Brotulas [=Cherublemma Trotter [E
    FAMILY Ophidiidae Rafinesque, 1810 - cusk eels SUBFAMILY Ophidiinae Rafinesque, 1810 - cusk eels [=Ofidini, Otophidioidei, Lepophidiinae, Genypterinae] Notes: Ofidini Rafinesque, 1810b:38 [ref. 3595] (ordine) Ophidion [as Ophidium; latinized to Ophididae by Bonaparte 1831:162, 184 [ref. 4978] (family); stem corrected to Ophidi- by Lowe 1843:92 [ref. 2832], confirmed by Günther 1862a:317, 370 [ref. 1969], by Gill 1872:3 [ref. 26254] and by Carus 1893:578 [ref. 17975]; considered valid with this authorship by Gill 1893b:136 [ref. 26255], by Goode & Bean 1896:345 [ref. 1848], by Nolf 1985:64 [ref. 32698], by Patterson 1993:636 [ref. 32940] and by Sheiko 2013:63 [ref. 32944] Article 11.7.2; family name sometimes seen as Ophidionidae] Otophidioidei Garman, 1899:390 [ref. 1540] (no family-group name) Lepophidiinae Robins, 1961:218 [ref. 3785] (subfamily) Lepophidium Genypterinae Lea, 1980 (subfamily) Genypterus [in unpublished dissertation: Systematics and zoogeography of cusk-eels of the family Ophidiidae, subfamily Ophidiinae, from the eastern Pacific Ocean, University of Miami, not available] GENUS Cherublemma Trotter, 1926 - cusk eels, brotulas [=Cherublemma Trotter [E. S.], 1926:119, Brotuloides Robins [C. R.], 1961:214] Notes: [ref. 4466]. Neut. Cherublemma lelepris Trotter, 1926. Type by monotypy. •Valid as Cherublemma Trotter, 1926 -- (Pequeño 1989:48 [ref. 14125], Robins in Nielsen et al. 1999:27, 28 [ref. 24448], Castellanos-Galindo et al. 2006:205 [ref. 28944]). Current status: Valid as Cherublemma Trotter, 1926. Ophidiidae: Ophidiinae. (Brotuloides) [ref. 3785]. Masc. Leptophidium emmelas Gilbert, 1890. Type by original designation (also monotypic). •Synonym of Cherublemma Trotter, 1926 -- (Castro-Aguirre et al. 1993:80 [ref. 21807] based on placement of type species, Robins in Nielsen et al.
    [Show full text]
  • Integrative Taxonomy Reveals a Rare and New Cusk-Eel Species of Luciobrotula (Teleostei, Ophidiidae) from the Solomon Sea, West Pacifi C
    European Journal of Taxonomy 750: 52–69 ISSN 2118-9773 https://doi.org/10.5852/ejt.2021.750.1361 www.europeanjournaloftaxonomy.eu 2021 · Wong M.-K. et al. This work is licensed under a Creative Commons Attribution License (CC BY 4.0). Research article urn:lsid:zoobank.org:pub:560648AD-81B8-464C-B408-6BA92BA086C8 Integrative taxonomy reveals a rare and new cusk-eel species of Luciobrotula (Teleostei, Ophidiidae) from the Solomon Sea, West Pacifi c Man-Kwan WONG 1, Mao-Ying LEE 2 & Wei-Jen CHEN 3,* 1,3 Institute of Oceanography, National Taiwan University, No.1, Sec. 4, Roosevelt Road, Taipei 10617, Taiwan. 2 Marine Fisheries Division, Fisheries Research Institute, Council of Agriculture, No. 199, Heyi Road, Keelung 202008, Taiwan. * Corresponding author: [email protected] 1 Email: [email protected] 2 Email: [email protected] 1 urn:lsid:zoobank.org:author:8369C501-1639-4467-BA9D-D274AE7CF15F 2 urn:lsid:zoobank.org:author:761CF9F8-ABD7-4DA5-9326-D4160526731C 3 urn:lsid:zoobank.org:author:4D399FDB-F893-422E-A8A2-ACC18F40FCFD Abstract . With six valid species, Luciobrotula is a small genus of the family Ophidiidae, commonly known as cusk-eels. They are benthopelagic fi shes occurring at depths ranging from 115–2300 m in the Atlantic, Indian, and Pacifi c Oceans. Among them, Luciobrotula bartschi is the only known species in the West Pacifi c. Three specimens of Luciobrotula were collected from the Philippine Sea, Bismarck Sea, and Solomon Sea in the West Pacifi c during the AURORA, PAPUA NIUGINI, and MADEEP expeditions under the Tropical Deep-Sea Benthos program, and all of them were initially identifi ed as L.
    [Show full text]
  • Development and Sexual Dimorphism of the Sonic System in Three Deep-Sea T Neobythitine fishes and Comparisons Between Upper Mid and Lower Continental Slope ⁎ Michael L
    Deep-Sea Research Part I 131 (2018) 41–53 Contents lists available at ScienceDirect Deep-Sea Research Part I journal homepage: www.elsevier.com/locate/dsri Development and sexual dimorphism of the sonic system in three deep-sea T neobythitine fishes and comparisons between upper mid and lower continental slope ⁎ Michael L. Finea, , Heba A. Alia,1, Thanh Kim Nguyena,1, Hin-Kiu Mokb,c, Eric Parmentierd a Department of Biology, Virginia Commonwealth University, Richmond, VA 23284, United States b Institute of Marine Biology and Asia-Pacific Ocean Research Center, National Sun Yat-sen University, Kaohsiung 80424, Taiwan c National Museum of Marine Biology and Aquarium, 2 Houwan Road, Checheng, Pingtung 944, Taiwan d Université de Liège, Laboratoire de Morphologie Fonctionnelle et Evolutive, Institut de Chimie - B6C Sart Tilman, 4000 Liège, Belgium ARTICLE INFO ABSTRACT Keywords: Based on morphology, NB Marshall identified cusk-eels (family Ophidiidae) as one of the chief sound-producing Swimbladder groups on the continental slope. Due to food scarcity, we hypothesized that sonic systems will be reduced at Muscles great depths despite their potential importance in sexual reproduction. We examined this hypothesis in the cusk- Tendons eel subfamily Neobythitinae by comparing sonic morphology in Atlantic species from the upper-mid (Dicrolene Sexual dimorphism intronigra) and deeper continental slope (Porogadus miles and Bathyonus pectoralis) with three Taiwanese species Sound production previously described from the upper slope (Hoplobrotula armatus, Neobythites longipes and N. unimaculatus). In all Acoustic communication Eye development six species, medial muscles are heavier in males than in females. Dicrolene has four pairs of sonic muscles similar to the shallow Pacific species, suggesting neobythitine sonic anatomy is conservative and sufficient food exists to maintain a well-developed system at depths exceeding 1 km.
    [Show full text]
  • Marine Middle Eocene Fish Otoliths from India and Java
    BULLETIN DE L'INSTITUT ROYAL DES SCIENCES NATURELLES DE BELGIQUE, SCIENCES DE LA TERRE, 62: 195-221, 1992 BULLETIN VAN HET KONINKLIJK BELGISCH INSTITUT VOOR NATUURWETENSCHAPPEN, AARDWETENSCHAPPEN, 62: 195-221, 1992 Marine Middle Eocene fish Otoliths from India and Java by Dirk NOLF and Sunil BAJPAI Abstract Introduction Otoliths collected from the Harudi Formation (Lutetian) of Kachchh, The tropical Indo-West Pacific seas are known for yiel• Western India and from the Nanggulan Formation (Early Bartonian) ding the most diverse present day marine fish fauna. of Nanggulan, Java, revealed the presence of respectively 15 and 24 This diversity strongly contrasts with the almost com• teleost taxa. Seven new species are introduced: "genus Brotulinarum" plete ignorance of fossil fishes from the same areas. For siremboides, Apogon lownsendoides, "genus Apogonidarum" alttssi- mus, Lactarius nonfungus, "genus Menidarum" occultus, "genus the otolith-based faunal reconstructions, the literature is Percoideorum" pseudatherina and "genus Percoideorum" sciaenoi- restricted to twelve short papers only. Four are on Neo¬ des. Both associations reveal very shallow neritic environments. They gene fossils (FROST, 1925; VORSTMAN, 1927; STINTON, are compared with a previously described neritic Middle Eocene oto• 1949 and 1962), four on fresh water material from the lith association from central Western Pakistan, and a combined list of all (43) taxa represented in the three associations is provided. Conside• Deccan Trap associated sediments (PRASAD & KHAJU- ring the restricted sampling, the number (8) of taxa occuring at more RIA, 1990; SHING RANA, 1988, 1990; SHING RANA & than one locality is remarkable, and one can probably conclude that SAHNI, 1989) and two on problematic Cenomanian we sampled several of the most common and widespread teleosts inha• microfossils (GOWDA, 1964 and 1967).
    [Show full text]
  • Revision Des Escepes Fossiles (Pisces, Teleostei)
    Meded. Werkgr. Tert.Kwart. Geol. vol. 17 (2) pp. 71 -195 8 fig., 2 tab., 20 pi. Rotterdam, juni 1980 Etude monographiques des otolithes des Ophidiiformes actuels et revision des escepes fossiles (Pisces, Teleostei) par Dirk Nolf Rijks Universiteit Gent Nolf, D. Etude monographiquedes otolithes des Ophidiiformes actuels et revision des especes fossiles (Pisces, Teleostei). [Monograph of Recent Ophidiiform otoliths with a revision of the fossil species (Pisces, Teleos- tei)]. - Meded. Werkgr. Tert. Kwart. Geol., 17 (2): 71 - 195, 8 fig., 2 tab., 20 pi. Rotterdam, Juin 1980. The fauna of Recent Ophidiiformes is composed mainly of bathybenthic fishes, but a few neritic and pelagic forms also occur. During the Paleo- neritic gene, the Ophidiiformes were represented by a very rich fauna living mainly on soft and muddy subtrata. Therefore, one must consider the recent species as relicts of a formerly much more considerable of group. The otoliths 70 of the 82 accepted actual genera are figured and the systematic position of the nominal fossil species is revised in the light of the knowledge acquired through the study of the recent forms. Twelve new fossil species are introduced: Onuxodon coheni, Onuxodon kiriakoffi, Brotula aquitanica, ‘genus Lepophidiinorum’steurbauti, Ho- plobrotula greenwoodi, Hoplobrotula robusta, ’genus Sirembinorum’ cappettaensis, ‘genus Sirembinorum’ ringeadei, genusNeobythitinorum’ boulangeri, ‘genus Neobythitinorum’ longissimus, ‘genus Neobythiti- norum’ fitchi and Oligopus bassolii. Dr. D. Nolf, Laboratoriumvoor Palaeontologie, Rijks Universiteit Gent, Krijgslaan 271, B-9000 Gent, Belgique. Table des matières: 72 Résumé, p. Introduction, p. 72 nomenclature des otolithes 75 Remarques préliminaires sur la fossiles, p. 75 Etude systématique des espèces actuelles, p.
    [Show full text]
  • Raneya Robins, 1961
    click for previous page 44 FAO Species Catalogue Vol. 18 List of species Parophidion schmidti (Woods and Kanazawa, 1951). Bermuda, the Bahamas and southern Florida to northern South America. Uncommon. P. v as s al i (Risso, 1810). Mediterranean Sea and adjacent northeastern Atlantic. Uncommon. RaneyaRobins,1961 Type species: Lepophidium fluminense Miranda-Ribeiro, 1903 by original designation. Synonyms: None. Number of recognized species: 1. Fig. 43 Raneya brasiliensis (after Menni and López, 1974) Diagnosis and description: Scales on body in regular but non-overlapping rows, some anguilloid, becoming anguilloid in pattern on belly and flanks in front of anus, top of head from interorbit to nape and sides of head with non-imbricate scales, snout, subocular area and chin and throat naked; ethmoid spine short but strong; gill chamber dark; esophagus dark and intestines and stomach pale; no pyloric caeca; males with posterior opening on swimbladder; dorsal-fin rays 111 to 135; anal-fin rays 93 to 105; pectoral-fin rays 19 to 23; gill rakers 2 or 3 rudiments above, 4 or 5 developed rakers below on first arch (total 6 to 8); vertebrae 14 or 15 precaudal, 48 to 51 caudal, 62 to 66 total. Revisions: Robins (1985). Geographical distribution: Southern Brazil (near Ilha Rasa) to northern Argentina (Puerto Quequén). Habitat and biology: Benthic in coastal waters. Uncommon. Interest to fisheries: Of minor commercial importance. Size: At least 310 mm. List of nominal species Raneya brasiliensis (Kaup, 1856a). Information see above. R. fluminense (Miranda-Ribeiro, 1903) (junior synonym of R. brasiliensis). 2.4.4 Subfamily Neobythitinae Subfamily name: Neobythitinae Radcliffe (1913).
    [Show full text]
  • Redalyc.Peces Ophidiiformes Del Atlántico Occidental Tropical Con
    Biota Colombiana ISSN: 0124-5376 [email protected] Instituto de Investigación de Recursos Biológicos "Alexander von Humboldt" Colombia Garrido-Linares, Manuel; Acero P., Arturo Peces Ophidiiformes del Atlántico occidental tropical con especial énfasis en el mar Caribe colombiano Biota Colombiana, vol. 7, núm. 2, 2006, pp. 283-299 Instituto de Investigación de Recursos Biológicos "Alexander von Humboldt" Bogotá, Colombia Disponible en: http://www.redalyc.org/articulo.oa?id=49170207 Cómo citar el artículo Número completo Sistema de Información Científica Más información del artículo Red de Revistas Científicas de América Latina, el Caribe, España y Portugal Página de la revista en redalyc.org Proyecto académico sin fines de lucro, desarrollado bajo la iniciativa de acceso abierto Biota Colombiana 7 (2) 283 - 299, 2006 Peces Ophidiiformes del Atlántico occidental tropical con especial énfasis en el mar Caribe colombiano Manuel Garrido-Linares1 y Arturo Acero P.2 1 Calle 129 # 54 A 41, Bogotá-Colombia. [email protected] 2 Instituto de Ciencias Naturales, Universidad Nacional de Colombia, Apartado 1016 (INVEMAR), Santa Marta-Colom- bia. [email protected] Palabras Clave: Ophidiiformes, Lista de Especies, Caribe, Colombia, Atlántico Occidental tropical El orden Ophidiiformes es un grupo de peces cidos. Entre los principales trabajos están Rosen y Patter- marinos, estuarinos y dulceacuícolas que se caracterizan son (1969), quienes ubican a estos peces dentro del orden por tener 0-2 radios en la aleta pélvica ubicada bajo la Gadiformes, Gosline (1968, 1971), quien los ubica dentro parte anterior de la cabeza, al nivel del opérculo o delante de los Perciformes, y finalmente Cohen y Nielsen (1978), de él generalmente muy juntos entre sí, aleta dorsal y anal quienes le otorgan el nivel taxonómico de orden Ophidii- muy largas y a menudo continuas con la caudal, y aletas formes; luego Patterson y Rosen (1989) documentan una con radios suaves (Nelson 1994, Nielsen et al.
    [Show full text]
  • Comparative Morphology and Phylogenetic Systematics of the Family Ophidiidae and Related Taxa (Teleostei: Title Ophidiiformes) [An Abstract of Entire Text]
    Comparative morphology and phylogenetic systematics of the family Ophidiidae and related taxa (Teleostei: Title Ophidiiformes) [an abstract of entire text] Author(s) 大橋, 慎平 Citation 北海道大学. 博士(水産科学) 甲第11322号 Issue Date 2014-03-25 Doc URL http://hdl.handle.net/2115/55362 Type theses (doctoral - abstract of entire text) Note この博士論文全文の閲覧方法については、以下のサイトをご参照ください。 Note(URL) https://www.lib.hokudai.ac.jp/dissertations/copy-guides/ File Information Shinpei_Ohashi_summary.pdf Instructions for use Hokkaido University Collection of Scholarly and Academic Papers : HUSCAP 博士論文の要約 博士の専攻分野の名称:博士(水産科学) 氏名:大橋 慎平 学 位 論 文 題 目 Comparative morphology and phylogenetic systematics of the family Ophidiidae and related taxa (Teleostei: Ophidiiformes) (アシロ科およびその近縁群の比較形態学および系統分類学に関する研究) Introduction The family Ophidiidae (sensu Cohen and Nielsen, 1978), included in the suborder Ophidioidei with the family Carapidae, is characterized by having the supramaxilla, pelvic fins with one or two soft rays (pelvic fins absent in Brotulotaeninae), dorsal and anal fins with long bases joined with the caudal fin and scales on the head and body. Ophidiid fishes are distributed in tropical and subtropical seas around the world, and known to have extremely wide vertical distributions, from tide pools to deep waters exceeding 8,000 m (Nielsen et al., 1999). Ophidiidae was classified into four subfamilies, Brotulinae, Brotulotaeninae, Ophidiinae and Neobythitinae by Cohen and Nielsen (1978), and subsequent studies (e.g., Nielsen et al. 1999; Lea and Robins, 2003; Nelson, 2006) have followed the classification. However, this classification is not based on the cladistic approach, and no synapomorphies to support the monophyly of this family and subfamilies have been suggested. On the contrary, the possibilities that this family and subfamilies were not monophyletic groups were suggested by morphological and molecular studies (Miya et al., 2003; Prokofiev, 2004).
    [Show full text]
  • Fao Species Catalogue
    ISSN 0014-5602 FAOFisheriesSynopsisNo.125,Volume18 FAOSPECIESCATALOGUE Volume18 OPHIDIIFORMFISHESOFTHEWORLD (OrderOphidiiformes) Anannotatedandillustratedcatalogueofpearlfishes,cusk-eels, brotulas andotherophidiiformfishesknowntodate FAO Fisheries Synopsis No. 125, Volume 18 FIR/S125 Vol. 18 FAO SPECIES CATALOGUE Volume 18 OPHIDIIFORM FISHES OF THE WORLD (Order Ophidiiformes) An annotated and illustrated catalogue of pearlfishes, cusk-eels, brotulas and other ophidiiform fishes known to date by Jørgen G. Nielsen Daniel M. Cohen Zoological Museum Los Angeles County Museum and University of Copenhagen California Academy of Sciences Denmark California, USA (Introduction, Ophidiidae [excl. Ophidiinae], Bythitidae, Aphyonidae) Douglas F. Markle C. Richard Robins Department of Wildlife and Fisheries Natural History Museum Oregon State University University of Kansas Oregon, USA Kansas, USA (Carapidae) (Ophidiinae) FOOD AND AGRICULTURE ORGANIZATION OF THE UNITED NATIONS Rome, 1999 The designations employed and the presentation of material in this publication do not imply the expression of any opinion whatsoever on the part of the Food and Agriculture Organization of the United Nations concerning the legal status of any country, territory, city or area or of its authorities, or concerning the delimitation of its frontiers or boundaries. M-40 ISBN 92-5-104375-2 All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechani- cal, photocopying or otherwise, without the prior permission of the copyright owner. Applications for such permission, with a statement of the purpose and extent of the reproduction, should be addressed to the Director, Information Division, Food and Agriculture Organization of the United Nations, Viale delle Terme di Caracalla, 00100 Rome, Italy.
    [Show full text]
  • Fish Collected During the Corindon Ii and Iv Expeditions
    Mar. Res. Indonesia Vol.24, 1984: 89-103 FISH COLLECTED DURING THE CORINDON II AND IV EXPEDITIONS by P. FOURMANOIR 1) INTRODUCTION The check-list of the fish collected during the CORINDON expedi- tions (COR. II: 20 sampling stations in the Makassar Strait; COR. IV: 7 stations in Piru and Ambon Bay in the Moluccas) 2) is composed out of 110 species. Most of them are coming from depths between 250 m and 600 m; a dozen of species were found at less deep stations; two Apodes, of which one is the very rare Promyllantor, were collected at a 1000 m depth. The Ophidiiformes, the Pleuronectiformes and the Peristediidae are making a very interesting collection because of their great number of species. Among the Percophidae, Bembrops filifera is reported for the first time outside its location in Hawaii; Acanthaphrites grandisquamis was known before only in the Arafura Stea and in the south of the China Sea. One will notice the big size of the Polyipnus spinifer and Astronesthes luicifer specimens. The collection has been divided between the National Museum of Natural History of Paris and the Lembaga Oseanologi Nasional of Jakarta, excepting two or three species represented by a single specimen. So the only specimen of Branchiostegus is in Paris, while the rare Psychrolutes inermis is in Jakarta. 1) Marine biologist from GRSTOM, Laboratoire d'ichtyologie generale du Museum National d'Histoire Naturelle, 57, rue Cuvier. Paris, 75005. 2) The detailed check-list of the stations can be found in the Report on the Corindon Cruises by M.K. MOOSA.
    [Show full text]
  • Fishes of the World
    Fishes of the World Fishes of the World Fifth Edition Joseph S. Nelson Terry C. Grande Mark V. H. Wilson Cover image: Mark V. H. Wilson Cover design: Wiley This book is printed on acid-free paper. Copyright © 2016 by John Wiley & Sons, Inc. All rights reserved. Published by John Wiley & Sons, Inc., Hoboken, New Jersey. Published simultaneously in Canada. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, scanning, or otherwise, except as permitted under Section 107 or 108 of the 1976 United States Copyright Act, without either the prior written permission of the Publisher, or authorization through payment of the appropriate per-copy fee to the Copyright Clearance Center, 222 Rosewood Drive, Danvers, MA 01923, (978) 750-8400, fax (978) 646-8600, or on the web at www.copyright.com. Requests to the Publisher for permission should be addressed to the Permissions Department, John Wiley & Sons, Inc., 111 River Street, Hoboken, NJ 07030, (201) 748-6011, fax (201) 748-6008, or online at www.wiley.com/go/permissions. Limit of Liability/Disclaimer of Warranty: While the publisher and author have used their best efforts in preparing this book, they make no representations or warranties with the respect to the accuracy or completeness of the contents of this book and specifically disclaim any implied warranties of merchantability or fitness for a particular purpose. No warranty may be createdor extended by sales representatives or written sales materials. The advice and strategies contained herein may not be suitable for your situation.
    [Show full text]
  • A Rare Species of Deep Sea Cusk Eel (Ophidiiformes; Ophidiidae) from Indian EEZ
    Indian Journal of Marine Sciences Vol. 38(2), June 2009, pp. 166-169 Redescription of Dicrolene nigricaudis (Alcock, 1899) a rare species of deep sea cusk eel (Ophidiiformes; Ophidiidae) from Indian EEZ Sherine Sonia Cubelio, Jinson Joseph, S. Venu, A.V. Deepu & B. Madhusoodana Kurup School of Industrial Fisheries, Cochin University of Science and Technology, Fine Arts Avenue, Cochin-682 016, Kerala India. [E.mail: [email protected]] Received 11 August 2008; revised 31 december 2008 Dicrolene nigricaudis (Alcock, 1899), a rare species of deep sea cusk eel described from Andaman Sea and Arabian Sea in 1899 is redescribed and compared with its closely related species, D. tristis in terms of meristics and morphometrics in order to establish its individual taxonomic identity. The specimens were collected during the fishery survey cruises of FOR V Sagar Sampada along the continental slope of Indian EEZ. D. nigricaudis is characterized by two median and a pair of basibranchial tooth patches and lower elongated free rays of pectoral fin. The paper highlights the taxonomic characters useful for species identification. [Keywords : fish, cruise, continental slope, demersal, pelvic, gill rakers] Introduction meristic characters 6, but due to insufficient The first authentic record of the deep-sea fishes knowledge of the intraspecific variation the key is from India was made with the help of fishes collected difficult to use 4. According to the prevailing by R.I.M.S Investigator in the book "Indian deep sea classification, four species viz, D. nigricaudis, D. fishes in the Indian museum” 1. Investigation on the tristis, D. vaillanti and D.
    [Show full text]