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Journal of Ichthyology and Aquatic Biology aqua Journal of Ichthyology and Aquatic Biology Vol. 6 (3), February 2003 Aquapress ISSN 0945-9871 aqua - Journal of Ichthyology and Aquatic Biology Managing Editor: Scope and aims Heiko Bleher aqua is an international journal which publishes original Via G. Falcone 11, 27010 Miradolo Terme (PV), Italy scientific articles in the fields of systematics, taxonomy, Tel.: +39 0382 754707/08 - Fax: +39 0382 754129 bio geography, ethology, ecology, and general biology of e-mail: [email protected] fishes, amphibians, aquatic invertebrates, and plants. Papers on freshwater, brackish, and marine organisms Scientific Editor: will be considered. aqua is fully refereed and aims at publishing manuscripts within 2-4 months of acceptance. Dr. Walter Ivantsoff With the publi cation of aqua we are pursuing a new con- Senior Research Fellow, cept: In view of the importance of colour patterns in Department of Biological Sciences, species identi fication and animal ethology, authors are Macquarie University, N.S.W. 2109, Australia encouraged to submit colour illustrations as well as Tel. +61 2 9850 8167 - Fax +61 2 9869 8886 descriptions of coloration. It is our aim to provide e-mail: [email protected] the international scientific community with an efficiently published series meeting high scientific and technical Editorial Board: standards. Gerald R. Allen, I Dreyer Road Roleystone, W. A. Australia 6111 Call for papers George W. Barlow, Department of Integrative Biology, The editors welcome the submission of original manu- University of California, Berkeley, CA 94720-3140, scripts which should be sent directly to the scientific U.S.A. editor. Full length research papers and short notes will be considered for publication. There are no page charges Henri J. Dumont, Rijksuniversiteit Gent, Laboratorium and colour illustrations will be published free of charge. voor Ecologie der Dieren, Zoogeografie en Natuur - behoud, K. L. Ledeganckstraat, 9000 Gent, Belgium Authors will receive 50 free reprints of each paper. Jacques Géry, Chemin du Plantier, 24200 Sarlat, France Subscription Notice Frank Kirschbaum, Institut für Gewässerökologie und A volume (4 issues) of aqua will be published each year, Binnenfischerei, Abt. 4 Forschungsverbund Berlin e. V. each issue comprising 48 pages (includ ing cover). Müggelseedamm 310, 12587 Berlin, Germany The annual subscription rate is US$ 25.00 plus postage Friedhelm Krupp, Forschungsinstitut Senckenberg, US$ 10.00 / Euro 26,00 plus postage Euro 10,50 (prior- Senckenberganlage 25, 60325 Frankfurt am Main, Ger- ity postage US$ 16.00/Euro 17,00). many Subscription enquires should be sent to the address given below or our e-mail: [email protected] Christian Lévêque, CNRS - Programme Environnement Vie et Sociétès, 1 Place Aristide Briand, 92195 Paris Cédex, France Volker Mahnert, Muséum d’Histoire Naturelle, Route de Malagnou 1, 1211 Genève 6, Switzerland Robert R. Miller, University of Michigan, Museum of Zoology, Ann Arbor, Michigan 48109, U.S.A. Paolo Parenti, Department of Enviromental Sciences, University of Milan-Bicocca, Piazza della Scienza 1, I-20126 Milan, Italy John E. Randall, Bishop Museum, 1525 Bernice Street, P.O. Box 19000-A, Honolulu, Hawaii, U.S.A. Wolfgang Schneider, Hessisches Landesmuseum, Darmstadt, Friedensplatz 1, 64283 Darmstadt, Germany Lothar Seegers, Grenzstraße 47b, 46535 Dinslaken, Germany Wolfgang Villwock, Universität Hamburg, Zoologisches ISSN 0945-9871 Publisher: Aquapress, Redazione aqua, Institut und Zoologisches Museum, Martin-Luther-King- Platz 3, 20146 Hamburg, Germany I-27010 Miradolo Terme (Pavia), Italy Printer: Grafiche Dessí s.r.l., (Torino) Italy Chem Yi-yu, Institute of Hydrobiology, Academia Sinica, Typesetting: Rossella Bulla Wuhan Hubei, P. R. China © 2003 aqua, Journal of Ichthyology and Aquatic Biology aqua, Journal of Ichthyology and Aquatic Biology Shore fishes of Navassa Island, West Indies: a case study on the need for rotenone sampling in reef fish biodiversity studies Bruce B. Collette1, Jeffrey T. Williams2, Christine E. Thacker3, and Michael L. Smith4 1) National Marine Fisheries Service Systematics Laboratory, National Museum of Natural History, Washington, DC 20560-0153, USA. E-mail: [email protected] 2) Division of Fishes, Department of Systematic Biology, National Museum of Natural History, Washington, DC 20560-0159, USA. E-mail: [email protected] 3) Los Angeles County Museum of Natural History, 900 Exposition Blvd., Los Angeles, CA 90007, USA. E-mail: [email protected] 4) Center for Applied Biodiversity Science, Conservation International, 1919 M St NW, Washington, DC 20036, USA. E-mail: [email protected] Accepted: 20.12.2002 Keywords Navassa, like Bermuda and the western Caribbean Navassa; Caribbean; West Indies; reef fishes; atolls, lacks families associated with the continental rotenone; biodiversity; Chaenopsidae shelf such as toadfishes, searobins, and snooks. Navassa also lacks families associated with shallow “To fully protect the national parks, we must first seagrass beds and forage fishes such as herrings and understand what they contain.” anchovies. Navassa has similar numbers of gobioids Thomas A. Kiernan, (14 vs. 19 species in Bermuda), damselfishes (9 vs. President, National Parks Conservation 10), surgeonfishes (3), triggerfishes (5 vs. 6), squir- Association, 2000 relfishes (7 vs. 8), and cardinalfishes (11 vs. 12); but fewer eels (14 vs. 32), jacks (7 vs. 17), grunts (3 vs. 7), Abstract wrasses (10 vs. 16), snappers (4 vs. 11), parrotfishes We occupied 38 fish stations at Navassa Island in (9 vs. 13), and serranids (21 vs. 29); and more April-May 1999: 22 rotenone collections, mostly by blennioids (24 vs. 11), plus clingfishes (6) and jaw- scuba diving; 4 night light/dip net stations; 5 hook and fishes (2), families that are absent from Bermuda. line, trolling and hand-lining stations; and 7 visual underwater surveys. Eight new cryptic species were Zusammenfassung collected with rotenone - five blennioids, two cling- In der Zeit von April bis Mai 1999 besetzten wir 38 fishes, and a goby. Five have already been described Fischfangstationen an der Navassa Insel: 22 Rotenon- and three are described in papers currently in press. Fangstationen, hauptsächlich durch SCUBA Tauch - New information is given on the behaviour and life gänge; 4 Nachtlicht / Senknetz – Stationen ; 5 Angel – colours of one of the recently described blennioids, Stationen zum Schlepp- und Handangeln; und 7 Sta- Emblemaria vitta. tionen für visuelle Unterwassererauswertungen. Acht We collected or recorded 224 species of fishes from neue kryptische Arten wurden mit Rotenon gefangen – 66 families, verifying most earlier records and adding fünf Blennioiden, zwei Saugfische und eine Meeres- another 160 species, making a current total of 237 grundel. Fünf sind bereits beschrieben worden und drei species known from Navassa. Of the 224 species sind in gegenwärtig zu veröffentlichen Artikeln recorded, 102 (45.5%) were taken only with rotenone, beschrie ben. Neue Information über das Verhalten und and 56 others were collected using rotenone and Lebendfärbung einer der vor kurzem beschriebenen other techniques. Thus a total of 158 species (70.5%) Blennioiden, Emblemaria vitta, wird gegeben. were collected using rotenone, supporting the need Wir sammelten oder erfassten 224 Fischarten aus 66 for this technique in obtaining a complete inventory. Familien, bestätigten die meisten früheren Aufzeich- Most fishes found at Navassa are reef-associated nungen und fügten weitere 160 Arten hinzu, so dass species that are widely distributed in the Caribbean gegenwärtig eine Gesamtzahl von 237 Arten von Sea. Navassa is relatively depauperate when com- Navassa bekannt ist. Von den 224 erfassten Arten, wur- pared with Bermuda (433 species of fishes) and four den 102 (45.5 %) ausschließlich mit Rotenon gesam- western Caribbean oceanic atolls (273 fishes). melt, und 56 weitere Arten wurden durch den Einsatz Navassa shares 140 fish species with Bermuda and von Rotenon und anderen Methoden gefangen. Insge- 139 fish species with the western Caribbean atolls. samt wurden 158 Arten (70.5%) durch den Gebrauch 89 aqua vol. 6 no. 3 - 2003 Shore fishes of Navassa Island, West Indies: a case study on the need for rotenone sampling in reef fish biodiversity studies von Rotenon gesammelt, was den Einsatz dieser Fang- sons avec les Bermudes et 139 avec les atolls occiden- methode zum Erhalt einer kompletten Bestandsauf- taux. Navassa, tout comme les Bermudes et lesdits nahme unterstützt. Die meisten bei Navassa gefunde- atolls, est dépourvue de familles associées au plateau nen Fische sind an Riffen lebende Arten, die im continental comme les poissons - crapauds, les Karibischen Meer weit verbreitet sind. Die Fischfauna grondins et les brochets de mer. Navassa ignore aussi der Navassa Insel ist relativ artenarm im Vergleich zu les familles associées aux herbiers de faible profondeur Bermuda (433 Fischarten) und zu vier ozeanischen et les poissons fouilleurs comme les harengs et les Atollen in der westlichen Karibik (273 Fischarten). Ein- anchois. Navassa compte un nombre similaire de gob- hundertvierzig der Fischarten von Navassa kommen idés (14 contre 19 aux Bermudes), de demoiselles (9 ebenfalls in Bermuda and 139 Arten in den westlichen contre 10), de chirurgiens (3), de balistes (5 contre 6), karibischen Atollen vor. Bei Navassa, genau wie in de poissons - écureuils (7 contre 8) et d'apogons (11 Bermuda und in den westlichen karibischen Atollen, contre 12); mais moins d'anguilles
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