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Aqua, International Journal of Ichthyology aqua International Journal of Ichthyology Vol. 14 (2), 14 April 2008 Aquapress ISSN 0945-9871 aqua - International Journal of Ichthyology Managing Editor: Scope Heiko Bleher aqua is an international journal which publishes original Via G. Falcone 11, scientific articles in the fields of systematics, taxonomy, 27010 Miradolo Terme (PV), Italy biogeography, ethology, ecology, and general biology of Tel.: +39-0382-754707 fishes. Papers on freshwater, brackish, and marine fishes Fax: +39-0382-754129 will be considered. aqua is fully refereed and aims at pub - E-mail: [email protected] lishing manuscripts within 2-4 months of acceptance. In view of the importance of color patterns in species iden - tification and animal ethology, authors are encouraged to Scientific Editor: submit color illustrations in addition to descriptions of coloration. It is our aim to provide the international sci - Friedhelm Krupp entific community with an efficiently published journal Curator of Fishes meeting high scientific and technical standards. Senckenberg Research Institute and Natural History Museum Call for papers Senckenberganlage 25 60325 Frankfurt am Main, Germany The editors welcome the submission of original manu - Tel: +49-69-7542.1255 scripts which should be sent in digital format to the scien - Fax: +49-69-7542.1253 tific editor. Full length research papers and short notes will E-mail: [email protected] be considered for publication. There are no page charges and color illustrations will be published free of charge. Editorial Assistants: Authors will receive one free copy of the issue in which Ilka Weidig, Nadia Manasfi their paper is published and an e-print in PDF format. Tel: +49-69-7542.1583 Subscription Notice Editorial Board: At least one volume (4 issues) of aqua is being published per year, each issue comprising 48 pages (including cover). Gerald R. Allen The subscription rate (for one volume = 4 issues) is Department of Aquatic Zoology, from volume 12 on: Personal subscription: Euro 75,00 Western Australian Museum, Perth, Australia (incl. priority mail); Institutional subscription: Euro 140,00 (incl. priority mail) . Subscription enquires should be sent Nina G. Bogutskaya to the publisher at the address given below or by e-mail Zoological Institute of the Russian Academy of to: [email protected] Sciences, St. Petersburg, Russia aqua binder Wilson J. E. M. Costa Binders for Volumes of aqua are available at cost price Laboratório de Ictiologia Geral e Aplicada, Euro 12,50 (US$ 15.00) plus postage Euro 8,00 (US$ Departamento de Zoologia, 10.00). Notice: aqua Volumes 1(1)-5(4) = 1st. binder; Universidade Federal do Rio de Janeiro, Brasil Volumes 6(1)-9(4) = 2nd. binder; Volumes 10(1)-13(4) = 3rd. binder. Axel Meyer Lehrstuhl für Zoologie und Evolutionsbiologie, Universität Konstanz, Germany Special Publication Since 2003 Aquapress publishes a series of Special Publi - Paolo Parenti cations, which are produced at irregular intervals. All Spe - Department of Enviromental Sciences, cial Publications have about 100 or more pages and are University of Milano-Bicocca, Milan, Italy available separately from regular issues of aqua . Enquiries about subscriptions and prices should be sent to the pub - Mário de Pinna lisher at the address given here above or by e-mail to: Museu de Zoologia da USP, São Paulo, Brazil [email protected] t John E. Randall Bishop Museum, Honolulu, Hawaii, U.S.A. ISSN 0945-9871 Publisher: Aquapress, Redazione aqua, Richard Winterbottom I-27010 Miradolo Terme (Pavia), Italy Centre of Biodiversity & Conservation Biology, Printer: PRINTO s.r.o. – Czech Republic Royal Ontario Museum, Copyediting and layout: Rossella Bulla Toronto, Canada © 2008 aqua , International Journal of Ichthyology aqua vol. 14 no. 2 - 14 April 2008 aqua, International Journal of Ichthyology A pictorial review of the Indo-Pacific labrid fish genus Pseudocoris, with description of a new species from the Coral Sea John E. Randall 1 and Fenton Walsh 2 1) Bishop Museum, 1525 Bernice St., Honolulu, HI 96817-2704, USA Email: [email protected] 2) Northern Barrier Marine Life, 29 Miles St., Cairns, Qld. 4870, Australia Email: [email protected] Received: 26 October 2007 – Accepted: 18 January 2008 Abstract phases adultes. Des photos couleurs sont fournies, de Pseudocoris aequalis is described as a new species of labrid juvéniles, de mâles en phase initiale et en phase terminale, fish collected from 8-15 m depth at Holmes Reef in the des cinq autres espèces du genre, avec des notes sur leur Coral Sea. The description is based on six specimens, four as distribution. Pseudocoris aurantiofasciata est signalé, pour terminal males, 100-112 mm SL, and two as males in the la première fois, en Australie, sur base d’un mâle en phase initial phase, 82 and 89 mm SL. The new species is distinct terminale, collecté à Holmes Reef. in lacking an elevated anterior part of the dorsal in the ter - minal-male phase, and the color pattern of both adult Sommario phases. Color photographs are provided of the juveniles, ini - Pseudocoris aequalis è descritta come nuova specie di tial-phase, and terminal males of the five other species of the labride raccolta a profondità di 8-15 m a Holmes Reef nel genus, with notes on their distribution. Pseudocoris aurantio - Mar dei Coralli. La descrizione è basata su sei esemplari, fasciata is recorded for the first time for Australia, based on quattro maschi terminali di 100-112 mm SL e due maschi a terminal male collected at Holmes Reef. nella fase iniziale di 82 and 89 mm SL. La nuova specie si distingue per la colorazione di entrambe le fasi adulte e Zusammenfassung perché il maschio in fase terminale non ha la parte anteri - Pseudocoris aequalis wird als neue Art der Lippfische ore della pinna dorsale elevata. Sono incluse fotografie a beschrieben, deren Vertreter in 8 bis 15 m Tiefe über dem colori degli stadi giovanili, iniziali e terminali maschili Holmes-Riff im Korallenmeer (Coral Sea) gesammelt wur - delle altre cinque specie del genere con note sulla loro dis - den. Sechs Exemplare dienten der Beschreibung zur Grund - tribuzione. Pseudocoris aurantiofasciata è segnalata per la lage: vier ausgewachsene Männchen mit 110-112 mm SL prima volta in Australia sulla base di un maschio terminale und zwei junge Männchen mit 82 und 89 mm SL. Die neue raccolto a Holmes Reef. Art unterscheidet sich dadurch, dass in der Phase des voll erwachsenen Tieres der Rücken vorne nicht erhaben ist und INTRODUCTION bei beiden Stadien ein anderes Farbmuster zu sehen ist. Auf The Indo-Pacific labrid fish genus Pseudocoris was Farbfotos werden junge Männchen, solche des ersten proposed by Bleeker (1862) for a species he first Erwachsenen-Stadiums und solche der endgültigen Erwach - described as Julis (Halichoeres ) heteropterus in 1857 senen-Phase zu allen weiteren fünf Arten der Gattung gezeigt, zusammen mit Anmerkungen zu ihrer Verbreitung. from the Molucca Islands. The genus is similar to Pseudocoris aurantiofasciata wird auf der Grundlage eines voll Coris Lacépède, 1801, and some authors, such as erwachsenen Männchens vom Holmes-Riff zum ersten Mal Norman (1957), have treated Pseudocoris as a syn - für Australien belegt. onym of Coris . The two genera differ principally in dentition. The canine teeth of the species of Résumé Pseudocoris are smaller, the upper pair laterally Pseudocoris aequalis est décrit en tant que nouvelle espèce curved; there is no canine at the corner of the de labridé, collectée à une profondeur de 8 à 15 m, à mouth, and there are no enlarged pharyngeal teeth. Holmes Reef, dans la mer de Corail. La description se base sur six spécimens, quatre mâles adultes en phase terminale, Pseudocoris is believed to be an evolutionary off - 100-112 mm de LS, et deux mâles en phase initiale, 82-89 shoot from Coris for feeding on zooplankton. The mm de LS. La nouvelle espèce se distingue par l’absence species of Coris are benthic feeders on hard-shelled d’une partie antérieure prolongée de la dorsale pour le invertebrates, hence the need for strong nodular or mâle en phase terminale et le patron de coloration des deux molariform pharyngeal teeth, a feature not present 45 aqua vol. 14 no. 2 - 14 April 2008 A pictorial review of the Indo-Pacific labrid fish genus Pseudocoris, with description of a new species from the Coral Sea in fishes that feed primarily on zooplankton. Guichenot, 1868 type species P. furcifer (Valenci - Other differences in Pseudocoris related to its food ennes, 1828). They appear to have arisen from the habits include a smaller mouth, shorter snout, and grouper stock of the genus Cephalopholis Bloch & the eye lower on the head (so predators can be seen Schneider, 1801, as indicated by the hybridization from below as well as above). However, the species of C. fulva (Linnaeus, 1758) and P. furcifer (Smith of Pseudocoris have not attained all of the morpho - 1966, Bostrom et al. 2002). logical features that are usually found in zooplank - Hubrecht (1876) described the second species of ton feeders. For example, their premaxilla is not Pseudocoris as Coris bleekeri, also from the Molucca more protrusible than the species of Coris , in gen - Islands. Schmidt (1931) named the third valid eral, and the gill rakers are not more numerous and species as Julis yamashiroi from a male specimen longer. There are several examples of plankton- from the Ryukyu Islands. He described J. awayae feeding fishes in different families that have in the same paper, now known to be the female of evolved from benthic-feeding ancestors (Davis & the species and regarded as the junior synonym. Birdsong 1973). The most noteworthy are the two Fourmanoir (1971) described the fourth species as New World species of the genus Paranthias P. aurantiofasciata from the Tuamotu Archipelago. Fig. 1. Terminal male of Pseudocoris aurantiofasciata , BPBM 14987, 163 mm SL, Tetiaroa Atoll, Society Islands.
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