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First records of golden trevally (Gnathodon speciosus, Carangidae), sharp-tail mola (Masturus lanceolatus, Molidae) and evidence for white shark (Carcharodon carcharias, Lamnidae) in the Galápagos Islands, Ecuador

Published online by Cambridge University Press:  27 October 2010

V.L.G. Todd  and
J.S. Grove
V.L.G. Todd*
Affiliation:
Ocean Science Consulting Ltd, Ocean House, 4 Brewery Lane, Belhaven, Dunbar, East Lothian, EH42 1PD, Scotland, UK Institute of Sound and Vibration Research, University of Southampton, University Road, Southampton, S017 1BJ, UK
J.S. Grove*
Affiliation:
Section of Fishes, Natural History Museum of Los Angeles County, 900 Exposition Boulevard, Los Angeles, CA 90007, USA Zegrahm Expeditions, 192 Nickerson St #200 Seattle, WA 98109, USA
*
Correspondence should be addressed to: V.L.G. Todd, Ocean Science Consulting Ltd, Ocean House, 4 Brewery Lane, Belhaven, Dunbar, East Lothian, EH42 1PD, Scotland, UK email: [email protected]
J.S. Grove, Section of Fishes, Natural History Museum of Los Angeles County, 900 Exposition Boulevard, Los Angeles, CA 90007, USA email: [email protected]
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Abstract

In 1995, a complete survey of the fish collection in the Charles Darwin Research Station (CDRS) Museum (Galápagos Islands, Ecuador) was undertaken. Five specimens represented possible new records to the archipelago, but insufficient material was available at CDRS to confirm identification. On 5 November 2007, the specimens were removed from the CDRS fish collection under licence from the Parque Nacional Galápagos (PNG) on loan to the Los Angeles County Museum of Natural History (LACM). Identification of all species was confirmed using comparative LACM voucher specimens, including X-rays, scientific keys and other resources, which were, at the time, unavailable to scientists at the CDRS. Four of the five specimens were incorrectly identified in 1995, the fifth, the golden trevally, Gnathodon speciosus, is the first confirmed record of this species for the Galápagos. One of the originally mis-identified specimens, the longnose anchovy (Anchoa nasus), proved to be A. ischana (sharpnose anchovy), and A. nasus can now be eliminated as a verified record from the islands. The first confirmed record of the sharp-tail mola, Masturus lanceolatus, for the archipelago is also presented based on photographic and video evidence. The first physical evidence of the white shark, Carcharodon carcharias, in the Galápagos Archipelago based on discovery of a tooth and C14 analysis, is presented.

Keywords

golden trevallysharp-tail molawhite sharkGalápagos IslandsEcuador
Type
Research Article
Information
Marine Biodiversity Records , Volume 3 , June 2010 , e104
Copyright
Copyright © Marine Biological Association of the United Kingdom 2010

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