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Chrysogorgia from the New England and Corner Seamounts: Atlantic–Pacific connections

Published online by Cambridge University Press:  23 September 2011

Eric Pante  and
Les Watling
Eric Pante
Affiliation:
Department of Biology, University of Louisiana at Lafayette, Lafayette, LA 70504, USA
Les Watling*
Affiliation:
Department of Zoology, University of Hawaii at Manoa, Honolulu, HI 96822, USA
*
Correspondence should be addressed to: L. Watling, Department of Zoology, University of Hawaii at Manoa, Honolulu, HI 96822, USA email: watling@hawaii.edu
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Abstract

Recent exploration of the New England and Corner Seamounts revealed four new species of Chrysogorgia, described here using a combination of molecular and morphological data. These four species are characterized by a sinistral spiral, a character that, with one known exception, has only been reported for Pacific species. In addition, two species have a sclerite composition typical of the Pacific (‘squamosae typicae’). This faunal connection between the Atlantic and the Pacific is confirmed by analysis of the mitochondrial msh1 gene. The exceptional preservation of specimens collected with remotely operated vehicles allows us to discuss the effect of growth on some morphological characters.

Keywords

Chrysogorgiamorphometricsallometric growthmsh1connectivityscleritegrowthbarcodebenthic surveyremotely operated vehicle
Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 92 , Issue 5 , August 2012 , pp. 911 - 927
Copyright
Copyright © Marine Biological Association of the United Kingdom 2011

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