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New species of holothurian (Echinodermata: Holothuroidea) from hydrothermal vent habitats

Published online by Cambridge University Press:  01 April 2000

A.V. Smirnov ,
A.V. Gebruk ,
S.V. Galkin  and
T. Shank
A.V. Smirnov
Affiliation:
Zoological Institute, Russian Academy of Sciences, Universitetskaya Nab. 1, 199034 St. Petersburg, Russia
A.V. Gebruk
Affiliation:
P.P. Shirshov Institute of Oceanology, Russian Academy of Sciences, Nakhimovsky Pr. 36, 117851 Moscow, Russia
S.V. Galkin
Affiliation:
P.P. Shirshov Institute of Oceanology, Russian Academy of Sciences, Nakhimovsky Pr. 36, 117851 Moscow, Russia
T. Shank
Affiliation:
Institute of Marine and Coastal Sciences, Rutgers University, 71 Dudley Road, New Brunswick, NJ 08901-8521, USA
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Abstract

A new holothurian species Chiridota hydrothermica (Apodida: Chiridotidae) is described, restricted to hydrothermal vent habitats. The new species is known from the west Pacific (Manus and North Fiji Basins) and the South East Pacific Rise, between 17 and 21°S. The unusual large, lobe-like tentacles of this holothurian, uncommon in the family Chiridotidae, could be an adaptation to facilitate shifts between suspension- and deposit-feeding in the hydrothermal environment. A brief review of all known records of holothurians and other echinoderms at hydrothermal vents is given.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 80 , Issue 2 , April 2000 , pp. 321 - 328
Copyright
© 2000 Marine Biological Association of the United Kingdom

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