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Swimming deep-sea holothurians (Echinodermata: Holothuroidea) on the northern Mid-Atlantic Ridge

Swimming deep-sea holothurians (Echinodermata: Holothuroidea) on the northern Mid-Atlantic Ridge
Swimming deep-sea holothurians (Echinodermata: Holothuroidea) on the northern Mid-Atlantic Ridge
The ability to swim was recorded in 17 of 32 species of deep-sea holothurians during the RRS James Cook
ECOMAR cruise in 2010 to the Mid-Atlantic Ridge. Holothurians were observed, photographed, and video recorded using the ROV Isis at four sites around the Charlie-Gibbs Fracture Zone at approximate depths of 2,200–2,800 m. For eleven species swimming is reported for the first time. A number of swimming species were observed on rocks, cliffs and steep slopes with taluses. These habitats are unusual for deep-sea holothurians, which are traditionally common on flat areas with soft sediment rich in detritus. Three species were found exclusively on cliffs. Swimming may provide an advantage in cliff habitats that are inaccessible to most epibenthic deposit-feeders.
sea cucumbers, benthopelagic species, diversity, Northern Atlantic Ocean
1178-9905
213-224
Rogacheva, Antonina
243fa2a0-f901-4dce-95aa-41afc762a2d7
Gebruk, Andrey
3a68e3c9-76d7-451a-bf50-69d1a2e69ad1
Alt, Claudia H.S.
aa8e3324-b74b-4678-b0e0-1cc1b1b80517
Rogacheva, Antonina
243fa2a0-f901-4dce-95aa-41afc762a2d7
Gebruk, Andrey
3a68e3c9-76d7-451a-bf50-69d1a2e69ad1
Alt, Claudia H.S.
aa8e3324-b74b-4678-b0e0-1cc1b1b80517

Rogacheva, Antonina, Gebruk, Andrey and Alt, Claudia H.S. (2012) Swimming deep-sea holothurians (Echinodermata: Holothuroidea) on the northern Mid-Atlantic Ridge. Zoosymposia, 7, 213-224.

Record type: Article

Abstract

The ability to swim was recorded in 17 of 32 species of deep-sea holothurians during the RRS James Cook
ECOMAR cruise in 2010 to the Mid-Atlantic Ridge. Holothurians were observed, photographed, and video recorded using the ROV Isis at four sites around the Charlie-Gibbs Fracture Zone at approximate depths of 2,200–2,800 m. For eleven species swimming is reported for the first time. A number of swimming species were observed on rocks, cliffs and steep slopes with taluses. These habitats are unusual for deep-sea holothurians, which are traditionally common on flat areas with soft sediment rich in detritus. Three species were found exclusively on cliffs. Swimming may provide an advantage in cliff habitats that are inaccessible to most epibenthic deposit-feeders.

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More information

Published date: 2012
Keywords: sea cucumbers, benthopelagic species, diversity, Northern Atlantic Ocean
Organisations: Ocean and Earth Science

Identifiers

Local EPrints ID: 362314
URI: http://eprints.soton.ac.uk/id/eprint/362314
ISSN: 1178-9905
PURE UUID: a5b68336-cfa2-45dc-94aa-20bcc79d565f

Catalogue record

Date deposited: 26 Feb 2014 14:49
Last modified: 11 Dec 2021 03:39

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Contributors

Author: Antonina Rogacheva
Author: Andrey Gebruk
Author: Claudia H.S. Alt

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