Female description of the hydrothermal vent cephalopod Vulcanoctopus hydrothermalis

Type Article
Date 2008-03
Language English
Author(s) Gonzalez A1, Guerra A1, Pascual S1, Segonzac Michel2
Affiliation(s) 1 : CSIC, ECOBIOMAR, Inst Invest Marinas, Vigo 36208, Spain.
2 : IFREMER, Ctr Brest, Lab Environm Profond, F-29280 Plouzane, France.
Source Journal of the Marine Biological Association of the United Kingdom (0025-3154) (Cambridge), 2008-03 , Vol. 88 , N. 2 , P. 375-379
DOI 10.1017/S0025315408000647
WOS© Times Cited 10
Keyword(s) Female description, Vulcanoctopus hydrothermalis, Cephalopods, Hydrothermal vent
Abstract During biological sampling of hydrothermal vents on the East Pacific Rise, the manned submersible 'Nautile' caught the first female of the endemic cephalopod Vulcanoctopus hydrothermalis. The specimen caught at the vent site Gromit (21 degrees 33 66'S, 114 degrees 17 98'W at 2832 m depth) is described here in detail and an amended diagnosis of the species proposed. The external morphology, measurements and internal structure resemble that Of males of this species. One of the most remarkable characters is the lack of spermathecae and the absence of apical filaments in the oocytes to provide a site for sperm storage. It is suggested that some species of the genera Benthoctopus and Bathypolypus would be the most suitable octopod ancestor of V. hydrothermalis.
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