BENTHOCTOPUS RIGBYAE, N. SP., A NEW SPECIES OF CEPHALOPOD (OCTOPODA; INCIRRATA) FROM NEAR THE ANTARCTIC PENINSULA

被引：14

作者：

Vecchione, Michael ^{[1
]}

Allcock, Louise ^{[2
,5
]}

Piatkowski, Uwe ^{[3
]}

Strugnell, Jan ^{[2
,4
]}

机构：

[1] Natl Museum Nat Hist, Natl Marine Fisheries Serv, Systemat Lab, Washington, DC 20560 USA

[2] Queens Univ Belfast, Sch Biol Sci, Belfast BT9 7BL, Antrim, North Ireland

[3] Univ Kiel, Inst Marine Res, D-24105 Kiel, Germany

[4] British Antarctic Survey, NERC, Cambridge CB3 0ET, England

[5] Natl Univ Ireland, Martin Ryan Inst Marine Sci, Galway, Ireland

来源：

MALACOLOGIA | 2009年 / 51卷 / 01期

基金：

英国自然环境研究理事会;

关键词：

deep-sea; Southern Ocean; Octopodidae; Antarctica; SOUTHERN-OCEAN; ATLANTIC; SEA; DNA;

D O I：

10.4002/040.051.0102

中图分类号：

Q95 [动物学];

学科分类号：

071002 ;

摘要：

Among the many octopods collected during recent Antarctic trawling surveys were 93 specimens of an undescribed octopod with biserial suckers. Although most similar in appearance to the sub-Antarctic Benthoctopus levis (Hoyle 1885), these octopods differed in several morphological characters, including arm length, web depth, and details of the hectocotylus. Furthermore, molecular evidence supports the separation of the present material from known species. We therefore describe a new species named Benthoctopus rigbyae. These octopods attain mantle lengths of at least 105 mm (400 mm total length), and they are common at depths of 250-600 m throughout the South Shetland Island chain off the Antarctic Peninsula. We present some information on the biology of this species.

引用

页码：13 / 28

页数：16

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