Distribution of cephalopods from plankton surveys around the British Isles.

Collins, M.A., Yau, C., Boyle, P.R., Friese, D. and Piatkowski, Uwe (2002) Distribution of cephalopods from plankton surveys around the British Isles. Open Access Bulletin of Marine Science, 71 . pp. 239-254.

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Abstract

Cephalopods (n = 515) were identified from a series of plankton and fine meshed mid-water trawls, taken between 1977 and 1999, around the British Isles. The collections were not directed at cephalopods, but provide valuable information on the distribution of planktonic species and on the paralarvae of the benthic species. The most abundant species in neritic areas were the octopod Eledone cirrhosa and the sepiolids, Sepietta oweniana and Sepiola atlantica. Eledone cirrhosa were common in samples to the north and west of Scotland, particularly in early summer. The mantle lengths of E. cirrhosa were 4–8 mm, indicating a brief planktonic existence or, perhaps, net avoidance by larger specimens. In the shelf-break collections from the west of Scotland and Ireland the squids Brachioteuthis spp., Gonatus sp., Teuthowenia megalops and rynchoteuthions of the Ommastrephidae were abundant. Two types of rhynchoteuthion were found and were probably Todarodes sagittatus, Illex coindetii or Todaropsis eblanae. Despite the abundance of Loligo forbesi around the British Isles, it was rarely taken in plankton collections, probably indicating that it does not have a planktonic paralarva.

Document Type: Article
Keywords: POSEIDON; POS191; POS195; POS203; POS213; POS224; POS225; ALKOR; CLUPEA; HEINKE; Walter Herwig; SCOTIA; SARS; ANTON DOHRN; CHALLENGER; AL24; AL122; AL52; AL73; AL88; AL119; AL135;
Research affiliation: OceanRep > GEOMAR > FB3 Marine Ecology > FB3-EV Marine Evolutionary Ecology
Refereed: Yes
Open Access Journal?: No
ISSN: 0007-4977
Expeditions/Models/Experiments:
Date Deposited: 18 Feb 2008 17:25
Last Modified: 21 Jan 2019 15:11
URI: http://oceanrep.geomar.de/id/eprint/2311

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