On distribution, size and maturity of shortfin squids (Cephalopoda, Ommastrephidae) in the North Sea.

Oesterwind, Daniel, Piatkowski, Uwe and Brendelberger, Heinz (2015) On distribution, size and maturity of shortfin squids (Cephalopoda, Ommastrephidae) in the North Sea. Marine Biology Research, 11 (2). pp. 188-196. DOI 10.1080/17451000.2014.894246.

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Abstract

Cephalopods are important predators and key organisms in numerous marine ecosystems, but their abundance in the North Sea, one of the most productive shelf seas, seems to be low. Here we report on three Ommastrephidae (Illex coindetii, Todarodes sagittatus, and Todaropsis eblanae) that have been caught on several North Sea cruises between 2007 and 2010. T. eblanae was most abundant (n = 269 specimens), followed by I. coindetii (n = 95) and T. sagittatus (n = 51). We provide new information on their distribution patterns for summer and winter and relate the species abundances to sampling depth, temperature and salinity. Further information is given on the species size, distributions, maturation and possible spawning sites and times in the North Sea. Although occurring in relatively low numbers, our study suggests that Ommastrephidae are distributed throughout most parts of the northern and central North Sea, underpinning their constancy and potential influence on the ecosystem.

Document Type: Article
Additional Information: WOS:000345920300007
Keywords: Distribution and abundance; Illex; North Sea; Ommastrephidae; shortfin squid; Todarodes; Todaropsis
Research affiliation: OceanRep > GEOMAR > FB3 Marine Ecology > FB3-EV Marine Evolutionary Ecology
Refereed: Yes
Open Access Journal?: No
DOI etc.: 10.1080/17451000.2014.894246
ISSN: 1745-1000
Projects: Future Ocean
Date Deposited: 07 Jan 2015 07:00
Last Modified: 25 Jun 2018 11:20
URI: http://oceanrep.geomar.de/id/eprint/26746

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