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Age and growth of the squid Todaropsis eblanae (Cephalopoda: Ommastrephidae) on the north-west African shelf

Published online by Cambridge University Press:  01 August 2000

Alexander I. Arkhipkin  and
Vladimir V. Laptikhovsky
Alexander I. Arkhipkin
Affiliation:
Falkland Islands Government Fisheries Department, PO Box 598, Stanley, Falkland Islands, E-mail: [email protected]
Vladimir V. Laptikhovsky
Affiliation:
Falkland Islands Government Fisheries Department, PO Box 598, Stanley, Falkland Islands, E-mail: [email protected]
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Abstract

Length composition, maturation and growth of the ommastrephid squid Todaropsis eblanae were studied using length–frequency distributions (LFDs) and statoliths of squid caught off the north-west African coast. Length–frequency distributions were quite similar in all seasons studied, indicating all year round spawning. However, both high proportions of mature squid in the winter and the hatching peak of squid from our sample in spring suggested the winter–spring peak of spawning. Immature and maturing squid had rather high growth rates, attaining 140—150 mm of dorsal mantle length (ML) by the age of 160—170 d. Todaropsis eblanae is likely to have an annual life cycle on the north-west African shelf.

Type
Brief Report
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 80 , Issue 4 , August 2000 , pp. 747 - 748
Copyright
2000 Marine Biological Association of the United Kingdom

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