Growth and reproduction of the squid Illex coindetii Verany, 1839 in the central Mediterranean Sea

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Σημασιολογικός εμπλουτισμός/ομογενοποίηση από το EKT

2017 (EL)
Growth and reproduction of the squid Illex coindetii Verany, 1839 in the central Mediterranean Sea (EN)

MILONE, N.
CERIOLA, L.

University of Bari (Italy) (EN)
PhD Study funded by Regione Puglia (Italy) (EN)

Life span, growth and cost of reproduction of Illex coindetii were examined for the first time in the southern Adriatic Sea, central Mediterranean Sea. Age and growth were investigated through statoliths reading. Cost of reproduction was explored by studying the relative investment between somatic and gonad growth. The life span of I. coindetii was less than nine months in both sexes. Females (128-234 days) showed longer life span than males (124-178 days). In both sexes the linear model best described the mantle length-at age data, while the exponential model provided the best fit to the total weight-at-age data. In terms of mantle length, females grew faster than males (average growth rate was 1.33 mm day- 1 in females and 1.00 mm day-1 in males). In terms of total weight, no significant differences were highlighted between growth curves of males and females. Mantle length, total weight, mantle weight and fin weight increased up to the latest maturity stage in both sexes. Immature and maturing individuals showed poorer body condition than mature counterparts in both sexes. Some evidences of a reproductive strategy more similar to a multiple-spawning than to a single-spawning species were found. (EN)

info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Statoliths reading, macroscopic gonads measurements (EN)

reproductive strategy (EN)
direct ageing methods (EN)
Adriatic Sea. (EN)
Marine biology (EN)
Gonad maturity (EN)
growth (EN)
statoliths analysis (EN)
squid (EN)

Ελληνικό Κέντρο Θαλασσίων Ερευνών (ΕΛΚΕΘΕ) (EL)
Hellenic Centre for Marine Research (HCMR) (EN)

Mediterranean Marine Science

2017-10-12


Hellenic Centre for Marine Research (EN)

March-April 2006 (EN)
Adriatic Sea, central Mediterranean Sea (EN)
monthly sampling on board of fishing vessels (EN)

1791-6763
1108-393X
Mediterranean Marine Science; Vol 18, No 1 (2017); 107-120 (EL)
Mediterranean Marine Science; Vol 18, No 1 (2017); 107-120 (EN)

Copyright (c) 2017 Mediterranean Marine Science (EN)



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