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Title: Study of reproductive aspects of Trachurus trachurus (Linnaeus, 1758) from western coast of Algeria
Authors: Gherram, Malika
Talet, Ahmed Bensahla
Dalouche, Fatiha
Ayad, Sidi Mohammed El Amine Abi
Keywords: Western coast of Algeria;Trachurus trachurus;Sex ratio;Length at first maturity;Spawning period
Issue Date: Dec-2018
Publisher: NISCAIR-CSIR, India
Abstract: In the present work, the reproductive study of the fish species Trachurus trachurus (Linnaeus, 1758) in Algeria, was investigated which is important for fishery resources and conservation management. 1495 samples were collected from Oran Bay (Western coast of Algeria) between July 2010 and June 2011. This paper provides values of sizes at first sexual maturity (L50) that were estimated for males at 18.42 cm and females 18.28 cm, respectively. The spawning period for the population extends from January to May and the spawning peak occurs from January to March. However, the factor of condition (K) increased in summer during the sexual resting phase. This factor is weak in winter during the period of reproduction. Regarding the sex ratio, there was no significant difference in the number of males and females.
Page(s): 2469-2476
ISSN: 0975-1033 (Online); 0379-5136 (Print)
Appears in Collections:IJMS Vol.47(12) [December 2018]

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