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Journal of Environmental Biology

pISSN: 0254-8704 ; eISSN: 2394-0379 ; CODEN: JEBIDP

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        Abstract - Issue Jul 2008, 29 (4)                                                                                                             Back



Abstract

Population biology and feeding habits of the nephropid lobster
Metanephrops thomsoni (Bate, 1888) in the East China Sea

Jung Hwa Choi*1, Jung Nyun Kim1, Mi Hyang Kim2, Dae Soo Chang1, Joon Taek Yoo3 and Jin Koo Kim1

1Fisheries Resources Research Team, National Fisheries Research and Development Institute, Busan 619-705, Korea
2Marine Eco-Technology Institute, Busan 608-804, Korea
3Jeju Fisheries Research Institute, National Fisheries Research and Development Institute, Jeju 690-190, Korea

(Received: February 22, 2007; Revised received: December 19, 2007;? Accepted: December 26, 2007)

Abstract: Population biology and feeding habits of the nephropid lobster Metanephrops thomsoni (Bate) was studied from a field survey sampled with bottom trawls in the East China Sea. The female/male ratio was 1.06:1. Three size-class groups were discriminated for both sexes, which may correspond to one to three year-old cohorts. The average stage fecundity was 471 in each brood. Larger than two-year-size-class females are multi broods during the breeding season. Gut analysis showed that this lobster is a common carnivore and mainly consume crustaceans and fishes, regardless of sex and carapace length size.

Key words: Metanephrops thomsoni, Population biology, Feeding habitats, East China Sea

PDF of full length paper is available with author (choijh@momaf.go.kr)

 

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