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Reproductive dynamics of a swimming crab (Monomia haanii) in the world’s crab basket
Fisheries Research ( IF 2.4 ) Pub Date : 2021-04-01 , DOI: 10.1016/j.fishres.2020.105828
Bai-an Lin , Robert Boenish , Jacob P. Kritzer , Yan Jiang , Song-lin Wang , Min Liu

Abstract Red swimming crab Monomia haanii is an important export fishery in southern China. M. haanii is mainly sold as lump crabmeat, generating an annual trade of tens of millions of US dollars over the last decade. For such a commercially important crab species, little attention has been paid to the sustainable use of the stocks and there remains much to learn about its biology and ecology. Monthly fishery-dependent samplings were conducted from August 2018 to April 2019 from bottom trawler catches obtained in the southern Taiwan Strait waters to characterize the biological attributes of M. haanii (N = 3222 individuals). Growth parameters, fecundity, sex ratios and maturity ogives were estimated, and spawning dynamics were characterized. The overall male: female ratio was 1: 1.07; however, significant variations monthly were detected (p p > 0.05). These results provide the first in-depth characterization of M. haanii and may pave a way towards the first M. haanii stock assessment.
更新日期:2021-04-01
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