MEBIN Marine Environment Baseline Information Network

Reproductive biology of the three-spot swimming crab (Portunus sanguinolentus) from the west coast of Sri Lanka with a novel approach to determine the maturity stage of male gonads

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Title
Reproductive biology of the three-spot swimming crab (Portunus sanguinolentus...
Abstract

Aspects of the reproductive biology of Portunus sanguinolentus from the west coast of Sri Lanka were studied from February 2014 to January 2015. Berried females were observed throughout the year, confirming that they were continuous spawners; however, peak spawning was in October. The gonadosomatic index of females was significantly higher than the males (GLM; p < 0.05). Sex ratio fluctuated seasonally and a significantly higher male to female ratio was observed in October (χ2 test). Si...

Publication Date
Keywords
Crabs , Portunus sanguinolentus , Non Fin Fish , Resource Survey
Category
Resources Survey
environmental resources, protection and conservation. Examples: environmental pollution, waste storage and treatment, environmental impact assessment, monitoring environmental risk, nature reserves, landscape
Regions
M 5 , M 6
Owner
More info
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Language
English
Supplemental Information

Wimalasiri, H. B. U. G. M.  and Dissanayake, D.C.T. (2016) Reproductive biology of the three-spot swimming crab (Portunus sanguinolentus) from the west coast...

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