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Spatial structure of the pink speckled deep-sea shrimp Penaeopsis serrata (Bate, 1881) (Decapoda, Penaeidae) during November-December 2009 in the Colombian Caribbean Sea

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The objective of this study is to describe the patterns of abundance in spatial distribution of the pink speckled deep-sea shrimp Penaeopsis serrata (Bate, 1881) in the Colombian Caribbean Sea. Data were collected by trawling at depths between 100 and 550 m. Significant differences between sexes were found, revealing sexual dimorphism; males were smaller than females. The size structure for females showed an increase in relation to depth. The higher biomass of P. serrata was found between 350 and 450 m, which suggests that this species inhabits narrow depth strata. Due to the temporally limited data, we cannot predict the overall vulnerability of the species. Circumannual data are needed to suggest necessary actions of protection, in order to guarantee a sustainable management of P. serrata and conservation of its fisheries.


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