longspine swimming crab

Portunus est un genre de crabes de la famille des Portunidae. Il comporte près de cent espèces actuelles dans cinq sous-genres et plus de 40 fossiles. Liste des espèces Sous-genre Portunus (Achelous) De Haan, 1833 Portunus angustus Rathbun, 1898 Portunus brevimanus (Faxon, 1895) Portunus depressifrons (Stimpson, 1859) Portunus dubius (Laurie, 1906) Portunus elongatus A.

Bycatch (or by-catch), in the fishing industry, is a fish or other marine species that is caught unintentionally while fishing for specific species or sizes of wildlife. Bycatch is either the wrong species, the wrong sex, or is undersized or juveniles of the target species. The term "bycatch" is also sometimes used for untargeted catch in other forms of animal harvesting or collecting.

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