Scientia Marina, Vol 63, No 3-4 (1999)

Genetic homogeneity of dolphinfish (Coryphaena hippurus) in the western Mediterranean and the eastern Atlantic


https://doi.org/10.3989/scimar.1999.63n3-4337

Carles Pla
Laboratori d’Ictiologia Genètica. Departament de Biologia. Universitat de Girona, Spain

Josep Martí Pujolar
Laboratori d’Ictiologia Genètica. Departament de Biologia. Universitat de Girona, Spain

Abstract


Dolphinfish (Coryphaena hippurus) is an epipelagic, highly migratory species distributed worldwide in tropical and temperate waters including the Mediterranean Sea. Protein electrophoresis analyses can provide knowledge of the genetic population structure of the species and therefore be used as a tool for fishery management. Areas sampled include the islands of Majorca and Sicily in the western Mediterranean and the Canary Islands in the eastern Atlantic. The results of the protein electrophoresis reveal a level of genetic variability similar to other highly migratory species. No differences were found among locations, and it was not possible to reject the null hypothesis of one panmictic population in the area studied.

Keywords


dolphinfish; Coryphaena hippurus; protein electrophoresis; population genetics; Mediterranean Sea; Eastern Atlantic

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