Tuna bycatch observer data.

Tuna observer data from the Atlantic and Indian Ocean.

Dataseries collected for tropical tuna fisheries and research of tuna and associated species.

Balbaya is a detailed data base that contains all the data on catches , effort and measurements of French tropical tuna fishing. The data are obtained from the AVDTH database to which the species composition of catches is corrected and the the sample sizes are homogenized. Balbaya contains data for the Atlantic Ocean and the Indian Ocean from 1991 to 2010.