In order to better characterize the genetic diversity of Cetaceans and especially the common Dolphin from the Bay of Biscay, sequences from the mitochondrial Cytochrome B region were obtained from water samples acquired close to groups of dolphins.

In order to better characterize the genetic diversity of Cetaceans and especially the common Dolphin from the Bay of Biscay, sequences from the variable mitochondrial control region were obtained from water samples acquired close to groups of dolphins.

In order to better characterize the fish biodiversity associated to the presence of cetaceans, especially the common Dolphin, from the Bay of Biscay, sequences from a 16S fragment were obtained from water samples acquired close to groups of dolphins.