The sea bream lives in areas with sandy bottom or sometimes rocky, with vegetation. It does not go down more than 30-40 meters deep. Euryhaline fish enduring large variations in salinity: it is found in the mouths of rivers, in brackish ponds and in lagoons with reduced salinity. The sea bream is very sensitive to cold so sudden cooling can kill many. It protects herself by descending to greater depths.

The salmon sea is a fish with an elegant shape, vigorous, voracious, hunting from a hide, extremely suspicious. Relatively big-headed with an elongated body, a mouth in the terminal position without barbel and a highly visible lateral line extending to the caudal fin. It is ilver gray-colored, with bronze reflections on the back. The base of the fin is reddish brown and the cavity of the mouth is yellow-gold. The salmon sea is a fish living in warm to temperate waters, from Mauritania to Senegal and to the Bay of Biscay. Its carnivorous tastes and migrations lead him to come and breed in the Gironde estuary.

The sea bass, is an elegant fish, vigorous, voracious, hunting from a hide, extremely suspicious, littoral, looking for highly oxygenated water, able to penetrate and stay in fresh water, and even breed there. Its teeth are arranged on the anterior part of the vomer only, cycloid scales on the inter-orbital space, sometimes black speckles on the body of the young, rarely on the adults.