 The most common prey that could be identified to the rank of species, were decapods namely Liocarcinus depurator and Galathea strigosa and mysids namely Anchialina agilis.But the compounds of the diet altered significantly with fish size.While the relatively small mysids were the most common prey for "T. draco" specimens under a size of 20 cm, their importance in the diet composition decreased with size, as the importance of amphipods did, too.