They also have a raw bar with mussels, clams and oysters.
They are somewhat remote from the sea mussels in structure, and have not even a common economic importance.
Such movement is more frequent in young mussels than in the full-grown.
The sheltered waters of the broken southern coast, however, are rich in fish and molluscs, especially in mussels, limpets and barnacles, which are the principal food resource of the nomadic Indian tribes of those regions.
Over 40 species of freshwater mussels (Unionidae) have been observed in the Rumanian rivers.