Nature is wonderful, see photos of natural things that looks exactly like female sx organ but not
Shellfish is a colloquial and fisheries term for exoskeleton – bearing aquatic invertebrates used as foods including various species of molluscs, crustacean and echinoderms.
Although most kinds of Shellfish are harvested from saltwater environments, some are found in freshwater. In addition a few species of land crabs are eaten, for example carfisoning guanhumi in the Caribbean. Shellfish are among the most food allergens. The picture above represents a shellfish.
Mussel is the common name used for members of several families of bivalve molluscs, from saltwater and freshwater habitats. These groups have in common a shell whose outline is elongated and asymmetrical compared with other edible clans which are often more or less founded or oval.
Domain : Eukaryota, Kingdom : Animalia, Phylum : Mollusca, Class : Bivalvia