1. Burrowing marine mollusk living on sand or mud.
2. Flesh of either hard-shell or soft-shell clams.
Common name for a bivalve mollusk. The giant clam Tridacna gigas of the Indopacific can grow to 1 m/3 ft across in 50 years and weigh, with the shell, 500 kg/1,000 lb.
A giant clam produces a billion eggs in a single spawning.
The term is usually applied to edible species, such as the North American hard clam Venus mercenaria, used in clam chowder, and whose shells were formerly used as money by Native Americans. A giant clam may produce a billion eggs in a single spawning.
Beskičmenjak, mekog tela, bez udova i hladne krvi. Nema unutrašnji skelet, ali mnoge vrste imaju oklop koji štiti telo.
Većinom žive u moru, ali neke vrste nastanjuje slatke vode, a neke su i kopnene životinje.
ETYM French mollusque, Latin mollusca a kind of soft nut with a thin shell, from molluscus soft, mollis soft. Related to Mollify.
Any invertebrate of the phylum Molluska with a body divided into three parts, a head, a foot, and a visceral mass. The majority of mollusks are marine animals, but some inhabit fresh water, and a few are terrestrial. They include bivalves, mussels, octopuses, oysters, snails, slugs, and squids. The body is soft, limbless, and coldblooded. There is no internal skeleton, but many species have a hard shell covering the body.
Mollusks vary in diet, the carnivorous species feeding chiefly upon other members of the phylum. Some are vegetarian. Reproduction is by means of eggs and is sexual; many species are hermaphrodite. The shells of mollusks take a variety of forms: univalve (snail), bivalve (clam), chambered (nautilus), and many other variations. In some cases (for example cuttlefish and squid), the shell is internal. Every mollusk has a fold of skin, the mantle, which covers the whole body or the back only, and secretes the calcareous substance forming the shell. The lower ventral surface forms the locomotory organ, or foot.
Invertebrate having a soft unsegmented body usually enclosed in a shell; SYN. mollusc, shellfish.