They have been observed lying on their back, on the water's surface, using a rock as a tool to open clams and/or oysters.
they lie on their back and break the shells on a rock that is on their belly
Sea otters will actually pick up rocks and hold them on their chests as they float on their backs. They then beat the shellfish against the rock until it cracks open!
Stone
Bang them on rocks
Otters can swim at fast speeds, crack open oyster shells (and other crustaceans), and can even be taught to do tricks!
Otters can swim at fast speeds, crack open oyster shells (and other crustaceans), and can even be taught to do tricks!
no some molluscs dont have shells eg slug
Calcium Carbonate
Oysters and mussels do not shed their shells. They are bivalve molluscs and their shells grow larger with age.
no some molluscs dont have shells eg slug
I don't know about River Otters,but Sea Otters use rocks and strong pieces of wood to break open shells and clams. They also eat fish and other small sea creatures. Their teeth are made for those kinds of foods.
bodies unsegmentedor variable shapes or usually have shells
oyster shells
They dive and get clams and oysters and then crack open the shells with a rock and then the eat everything inside the creature.
Sea urchins, abalone, snails, scallops, mussels, crab and fish. They dine by floating on their backs and often use stones to crack open the shells of their meal. + they also eat Justin O's trees because they are extremely nutritious for the sea otters kidney
malacologist I think it is conchhologist Its CONCHOLOGIST only one H. ------------------------------- Note: Conchology can be viewed as one aspect of malacology, the study of molluscs. Malacology studies molluscs as whole organisms, not just their shells.