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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.
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∙ 14y ago
Wiki User
∙ 13y agothey lie on their back and break the shells on a rock that is on their belly
Wiki User
∙ 8y agoSea 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!
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∙ 15y agoStone
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∙ 13y agoBang them on rocks
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What does otters do?
Otters can swim at fast speeds, crack open oyster shells (and other crustaceans), and can even be taught to do tricks!
What can otters do?
Otters can swim at fast speeds, crack open oyster shells (and other crustaceans), and can even be taught to do tricks!
Do all mollusc's have shells?
no some molluscs dont have shells eg slug
What is extracted by from water molluscs to build shells?
Calcium Carbonate
Why oyster and mussels need to shed their shells?
Oysters and mussels do not shed their shells. They are bivalve molluscs and their shells grow larger with age.
Do all molluscs have a shell?
no some molluscs dont have shells eg slug
How and what do otters eat?
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.
What is one feature a molluscs have?
bodies unsegmentedor variable shapes or usually have shells
What do sea otters use as a rock?
oyster shells
Do otters hunt in groups?
They dive and get clams and oysters and then crack open the shells with a rock and then the eat everything inside the creature.
What do otters eat and what eats otters?
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
What is the name of a person who studies and collects mollusk shells?
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.
