A crab that lives in the shells of other shell fish is called a hermit crab.
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The hermit crab. It occupies a shell just large enough to fit its body. When it outgrows its current 'home', it searches for a larger one.
fish,shrimp,and crab
Sea shells, sea glass, sand dollars, star fish, beach pebbles, drift wood, sand, crab shells, and shark teeth.
No, crab shells are primarily composed of chitin, a tough, indigestible substance that humans cannot break down. While some animals, like certain fish and insects, can digest chitin, humans lack the necessary enzymes to process it. As a result, crab shells are not digestible and should not be consumed. However, they can be used to create chitin-derived products or as compost in gardening.
They have shells.
The Hermit Crab.
There are two main types of shells: soft shells, which are made of proteins and are flexible (e.g., snail shells), and hard shells, which are made of calcium carbonate and are rigid (e.g., clam shells). Each type of shell provides protection and support for the animal inside.
sharks and other bigger fish
squid and other kinds of fish
Hermit Crabs live in shells because when they are in the ocean they can not see behind them because their eyes are on the front of their head. When they are walking around the ocean floor, fish will bite at the tip of their tail for food. The hermit crab finds shells from old crabs that fits their body.
because the are wearing shells