ArthropodaInvertebrates
Crustacea
ક્રસ્ટેશિયન
Animals with a hard shell, often in water
Crustacean = hard shell, often lives in water.
Say it like this: crustacean = hard shell, lives in water. Crabs, prawns, and lobsters belong here. They grow by taking off the old shell and making a new one.
How do you know it is a crustacea?
Hard shell
The hard part is on the outside.
Mostly in water
Sea, river, pond — or a wet beach.
Many jointed legs
A crab can have ten legs.
Change shells
They take off the old shell to grow.
Animals you may know
Crab
Walks sideways
Lobster
Big claws
Prawn
Good swimmer
Shrimp
Small and quick
Woodlouse
Lives on land under pots
Barnacle
Sticks to rocks
Water flea
Tiny pond animal
Hermit crab
Uses an empty shell
Not the same!
Try this
At a fish market or beach photo, look for a crab or prawn. That hard cover is a crustacean shell!