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W
hat do you think it would be like to have your skeleton on
the outside of your body? You can study crayfish to find out!
Crayfish are members of a group of animals called
crustaceans
.
Crustaceans have their skeletons on the outside of their bodies.
Crustaceans include lobsters, shrimps, crabs, and crayfish.
Crayfish are aquatic organisms. They live in freshwater environments,
such as ponds, lakes, and streams. Crayfish have structures and
behaviors
that let them do many things. Crayfish move around in their
environment, get food, protect themselves, and produce offspring. Let’s
take a look at the interesting structures first. Then we’ll find out how
those structures help crayfish survive in their environment.
Crayfish
A shrimp
A crab
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