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Crayfish
Exist in a Wide Range of Conditons
They grow by shedding (“molting”) their shells
Often found hiding under rocks during the day and foraging on the stream bed during the night
Most live only two years, but some may live up to six or seven years
Up to six inches long
Eyes stand out from the body
Two or four antennae
Body covered with hard, platelike shell
Ten legs, two of these are large claws
Color is red, orange, brown
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