nocturnal active at night
whelk shell pointed spiral shell
carapace a hard covering or shield on the back of certain animals such as turtles and
diurnal active during the day
cheliped one of two big claws for defense and food handling
crustacean an animal with a hard, jointed shell. Crustaceans live in fresh or salt water
invertebrate
omnivore
an animal that does not have a backbone or skeleton inside its body
eating of both plant and animal food
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