crayfish

noun

1.
warm-water lobsters without claws; those from Australia and South Africa usually marketed as frozen tails; caught also in Florida and California
2.
tiny lobster-like crustaceans usually boiled briefly
3.
small freshwater decapod crustacean that resembles a lobster
4.
large edible marine crustacean having a spiny carapace but lacking the large pincers of true lobsters