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