Any of numerous freshwater decapod crustaceans in superfamily Astacoidea or Parastacoidea, resembling the related lobster but usually much smaller.
A rock lobster (family Palinuridae).
The species Thenus orientalis of the slipper lobster family (Scyllaridae).
A freshwater crustacean (family Cambaridae), sometimes used as an inexpensive seafood or as fish bait.
A freshwater crayfish (family Parastacidae), such as the gilgie, marron, or yabby.
to catch crayfish