Pacifastacus, a genus of crayfish native to western North America
Cambaridae, a largest of the three families of freshwater crayfish, with over 400 species
common yabby, Cherax destructor, an Australian freshwater crustacean in the Parastacidae family
Cherax quinquecarinatus, a small freshwater crayfish endemic to the south-west corner of Australia
Astacidae, the taxon, a type of Crayfish and arthropod
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