Engaewa's a genus of burrowing crayfish endemic to Southwest Australia, and belonging to the family Parastacidae. They're small (up to 5 cm), and found only in freshwater swamps and seepages in the higher-rainfall areas. There're five recognised species, three of which are threatened: E. walpolea (vulnerable), E. reducta, the Dunsborough Burrowing Crayfish (endangered) and E. pseudoreducta (critically endangered).… (More on Engaewa)