2. The first kind is crayfish (English Maron, scientific name C. Tenuimanus), which translates as crayfish or crayfish; The second is crayfish (English Yabbie, scientific name C. destroyer), also translated as crayfish; The third kind is Red Claw crayfish (English Red Claw, scientific name C. Quadricarinatus), which is also translated as four-ridged crayfish. Therefore, the Australian freshwater lobster referred to by general aquaculture now refers to the above three kinds of commercialized crayfish.