The largest and most widespread genus of crayfish is the genus Cherax. These crabs live in lakes and rivers throughout most of Australia and Australia and New Guinea. In Australia, crustaceans of the genus Cherax are often referred to as yabbies.
In particular, the blue lobster or red shrimp, Cherax quadricarinatus, is referred to as the Australian crayfish.
The most common in Australia is Cherax destructor.
Cherax cainii occur in southern Australia. They grow to be at least 30 centimeters tall. They can be kept in unheated aquariums. However, the crabs also tolerate temperatures around 25°. The attitude is not a problem.
They are omnivores and eat, for example, catfish tablets, leaves, vegetables, snails, sick or dead fish and conspecifics