They get huge, females 20 inch plus, they need monster setups, they will apreciate if you give them space of the water and for females is obligatory a egg laying area, they are hardy if the water is kept clean and at warm temps, you should get a yearling or a older one, not a baby and if you respect the obligatory not feeding big fish to softshells rule, other wise if you ask me they are very fun to keep.