Chelydra serpentina serpentina. Captive born 2013 These turtles are quick growers and quite aggressive feeders. Care must be exercised to keep smaller community tank turtles away from larger snappers. Water temp of 78 to 80 degrees and a diet of raw lean meat and fish, earthworms, krill, as well as some commercial pellets is reccommended. Basking log or platform is not necessary.