Murky, nearly-opaque water in stagnant pools in grasslands of arid regions
Size
5-6 inches
Diet
Carnivorous - fish, shrimps, etc They are scavengers, meaning they will try to eat anything they can swallow
Fun (Sad) Facts
They have been the subject of much laboratory research, mostly in the field of embryology and development, which incidentally was the basis of a US pregnancy test in the 1940s