It probably swam through fresh water feeding on aquatic snails , worms , crustaceans and insects .
Karaurus was about 20 centimetres ( 7.9 in ) long , and very similar anatomically to modern salamanders .
Karaurus probably swam through fresh water feeding on aquatic snails , worms , crustaceans and insects .
Karaurus was about 20 centimetres ( 7.9 in ) long , and very similar anatomically to modern salamanders .