Aquarium Forum http://forum.aqua-fish.net/ A forum devoted to aquarium fish, plants, techniques and fish keeping as a whole. en can someone differentiate between the followings <script language='JavaScript' type='text/javascript'> <!-- --> </script> http://forum.aqua-fish.net/?topic=can-someone-differentiate-between-the-followings-#1 1. Heterobranchus longifilis and Heterobranchus bidorsalis 2. Heterobranchus species and Heteroclarias species 3.Heterobranchus species and Clarias species bay 2010-09-24