FISHIOLOGY

This is a behavior you don't often get to see, mainly because this means the fish is devalue and most people will choose to keep quiet about it. Out of maybe a 1,000 fishes you will find one tail biter, as its name suggest they attack their own tail. As to why exactly they do this is unsure and this crazies is not restrict to Channa Marulioides alone as Arowanas behaves the same sometimes. Some will say they are lonely or hungry, but as you all know I was left with 4 Terengganus and 4 of them is kept in identical environment, single tank fed the same food kept in the same PH and lightings. From my many years in keeping Channa Marulioides this is the 2nd pc tail biter that I've actually encountered. I've swapped the fish tank with another Terengganu as I was wondering if the tank reflection is causing the self inflicting wounds but the fish that took its place behaves normal and this fish continue to attack its own tail. I've also tried raising the PH to