http://forum.aqua-fish.net/ A forum devoted to aquarium fish, plants, techniques and fish keeping as a whole. en http://forum.aqua-fish.net/?topic=tail-nipping#1 It may sound funny, but some of my fish just nip the tail of another fish. What should I do in this regard? Thanks. Jason original post: March 1, 2007, 4:24 pm anonymous 2008-05-02 http://forum.aqua-fish.net/?topic=tail-nipping#2 Hi Jason, Yeah, that is happening all the time. Don’t worry, you really don’t have to do anything, and the tails just grow back automatically. jan 2008-05-02 http://forum.aqua-fish.net/?topic=tail-nipping#3 ...The tail that is being nipped is known as the caudal fin and fins are basically composed of dermal tissues and as they are dermal tissues, they grow back in while. Chas anonymous 2008-05-02