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=black-tail-shark#1 hi i have a black tail shark in a tank with 2 bala sharks, 2 green barbs, 6 neons (3 red, 3 blue) 4 harlequins, 2 tiger loaches and a mono. The redtail is quite aggressive to the balas and the mono. is this normal or shud i consider removing the redtail? thanx bkginge 2009-09-05 http://forum.aqua-fish.net/?topic=black-tail-shark#2 Red tails are always aggressive, it may be wise to move it as Bala sharks can be very skittish and nervous. mickey 2009-09-06 http://forum.aqua-fish.net/?topic=black-tail-shark#3 thanx mickey glad u saw through my typo and realised it was a red tail i am looking for a new home for the red tail thanx again for the advice bkginge 2009-09-10 http://forum.aqua-fish.net/?topic=black-tail-shark#4 not a problem if you need any further advice check out my forum as well mickey 2009-09-14 http://forum.aqua-fish.net/?topic=black-tail-shark#5 Red tail sharks are very aggressive and always protective of their property. remove him asap. irwin id 2013-07-17