I've always been given the impression the already mention mystus wyckii is up there as the most aggresive and wasn't possible to put any kind of tank mate with. A local LFS of mine has an ARTC which they say is also that bad tho......
Red tail catking;3078637; said:Really.... I've seen a few videos on them but whats your experience with them, like what have you noticed about them that makes them such killers?
Red tail catking;3078661; said:Damn thats preatty monstrous. But I think that if you have larger fish with it you won't have to many problems. http://www.monsterfishkeepers.com/forums/showthread.php?t=19153&page=2&highlight=aba
look at the 4th pic in the 14th post. Obviously those fish are way too big for it to chomp.