rallysman;717736; said:Mine is doing alright, but his stomach looks hollow.....I dont get it though. He eats like mad and is growing (he's about 20" now), but it just looks sunken in.
I think your fish is the largest one I have seen in the aquaria. I heard rumors that when these fish get older in the wild they move to more brackish water conditions and may go into full saltwater. This may be the case with yours as he is getting to adult size. I don't know if this is fact but it may be something to consider. May want to try and add some salt to see if it changes things and treat him with a parasite medicine. I like Parasite clear from Jungle. It works very well and is really safe for the fish. Good luck, keep me posted.

Depending on how much I feed him I might have another year or two before I'll have to move him into a larger tank. All I know is that he is much happier now in my tank than what he was in.