07-20-2010, 10:33 AM
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Had one of these for going on 8 years. Cool fish, one of my favorite freshwater fish by far. They are predatory but once they are fully acclimatized to eating normal fish fare and get lazy they wont mess with anything. Like most ambush predators in my experience they are not very aggressive, in fact these guys are quite passive and while I have never seen one bullied, faster moving fish can easily outcompete them for food. They once fully acclimatized are very hardy fish and tough as nails. Mine I bought as a special order from my old LFS back when they were kinda newish to the scene, he came in with a few others and even had a broken jaw so even today the upper and lower jaw are off. he survived and has the name Snaggletooth. That said they can be fragile fish at first and make sure you put them in a well established tank. I have noticed older ones tend to get cloudy eyes as they age. There are several animals in nature whose bodies start to decline once they have gotten past their prime. Possums for example go cross eyed when they outlive their in the wild life expectancy. Snaggle is still going strong in a tank full of African cichlids. Also they do not keep their cool white and black polka dot scheme, thats a juvenile scheme and the white will turn into a dark olive green color and they do not look that attractive to be honest.
All in all, get a few at once, feed high quality meaty food, dont have aggressive tankmates, keep the water quality high at least in the beginning, lots of hiding places are a must, planted tanks are perfect.