I've had a 55gal tank for 15 years and had the moray for 11.He is the easiest fish I had.He will come out looking for a meal when you walk up to the tank and then take a piece of sqiuid,shrimp or clam from me.The only problem I had with him is he would eat other fish so I only kept him with inexpensive fish.A coulple of fish that have seemed to last are the Yellow Tang and a small puffer.He likes to eat clowns,damsels,hawks and wrasses.He is in a fish only tank with crushed coral and dead coral for someplace to hid , also have a piece of PVC pipe that he lives in.Its a pretty inexpensive setup compaired to the tanks Iv'e seen on this site.