yeah i agree with everything said above. not only my favorite fish but also one of my favorite pets, he's like my terrier - never quits begging. very docile to tank mates...mine doesn't even bother the hermits...but that might just be him though. they are pretty common and you might ask your lfs to order them or do a better search...i've seen a couple sites online already and i wasn't even looking for them. a store around here have them every now and then, somethimes 3 or 4 at a time. expect to feed it plenty though so you need a big tank...80g minimum i'd say. mine can go through one jumbo shrimp a day easily, and eats everything from squids, octopus, clams, mussels, scallop, crab legs, and even loves nori seaweed. don't overfeed though.