i hav a hippo tang somewhere between 3-4 inch, eats just great, iam looking to get rid of him soon.. i took him in, someone was goin to get rid of him as a lil baby fish. and he is out growing the tank. i hav a 55gal tank..id like 40 or a trade of another fish. also i could only really sell him at night thats the only way i can catch him, he sleeps in a rock that i can pick up and take out