Hippo tang

[albert_dao]

Same as Myka, I've had hippos go both ways, instant 6" or perma 3".

They also have zero interesting behavioral traits. They're either out eating or smooshed up into the rocks. There's little to no exploring or curiosity like you'd expect from other fish with "personality".

(Probably in the 200+ range for hippos I've been in longterm care of over the years -- Service company, pet stores, etc)

That said, they're still a stunning fish. If you want a blue fish, you'd be hard pressed to find one with more oomph than a hippo. And your tank size should be fine. Let's get real here, you're not trying to replicate the ocean. You're putting fish in a glass box. Just accept the morality of it and enjoy your fish tank (it's not like they're self aware :P)