There's this fish I've heard of, right, and when juvenile it has a fin on its underside and its eye on the top and is a bottom dweller, but as it grows up the eye and the fin swap round and it is not a bottom dweller anymore (and no, it doesn't just go upside down). Or the other way round.
I would like to read more about this fish. Can anyone tell me what it is called?
I would like to read more about this fish. Can anyone tell me what it is called?