Channa Arapaima ! now that would be something..QUOTE]wait, WHA?!?
since it is a new discovery, there probably isn't much info on size difference. however...
http://www.youtube.com/watch?v=tRfN_y64RZY
looks both long and fat... also, the others are only from holotypes, and A. arapaima is supposed to be the only one, apart from the Mamirauá one, so i would guess that A. arapaima gets big as well.
