No, I believe that was a hoplias aimara.now.. these wolf fish... the hoplias malabaricus, these wouldnt happen to be the same fish that was on an episode of "river monsters" was it? where one bit a stick quite viciously?... that one was much larger, do they not grow as big in captivity? or is the hoplias malabaricus a smaller relative of that?... because that was a VERY cool fish and that sort of aggression makes up for its lack of a general primitive look something like the gar has