i would have to say oscar, but that is mainly due to me not having personal experience with other large fish (yet at least).
my oscar begs for food, recognizes me (and only me), chases a laser pointer around his tank, plays with a floating plastic ball....... he's a fish dog! lol.
my oscar begs for food, recognizes me (and only me), chases a laser pointer around his tank, plays with a floating plastic ball....... he's a fish dog! lol.
