When you hear the term “monster fish,” does it simply conjure up images of a bad horror movie scene?

Monster fish are a unique class of aquarium fish with a propensity for predation.

There are many different kinds of fish on this list, some of which may live peacefully in bigger aquatic habitats.

While keeping predatory fish can be fun and rewarding, this particular category does require careful preparation and the “right-sized” aquarium.