crocodile-like fish

fish alligator-like crocodile predators.
The size of this alligator fish can reach up to 1 meter in length.
So, if you want to keep this type of predator fish, you should prepare aquarium with a larger size, compared with the size of the ornamental fish aquarium in general.
Or even if you want to keep aligator fish in large quantities.
you should make a special pond to maintain the quality of water, and space for fish to keep the growth and health of fish.