The Blenny can be found living in the coral rubble of reefs. An amusing addition to the sand bed of your aquarium, the Blenny requires a well-established aquarium with Live Sand as the substrate, through which it can sift for live matter. Blennies can be a challenge to feed, but are otherwise great reef aquarium inhabitants. Blennies are territorial by nature and multiple types of Blennies should only be attempted in larger aquariums that can afford numerous hiding places. The Blenny is a herbivore and likes to eat primarily algae