Alligatorfish maximum total length of 22 centimetres, but more commonly reach a TL of 14.2 cm. The Alligatorfish is preyed on by the Atlantic halibut ("Hippoglossus hippoglossus") and the Pacific halibut ("Hippoglossus stenolepis"). Its own diet consists primarily of benthic crustaceans and bottom fauna. Alligatorfish The Alligatorfish (Aspidophoroides monopterygius, also known commonly as the Aleutian alligatorfish and the Atlantic alligatorfish) is a fish in the family Agonidae (poachers). It was described by Marcus Elieser Bloch in 1786. It is a marine, temperate water-dwelling fish which is known from the northwestern Atlantic Ocean, including western Greenland; Labrador, Canada; and Cape Cod, Massachusetts,
Peters' elephantnose fish fish can use its electosensing to detect moving prey and worms in the substrate. Although the elephant nose fish was once thought to have poor eyesight, it is now known to have good low light vision. Its eyes use a combination of photonic crystals, parabolic mirrors and a clustered arrangement of rods and cones. Peters' elephantnose fish Peters' elephant-nose fish ("Gnathonemus petersii") is an African freshwater elephantfish in the genus "Gnathonemus". Other names in English include elephantnose fish, long-nosed elephant fish, and Ubangi mormyrid, after the Ubangi River. As the Latin name "petersii" confirms it is named after someone called