- moonfish, Atlantic moonfish, horsefish, horsehead, horse-head, dollarfish, Selene setapinnis - any of several silvery marine fishes with very flat bodies
--1 is a kind of carangid fish, carangid
--1 has particulars: lookdown, lookdown fish, Selene vomer - opah, moonfish, Lampris regius - large elliptical brightly colored deep-sea fish of Atlantic and Pacific and Mediterranean
--2 is a kind of soft-finned fish, malacopterygian
--2 is a member of Lampris, genus Lampris