The Splitfin flashlightfish, (Anomalops katoptron), is a species of flashlight fish found in the warm waters of the central and western Pacific Ocean where they are found in shallow waters in the vicinity of reefs and in deep waters from depths of 200 to 400 metres (660 to 1,300 ft). This species grows to a length of 35 centimetres (14 in) TL. This species is the only known member of its genus.