HomeFish encyclopediaRay-finned fishesScorpionfishes and FlatheadsFlatheadsFringe-eyed flathead Fringe-eyed flathead (Cymbacephalus nematophthalmus) Scientific name: Cymbacephalus nematophthalmus G?nther, 1860 The Fringe-eyed flathead (Cymbacephalus nematophthalmus) is a brackish-water fish of the family Platycephalidae. Native range: Western Central Pacific, Philippines, Borneo, Singapore, Celebes, Papua New Guinea, New Georgia and Australia from the Northwest Shelf to Brisbane. BiologyDorsal spines (total): 9; Dorsal soft rays (total): 11; Anal spines: 0; Anal soft rays: 11. Prominent pit present behind upper eye. Preopercular spines short, upper two subequal. Infraorbital ridge usually smooth over eye. Suborbital ridge bearing 1 spine below rear of eye. Dorsal fin IX or I,VIII. Dermal papillae (usually 6-9 in adults) on upper surface of eye, longest branched and reaching well above supraorbital ridge. Short dark streaks usually crossing rays in dorsal and caudal fins.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCymbacephalus nematophthalmusFamilyPlatycephalidae (Flatheads)OrderScorpaeniformes (Scorpionfishes and Flatheads)ClassActinopterygii (Ray-finned fishes)Maximum length58.0Common length30.0EnvironmentMarine; brackish; demersal; non-migratoryClimateTropicalDistributionWestern Central Pacific: Philippines, Borneo, Singapore, Celebes, Papua New Guinea, New Georgia and Australia from the Northwest Shelf to Brisbane.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: subsistence fisheriesResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026