HomeFish encyclopediaRay-finned fishesScorpionfishes and FlatheadsFlatheadsSmall-eyed flathead Small-eyed flathead (Cymbacephalus bosschei) Scientific name: Cymbacephalus bosschei Bleeker, 1860 The Small-eyed flathead (Cymbacephalus bosschei) is a marine fish of the family Platycephalidae. Native range: Western Central Pacific, Philippines, Borneo, Singapore, Papua New Guinea, the Arafura Sea and Western Australia to Darwin and Brisbane, Australia. BiologyDorsal spines (total): 9; Dorsal soft rays (total): 12; Anal spines: 0; Anal soft rays: 12. No pit present behind upper eye. Preopercular spines short, usually 2 subequal. Infraorbital ridge usually smooth over eye. Suborbital ridge bearing 1slight spine just behind eye, spine often obscure or lacking in adults. No dermal papillae on upper eye. Caudal fin with a large elongate dark blotch along upper and lower margins.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCymbacephalus bosscheiFamilyPlatycephalidae (Flatheads)OrderScorpaeniformes (Scorpionfishes and Flatheads)ClassActinopterygii (Ray-finned fishes)Maximum length45.0Common length35.0Depth range50 m (164 ft)EnvironmentMarine; reef-associated; non-migratory; depth range ? - 50 mClimateTropicalDistributionWestern Central Pacific: Philippines, Borneo, Singapore, Papua New Guinea, the Arafura Sea and Western Australia to Darwin and Brisbane, Australia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: subsistence fisheries; gamefish: yesResilienceMedium, 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