HomeFish encyclopediaRay-finned fishesScorpionfishes and FlatheadsRockfishes, rockcods and thornyheadsFalse kelpfish False kelpfish (Sebastiscus marmoratus) Scientific name: Sebastiscus marmoratus Cuvier, 1829 The False kelpfish (Sebastiscus marmoratus) is a marine fish of the family Sebastidae. Native range: Western Pacific, southern Hokkaido, Japan to the Philippines. BiologyFound near shore, on rock bottom. Commercially cultured in Japan. Viviparous. Anterolateral glandular grooves with venom gland.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSebastiscus marmoratusFamilySebastidae (Rockfishes, rockcods and thornyheads)OrderScorpaeniformes (Scorpionfishes and Flatheads)ClassActinopterygii (Ray-finned fishes)Maximum length30.0EnvironmentMarine; demersal; oceanodromousClimateTropicalDistributionWestern Pacific: southern Hokkaido, Japan to the Philippines.Conservation status (IUCN)Not EvaluatedThreat to humansVenomousUsesFisheries: commercial; aquaculture: commercial; gamefish: yesResilienceMedium, minimum population doubling time 1.4 - 4.4 years (K=0.3) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026