HomeFish encyclopediaRay-finned fishesAnglerfishesBatfishesSpearnose seabat Spearnose seabat (Malthopsis tiarella) Scientific name: Malthopsis tiarella Jordan, 1902 The Spearnose seabat (Malthopsis tiarella) is a marine fish of the family Ogcocephalidae. Native range: Northwestern Pacific, off Japan and Taiwan. Specimens collected from other places may represent other species. BiologyDorsal soft rays (total): 4-5; Anal spines: 0; Anal soft rays: 4. Irregular dark spots on dorsal surface.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMalthopsis tiarellaFamilyOgcocephalidae (Batfishes)OrderLophiiformes (Anglerfishes)ClassActinopterygii (Ray-finned fishes)Maximum length10.5Common length6.0Depth range80–450 m (262–1476 ft)EnvironmentMarine; demersal; depth range 80 - 450 mClimateTemperateDistributionNorthwestern Pacific: off Japan and Taiwan. Specimens collected from other places may represent other species.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, 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