HomeFish encyclopediaSharks and RaysGround sharksHoundsharksBlacktip tope Blacktip tope (Hypogaleus hyugaensis) Scientific name: Hypogaleus hyugaensis Miyosi, 1939 The Blacktip tope (Hypogaleus hyugaensis) is a marine fish of the family Triakidae. Native range: Indo-West Pacific, East Africa and the Persian Gulf to Taiwan and Japan. Reported from Australia. BiologyInhabits continental shelves. Feeds on bony fishes and cephalopods. Viviparous. Utilized as a food fish.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameHypogaleus hyugaensisFamilyTriakidae (Houndsharks)OrderCarcharhiniformes (Ground sharks)ClassElasmobranchii (Sharks and Rays)Maximum length127Depth range40–230 m (131–755 ft)EnvironmentMarine; demersal; depth range 40 - 230 mClimateDeep-waterDistributionIndo-West Pacific: East Africa and the Persian Gulf to Taiwan and Japan. Reported from Australia.Conservation status (IUCN)Near Threatened (NT)Threat to humansHarmlessUsesFisheries: minor commercialResilienceLow, minimum population doubling time 4.5 - 14 years (Fec=10; gestation about 15 months) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026