HomeFish encyclopediaSharks and RaysGround sharksWeasel sharksAustralian weasel shark Australian weasel shark (Hemigaleus australiensis) Scientific name: Hemigaleus australiensis White, Last & Compagno, 2005 The Australian weasel shark (Hemigaleus australiensis) is a marine fish of the family Hemigaleidae. Native range: Eastern Indian Ocean to Western Pacific, Australia and where records from Papua New Guinea need to be confirmed. BiologyA predominantly demersal species on continental and insular shelves from shallow, inshore bays down to 170 meters. Sexual maturity of males reached at about 60 cm TL; females between 60 - 65 cm TL; with young are born at about 30 cm TL.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameHemigaleus australiensisFamilyHemigaleidae (Weasel sharks)OrderCarcharhiniformes (Ground sharks)ClassElasmobranchii (Sharks and Rays)Maximum length110Depth range12–170 m (39–558 ft)EnvironmentMarine; demersal; depth range 12 - 170 mClimateTropicalDistributionEastern Indian Ocean to Western Pacific: Australia and where records from Papua New Guinea need to be confirmed.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmless SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026