HomeFish encyclopediaSharks and RaysGround sharksRequiem sharksNorthern river shark Northern river shark (Glyphis garricki) Scientific name: Glyphis garricki Compagno, White & Last, 2008 The Northern river shark (Glyphis garricki) is a brackish-water fish of the family Carcharhinidae. Native range: Indo-West Pacific, Australia (salinities 6-26 and 32-36.6) and New Guinea. Species factsScientific nameGlyphis garrickiFamilyCarcharhinidae (Requiem sharks)OrderCarcharhiniformes (Ground sharks)ClassElasmobranchii (Sharks and Rays)Maximum length145Depth range11 m (36 ft)EnvironmentMarine; brackish; pelagic-oceanic; depth range ? - 11 mClimateTropicalDistributionIndo-West Pacific: Australia (salinities 6-26 and 32-36.6) and New Guinea.Conservation status (IUCN)Critically Endangered (CR) (C2a(i))Threat to humansHarmlessResilienceLow, minimum population doubling time 4.5 - 14 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