HomeFish encyclopediaRay-finned fishesPerch-like fishWrassesBlue-throated wrasse Blue-throated wrasse (Notolabrus tetricus) Scientific name: Notolabrus tetricus Richardson, 1840 The Blue-throated wrasse (Notolabrus tetricus) is a marine fish of the family Labridae. Native range: Southwest Pacific, restricted to southeastern Australia, from New South Wales to South Australia, including Tasmania. Species factsScientific nameNotolabrus tetricusFamilyLabridae (Wrasses)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length50.0Depth range50 m (164 ft)EnvironmentMarine; reef-associated; depth range ? - 50 mClimateTemperateDistributionSouthwest Pacific: restricted to southeastern Australia, from New South Wales to South Australia, including Tasmania.Conservation status (IUCN)Least Concern (LC)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