HomeFish encyclopediaRay-finned fishesHalosaurs and deep-sea Spiny eelsHalosaursAustralian halosaur Australian halosaur (Halosaurus pectoralis) Scientific name: Halosaurus pectoralis McCulloch, 1926 The Australian halosaur (Halosaurus pectoralis) is a marine fish of the family Halosauridae. Native range: Southwest Pacific. BiologyDorsal soft rays (total): 10-13. Body white pinkish or pink, head lighter colored.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameHalosaurus pectoralisFamilyHalosauridae (Halosaurs)OrderNotacanthiformes (Halosaurs and deep-sea Spiny eels)ClassActinopterygii (Ray-finned fishes)Maximum length68.0Depth range600–1270 m (1969–4167 ft)EnvironmentMarine; bathydemersal; depth range 600 - 1270 mClimateDeep-waterDistributionSouthwest Pacific.Conservation status (IUCN)Not EvaluatedThreat 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