HomeFish encyclopediaRay-finned fishesSmeltsTubeshouldersSpangled tubeshoulder Spangled tubeshoulder (Persparsia kopua) Scientific name: Persparsia kopua Phillipps, 1942 The Spangled tubeshoulder (Persparsia kopua) is a marine fish of the family Platytroctidae. Native range: Atlantic, Indian and Pacific, circumglobal in the southern hemisphere excluding South America. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 19-22; Anal spines: 0; Anal soft rays: 13 - 14Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePersparsia kopuaFamilyPlatytroctidae (Tubeshoulders)OrderOsmeriformes (Smelts)ClassActinopterygii (Ray-finned fishes)Maximum length14.0Depth range700–1500 m (2297–4921 ft)EnvironmentMarine; pelagic-oceanic; depth range 700 - 1500 mClimateSubtropicalDistributionAtlantic, Indian and Pacific: circumglobal in the southern hemisphere excluding South America.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (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