HomeFish encyclopediaRay-finned fishesSmeltsTubeshouldersTeardrop tubeshoulder Teardrop tubeshoulder (Holtbyrnia innesi) Scientific name: Holtbyrnia innesi Fowler, 1934 The Teardrop tubeshoulder (Holtbyrnia innesi) is a marine fish of the family Platytroctidae. Native range: Eastern Atlantic, Gulf of Guinea and Angola. Elsewhere, western Atlantic and tropical eastern Pacific. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 19-21; Anal spines: 0; Anal soft rays: 15 - 17Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameHoltbyrnia innesiFamilyPlatytroctidae (Tubeshoulders)OrderOsmeriformes (Smelts)ClassActinopterygii (Ray-finned fishes)Maximum length24.0Depth range100–1500 m (328–4921 ft)EnvironmentMarine; bathypelagic; depth range 100 - 1500 mClimateDeep-waterDistributionEastern Atlantic: Gulf of Guinea and Angola. Elsewhere, western Atlantic and tropical eastern Pacific.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Assuming tmax>3) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026