HomeFish encyclopediaRay-finned fishesSmeltsLeptochilichthyidsAgassiz' smooth-head Agassiz' smooth-head (Leptochilichthys agassizii) Scientific name: Leptochilichthys agassizii Garman, 1899 The Agassiz' smooth-head (Leptochilichthys agassizii) is a marine fish of the family Leptochilichthyidae. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 11-15; Anal spines: 0; Anal soft rays: 11 - 13Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameLeptochilichthys agassiziiFamilyLeptochilichthyidae (Leptochilichthyids)OrderOsmeriformes (Smelts)ClassActinopterygii (Ray-finned fishes)Maximum length30.8Depth range2000–3100 m (6562–10171 ft)EnvironmentMarine; bathypelagic; depth range 2000 - 3100 mClimateDeep-waterDistributionEastern Atlantic: several records between 14?11'N (off Senegal) and 50?08'N. Elsewhere, eastern Pacific, from the equator to 38?24'N. Probably occurring in the Western Central Pacific. Reported from the Indian Ocean.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