HomeFish encyclopediaRay-finned fishesSmeltsSmeltsNight smelt Night smelt (Spirinchus starksi) Scientific name: Spirinchus starksi Fisk, 1913 The Night smelt (Spirinchus starksi) is a marine fish of the family Osmeridae. Native range: Northeast Pacific, southeastern Alaska to Point Arguello in central California, USA. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 8-10; Anal spines: 0; Anal soft rays: 15 - 19; Vertebrae: 60 - 64. In males, pectoral fins longer; tuberculate on head, scales, and lower fins. Green with silvery sides.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSpirinchus starksiFamilyOsmeridae (Smelts)OrderOsmeriformes (Smelts)ClassActinopterygii (Ray-finned fishes)Maximum length23.0EnvironmentMarine; benthopelagicClimateTemperateDistributionNortheast Pacific: southeastern Alaska to Point Arguello in central California, USA.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercial; gamefish: yesResilienceHigh, minimum population doubling time less than 15 months (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