HomeFish encyclopediaRay-finned fishesNeedle fishesNeedlefishesPacific agujon needlefish Pacific agujon needlefish (Tylosurus pacificus) Scientific name: Tylosurus pacificus Steindachner, 1876 The Pacific agujon needlefish (Tylosurus pacificus) is a marine fish of the family Belonidae. Native range: Eastern Pacific, Gulf of California to Cabo Blanco, Peru; including the Galapagos Islands. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 20-24; Anal spines: 0; Anal soft rays: 18 - 22; Vertebrae: 74 - 80Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameTylosurus pacificusFamilyBelonidae (Needlefishes)OrderBeloniformes (Needle fishes)ClassActinopterygii (Ray-finned fishes)Maximum length82.5Common length70.0EnvironmentMarine; pelagic-oceanicClimateTropicalDistributionEastern Pacific: Gulf of California to Cabo Blanco, Peru; including the Galapagos Islands.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (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