HomeFish encyclopediaRay-finned fishesNeedle fishesNeedlefishesBaja California keeltail needlefish Baja California keeltail needlefish (Platybelone argalus pterura) Scientific name: Platybelone argalus pterura Osburn & Nichols, 1916 The Baja California keeltail needlefish (Platybelone argalus pterura) is a marine fish of the family Belonidae. Native range: Eastern Pacific, Baja California, Mexico and the southern Baja California to Ecuador. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 11-14; Anal spines: 0; Anal soft rays: 15 - 18; Vertebrae: 62 - 65Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePlatybelone argalus pteruraFamilyBelonidae (Needlefishes)OrderBeloniformes (Needle fishes)ClassActinopterygii (Ray-finned fishes)Maximum length40.0Common length30.0EnvironmentMarine; pelagic-oceanicClimateTropicalDistributionEastern Pacific: Baja California, Mexico and the southern Baja California to Ecuador.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: minor commercialResilienceHigh, 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