HomeFish encyclopediaRay-finned fishesLightfishes and DragonfishesBristlemouthsLongray fangjaw Longray fangjaw (Bonapartia pedaliota) Scientific name: Bonapartia pedaliota Goode & Bean, 1896 The Longray fangjaw (Bonapartia pedaliota) is a marine fish of the family Gonostomatidae. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 16-20; Anal spines: 0; Anal soft rays: 28 - 31. Silvery operculum and peritoneum; tail translucent ventrally; dorsal and caudal rays pigmented. Single row of body photophores.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameBonapartia pedaliotaFamilyGonostomatidae (Bristlemouths)OrderStomiiformes (Lightfishes and Dragonfishes)ClassActinopterygii (Ray-finned fishes)Maximum length7.2Depth range100–1200 m (328–3937 ft)EnvironmentMarine; bathypelagic; depth range 100 - 1200 mClimateDeep-waterDistributionEastern Atlantic: Rockall Trough, rare north of Gulf of Cadiz, Spain; Canary Islands to Gulf of Guinea. Western Atlantic: in tropical waters. Northwest Atlantic: Canada. Indian Ocean: in tropical waters.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interestResilienceHigh, 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