HomeFish encyclopediaRay-finned fishesPerch-like fishDragonetsSpotfin dragonet Spotfin dragonet (Foetorepus agassizii) Scientific name: Foetorepus agassizii Goode & Bean, 1888 The Spotfin dragonet (Foetorepus agassizii) is a marine fish of the family Callionymidae. Native range: Western Atlantic, Canadian Scotian shelf to just north of the Amazon mouth. BiologyDorsal spines (total): 4; Dorsal soft rays (total): 7-8; Anal spines: 0; Anal soft rays: 6 - 7Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameFoetorepus agassiziiFamilyCallionymidae (Dragonets)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length24.3Depth range48–700 m (157–2297 ft)EnvironmentMarine; bathydemersal; depth range 48 - 700 m, usually 250 - ? mClimateDeep-waterDistributionWestern Atlantic: Canadian Scotian shelf to just north of the Amazon mouth.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, 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