Longbarb scaly dragonfish (Stomias longibarbatus)

Scientific name: Stomias longibarbatus Brauer, 1902

The Longbarb scaly dragonfish (Stomias longibarbatus) is a marine fish of the family Stomiidae.

Biology

Dorsal spines (total): 0; Dorsal soft rays (total): 13-14; Anal spines: 0; Anal soft rays: 15 - 17. Body iridescent silver in color. Slender body, caudal peduncle strongly compressed, extremely short. Photophores with a bronzy rim. Barbel pale, bulb and filaments yellowish.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name: Stomias longibarbatus
Family: Stomiidae (Barbeled dragonfishes)
Order: Stomiiformes (Lightfishes and Dragonfishes)
Class: Actinopterygii (Ray-finned fishes)
Maximum length: 43.0
Depth range: 400–1463 m (1312–4800 ft)
Environment: Marine; bathypelagic; depth range 400 - 1463 m
Climate: Deep-water
Distribution: Eastern Atlantic: Portugal south to Democratic Republic of the Congo; Namibia to South Africa. Western Atlantic: USA to Gulf of Mexico; Brazil to Argentina. Western Pacific: Japan, Australia and New Zealand. Southeast Pacific: Chile. Indian Ocean.
Conservation status (IUCN): Not Evaluated
Threat to humans: Harmless
Resilience: Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

Last updated 27 September 2026