Triangulate slickhead (Alepocephalus triangularis)

Scientific name: Alepocephalus triangularis Okamura & Kawanishi, 1984

The Triangulate slickhead (Alepocephalus triangularis) is a marine fish of the family Alepocephalidae. Native range: Northwest Pacific, known only from the Ryukyu Trough.

Biology

Dorsal spines (total): 0; Dorsal soft rays (total): 17-19; Anal spines: 0; Anal soft rays: 18 - 21. Pored scales in lateral line fewer than 60. Frontal bone flat above the eye, not forming a ridge. Snout not spatulate, but pointed anteriorly, shorter than 1.5 times orbit diameter. Palatine teeth minute.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Alepocephalus triangularis
Family
Alepocephalidae (Slickheads)
Order
Osmeriformes (Smelts)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
24.0
Depth range
1000–1140 m (3281–3740 ft)
Environment
Marine; bathydemersal; depth range 1000 - 1140 m
Climate
Deep-water
Distribution
Northwest Pacific: known only from the Ryukyu Trough.
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.

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