Cocos triplefin (Axoclinus cocoensis)

Scientific name: Axoclinus cocoensis Bussing, 1991

Cocos triplefin (Axoclinus cocoensis)

The Cocos triplefin (Axoclinus cocoensis) is a marine fish of the family Tripterygiidae. Native range: Eastern Central Pacific, Isla del Coco. A very similar but possibly undescribed species from the Revillagigedo Islands.

Biology

Dorsal spines (total): 16; Dorsal soft rays (total): 9; Anal spines: 2; Anal soft rays: 18. Lateral line gradually descending from upper edge of gill cover to midlateral axis; lateral line with 21-26 tubed scales followed by 8-12 notched scales; total scales in longitudinal series 33-35; a small lanceolate cirrus on upper edge of eye. Head pink to reddish; side with 3 broad, dark brown bars with narrow, whitish spaces between them; a black band around base of caudal fin; caudal fin frequently black.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Axoclinus cocoensis
Family
Tripterygiidae (Threefin blennies)
Order
Perciformes (Perch-like fish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
3.5
Depth range
7–8 m (23–26 ft)
Environment
Marine; demersal; depth range 7 - 8 m
Climate
Tropical
Distribution
Eastern Central Pacific: Isla del Coco. A very similar but possibly undescribed species from the Revillagigedo Islands.
Conservation status (IUCN)
Vulnerable (VU) (D2)
Threat to humans
Harmless
Resilience
High, minimum population doubling time less than 15 months (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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