Cocos barnacle blenny (Acanthemblemaria atrata)

Scientific name: Acanthemblemaria atrata Hastings & Robertson, 1999

Cocos barnacle blenny (Acanthemblemaria atrata)

The Cocos barnacle blenny (Acanthemblemaria atrata) is a marine fish of the family Chaenopsidae. Native range: Eastern Central Pacific, Cocos Island (Costa Rica).

Biology

Dorsal spines (total): 22 - 25; Dorsal soft rays (total): 11-14; Anal spines: 2; Anal soft rays: 23 - 26; Vertebrae: 40 - 43. This species is distinguished by the following characters: 1-2 pairs of large iridescent blue spots on the upper lip; relatively small body size; 2 common pores (sensory pores between the mandibular and preopercular series); a closed wedge of spines on the posterior part of the frontal; 2 rows of interorbital spines, the outer one continuous; D XXII-XXV,11-14 (35-37 total dorsal-fin elements; A II,23-26.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Acanthemblemaria atrata
Family
Chaenopsidae (Pike-, tube- and flagblennies)
Order
Perciformes (Perch-like fish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
3.2
Depth range
5–31 m (16–102 ft)
Environment
Marine; demersal; depth range 5 - 31 m
Climate
Tropical
Distribution
Eastern Central Pacific: Cocos Island (Costa Rica).
Conservation status (IUCN)
Vulnerable (VU) (D2)
Threat to humans
Harmless

Sources

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

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