Cocos barnacle blenny (Acanthemblemaria atrata) fish species and information / pictures of Cocos barnacle blenny - Acanthemblemaria atrata

Cocos barnacle blenny (Acanthemblemaria atrata) fish species information

Scientific Name
Acanthemblemaria atrata

Common Name
Cocos barnacle blenny

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 (Ref. 81029).

Classification

Classified By
Hastings & Robertson, 1999
Class
Ray-finned fishes (Actinopterygii)
Order
Perch-like fish (Perciformes)
Family
Pike-, tube- and flagblennies (Chaenopsidae)

Distribution

Region
Eastern Central Pacific
Distribution
Eastern Central Pacific: Cocos Island (Costa Rica).
Range
Unknown

Environment

Climate
Tropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
5 m
Depth To - meters
31 m
Zone
demersal
Environment
Marine; demersal; depth range 5 - 31 m (Ref. 81029)
Trophic Level
3.33 s.e. 0.43 Based on size and trophs of closest relatives
Occurs in Marine / Salt water
True
Occurs in Brackish water
False
Occurs in Fresh Water
False
Occurs on Reefs
False
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
3.2 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Unknown
Vulnerability
Low vulnerability (10 of 100)
Resilience
Unknown
Threat To Humans
  Harmless
IUCN Red List Status
  Vulnerable (VU) (D2)