Revillagigedo barnacle (Acanthemblemaria mangognatha) fish species and information / pictures of Revillagigedo barnacle - Acanthemblemaria mangognatha

Revillagigedo barnacle (Acanthemblemaria mangognatha) fish species information

Scientific Name
Acanthemblemaria mangognatha

Common Name
Revillagigedo barnacle

Biology
Dorsal spines (total): 23 - 25; Dorsal soft rays (total): 12-14; Anal spines: 2; Anal soft rays: 24 - 27. This species is distinguished by the following characters: anterior one-third of the lower jaw in color, posterior part purple; some large specimens have the supraorbital cirrus deeply branched; a closed wedge of spines on the posterior part of the frontal; 2 rows of interorbital spines, the outer one incomplete, the central row with large spines on a raised ossified ridge; D XXIII-XXV,12-14 (35-38 total dorsal-fin elements; A II,24-27 (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: endemic to Revillagigedo Islands, Mexico.

Range

20°N - 16°N, 112°W - 109°W

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

13 m

Depth To - meters

13 m

Zone

demersal

Environment

Marine; demersal; depth range 13 - 13 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

3.1 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)