Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Chaenopsidae
(Pike-, tube- and flagblennies)
Etymology: Acanthemblemaria: Greek, akantha = thorn + Greek, emblema, -atos, anything that is nailed, knocked in; also anything with bass or high relief (Ref. 45335); mangognatha: Name from mango, a tropical fruit with rich orange flesh and the Greek worg 'gnathos' for jaw, referring to the unique coloration on the lwoe jaw (Ref. 81029).
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal; depth range 1 - 31 m (Ref. 81029). Tropical; 20°N - 16°N, 112°W - 109°W (Ref. 56272)
Eastern Central Pacific: endemic to Revillagigedo Islands, Mexico.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 3.1 cm SL male/unsexed; (Ref. 81029)
Morphology | Morphometrics
(total): 23 - 25;
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).
A small benthic reef fish which is common in shallow water, but also occurs to depths of at least 31 meters (Ref. 81029).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Hastings, P.A. and D.R. Robertson, 1999. Acanthemblemaria atrata and Acanthemblemaria mangognatha, new species of eastern Pacific barnacle blennies (Chaenopsidae) from Isla de Coco, Costa Rica, and Islas Revillagigedo, Mexico, and their relationships with other barnacle blennies. Rev. Fr. Aquariol. 25(3-4):107-118. (Ref. 81029)
IUCN Red List Status (Ref. 123251)
CITES (Ref. 118484)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 25.8 - 26.2, mean 26 °C (based on 2 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00457 (0.00182 - 0.01148), b=3.08 (2.86 - 3.30), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.3 ±0.4 se; based on size and trophs of closest relatives
Resilience (Ref. 120179
): High, minimum population doubling time less than 15 months ().
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .