Acanthemblemaria atrata, Cocos barnacle blenny

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Acanthemblemaria atrata Hastings & Robertson, 1999

Cocos barnacle blenny
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Acanthemblemaria atrata
Picture by Robertson, R.

Classificatie / Names Populaire namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | ITIS | CoL | WoRMS | Cloffa

> Blenniiformes (Blennies) > 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);  atrata: Name from Latin meaning 'dressed in black', referring to its unique dark color morhp (Ref. 81029).

Environment: milieu / climate zone / depth range / distribution range Ecologie

; marien demersaal; diepteverspreiding 5 - 31 m (Ref. 81029).   Tropical

Verspreiding Landen | FAO regio's | Ecosystems | Voorkomen | Point map | Introducties | Faunafri

Eastern Central Pacific: Cocos Island (Costa Rica).

Size / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 3.2 cm SL mannelijk/geslacht niet bekend; (Ref. 81029); 3.2 cm SL (female)

Korte beschrijving Morfologie | Morfometrie

Dorsale stekels (totaal): 22 - 25; Dorsale zachte stralen (totaal): 11-14; Anale stekels 2; Anale zachte stralen: 23 - 26; Wervels: 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).

Biologie     Verklarende woordenlijst (b.v. epibenthic)

A small benthic reef fish which is common in shallow water, but also occurs to depths of at least 31 meters (Ref. 81029). Oviparous (Ref. 56066). Eggs are attached to the walls of the parent's shelter and are brooded by the male parent (Ref. 56066).

Life cycle and mating behavior Geslachtsrijpheid | Voortplanting | Kuitschieten | Eieren | Fecundity | Larven

Oviparous (Ref. 56066). Males guard the eggs until they hatch (Ref. 56066).

Voornaamste referentie Upload your references | Referenties | Coördinator : Williams, Jeffrey T. | Medewerkers

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)

Status op de Rode Lijst van het IUCN (Ref. 123251)

  Kwetsbaar, zie IUCN Rode Lijst (VU) (D2); Date assessed: 25 May 2007

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaarlijk voor mensen

  Harmless





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Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00468 (0.00184 - 0.01190), 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
Weerstandsvermogen (Ref. 120179):  Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden ().
Kwetsbaarheid (Ref. 59153):  Low vulnerability (10 of 100) .