Acanthemblemaria atrata, Cocos barnacle blenny

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Acanthemblemaria atrata Hastings & Robertson, 1999

Cocos barnacle blenny
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Image of Acanthemblemaria atrata (Cocos barnacle blenny)
Acanthemblemaria atrata
Picture by Robertson, R.

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | 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 Ökologie

; seewasser demersal; tiefenbereich 5 - 31 m (Ref. 81029).   Tropical

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | Faunafri

Eastern Central Pacific: Cocos Island (Costa Rica).

Size / Gewicht / Alter

Maturity: Lm ?  range ? - ? cm
Max length : 3.2 cm SL Männchen/unbestimmt; (Ref. 81029); 3.2 cm SL (female)

Kurzbeschreibung Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt): 22 - 25; Rückenflossenweichstrahlen (insgesamt): 11-14; Afterflossenstacheln 2; Afterflossenweichstrahlen: 23 - 26; Wirbelzahl: 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     Fachlexikon (Englisch) (z.B. 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 Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

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

Hauptreferenz Upload your references | Referenzen | Koordinator : Williams, Jeffrey T. | Partner

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 Rote Liste Status (Ref. 123251)

  gefährdet, siehe IUCN Red List (VU) (D2); Date assessed: 25 May 2007

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Harmless





Nutzung durch Menschen

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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
Widerstandsfähigkeit (Ref. 120179):  hoch, Verdopplung der Population dauert weniger als 15 Monate. ().
Verwundbarkeit (Ref. 59153):  Low vulnerability (10 of 100) .