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Brachydeuterus auritus (Valenciennes, 1832)

Bigeye grunt
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Brachydeuterus auritus   AquaMaps   Data sources: GBIF OBIS
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Brachydeuterus auritus
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Ivory Coast (Côte d'Ivoire) country information

Common names: Agbonzo, Loko loko
Occurrence: native
Salinity: brackish
Abundance: | Ref:
Importance: commercial | Ref: FAO, 1994
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Ocurs in Ébrié Lagoon (Ref. 28587).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/iv.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Diouf, P.S., 1996
National Database:

Common names from other countries

Classification / Names Noms communs | Synonymes | Catalog of Fishes(Genre, Espèce) | ITIS | CoL | WoRMS | Cloffa

> Eupercaria/misc (Various families in series Eupercaria) > Haemulidae (Grunts) > Haemulinae
Etymology: Brachydeuterus: Greek, brachys, eia = short + Greek, deuter = two (Ref. 45335).
  More on author: Valenciennes.

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

marin; saumâtre benthopélagique; profondeur 10 - 100 m (Ref. 57395), usually 15 - 80 m (Ref. 26999).   Tropical; 35°N - 16°S, 19°W - 14°E (Ref. 54289)

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

Eastern Atlantic: west coast of Africa, from Mauritania to Angola (Ref. 57395). Also reported from Morocco (Ref. 2135).

Length at first maturity / Taille / Poids / Âge

Maturity: Lm 14.8  range ? - ? cm
Max length : 30.0 cm TL mâle / non sexé; (Ref. 57395); common length : 23.0 cm TL mâle / non sexé; (Ref. 3660); âge max. reporté: 7 années (Ref. 1113)

Description synthétique Clés d'identification | Morphologie | Morphométrie

Épines dorsales (Total) : 10 - 13; Rayons mous dorsaux (Total) : 11 - 14; Épines anales: 3; Rayons mous anaux: 9 - 10. Diagnosis: body oblong and compressed; dorsal profile slightly and regularly convex; snout shorter than eye diameter (Ref. 57395). Mouth large, oblique (Ref. 5377, 57395) and protrusible (Ref. 57395). Lower jaw slightly prominent; 2 anterior pores on chin, followed by a median pit bearing openings of two large pores (Ref. 57395). Eyes large (Ref. 5377). Dorsal fin deeply notched; caudal fin deeply forked; scales ctenoid on body and head (Ref. 57395). Coloration: back olivaceous, sides silvery to white; dark spot at angle of opercle; sometimes several small, dark spots on dorsal-fin base (Ref. 57395). Fins grey (Ref. 5377).

Biologie     Glossaire (ex. epibenthic)

Inhabits coastal waters (Ref. 2683). Semipelagic, remains near the bottom during the day and moves up to the open water at night (Ref. 5377, 57395). Occasionally enters lagoons and estuaries at start of sexual maturation (Ref. 57395). Occurs over sandy and muddy bottoms. Feeds on invertebrates and small fishes (Ref. 5535).

Life cycle and mating behavior Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves

Distinct pairing during breeding (Ref. 205).

Référence principale Upload your references | Références | Coordinateur | Collaborateurs

Roux, C., 1990. Haemulidae. p. 783-788. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 2. (Ref. 6946)

Statut dans la liste rouge de l'IUCN (Ref. 130435)

  Quasi-menacé (NT) ; Date assessed: 16 May 2013

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

  Harmless




Utilisations par l'homme

Pêcheries: hautement commercial
FAO(pêcheries: production, Résumé espèce; publication : search) | FIRMS (Stock assessments) | FishSource | Sea Around Us

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Estimates based on models

Preferred temperature (Ref. 115969): 17.3 - 27.9, mean 21.5 (based on 210 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01288 (0.00817 - 0.02032), b=3.04 (2.91 - 3.17), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Niveau trophique (Ref. 69278):  3.0   ±0.44 se; based on food items.
Résilience (Ref. 120179):  Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (K=0.29-0.4; tmax=7;).
Prior r = 0.54, 95% CL = 0.36 - 0.81, Based on 1 full stock assessment.
Fishing Vulnerability (Ref. 59153):  Low vulnerability (20 of 100).
Climate Vulnerability (Ref. 125649):  Moderate to high vulnerability (48 of 100).
Catégorie de prix (Ref. 80766):   High.