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Brachydeuterus auritus (Valenciennes, 1832)
BIGEYE GRUNT
Life   Vertebrata   Fish   Haemulidae   Brachydeuterus


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Common name (e.g. trout)

Genus + Species (e.g. Gadus morhua)

Brachydeuterus auritus (Valenciennes , 1832)

Bigeye grunt Add your observation in Fish Watcher
Native range | All suitable habitat | Point map | Year 2100
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Brachydeuterus auritus   AquaMaps   Data sources: GBIF OBIS
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Pictures | Google image Image of Brachydeuterus auritus (Bigeye grunt) Brachydeuterus auritus
Picture by FAO

Classification / Names Common names | Synonyms | Catalog of Fishes ( gen. , sp. ) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > 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 Ecology

Marine; brackish; benthopelagic; depth range 10 - 100 m (Ref. 57395 ), usually 15 - 80 m (Ref. 26999 ).   Tropical; 35°N - 16°S, 19°W - 14°E (Ref. 54289 )

Distribution Countries | FAO areas | Ecosystems | 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 / Size / Weight / Age

Maturity: L m 14.8   range ? - ? cm
Max length : 30.0 cm TL male/unsexed; (Ref. 57395 ); common length : 23.0 cm TL male/unsexed; (Ref. 3660 )

Short description Morphology | Morphometrics

Dorsal spines (total): 10 - 13; Dorsal soft rays (total): 11-14; Anal spines : 3; Anal soft rays : 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 ).

Biology     Glossary (e.g. 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 Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Distinct pairing during breeding (Ref. 205 ).

Main reference Upload your references | References | Coordinator | Collaborators

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 )

IUCN Red List Status (Ref. 120744 )

  Near Threatened (NT)  ; Date assessed: 16 May 2013

CITES (Ref. 115941 )

Not Evaluated

CMS (Ref. 116361 )

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: highly commercial FAO(fisheries: production , species profile ; publication : search ) | FIRMS (Stock assessments) | FishSource | Sea Around Us

More information

Countries
FAO areas
Ecosystems
Occurrences
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Ecology
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Food consumption
Ration
Common names
Synonyms
Metabolism
Predators
Ecotoxicology
Reproduction
Maturity
Spawning
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Fecundity
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Length-frequencies
Morphometrics
Morphology
Larvae
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Recruitment
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References
Aquaculture
Aquaculture profile
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Allele frequencies
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Processing
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Speed
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Otoliths
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Tools

E-book | Field guide | Length-frequency wizard | Life-history tool | Point map | Classification Tree | Catch-MSY |

Special reports

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Summary page | Point data | Common names | Photos

Internet sources

Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes ( gen. , sp. ) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank( genome , nucleotide ) | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Tree of Life | Wikipedia( Go , Search ) | World Records Freshwater Fishing | Zoological Record

Estimates of some properties based on models

Preferred temperature (Ref. 115969 ): 17.3 - 27.9, mean 21.5 (based on 210 cells). Phylogenetic diversity index (Ref. 82805 ):  PD 50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high]. Bayesian length-weight: a=0.01288 (0.00809 - 0.02051), b=3.04 (2.91 - 3.17), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245 ). Trophic Level (Ref. 69278 ):  3.0   ±0.44 se; Based on food items. Resilience (Ref. 69278 ):  Medium, minimum population doubling time 1.4 - 4.4 years (K=0.29-0.4; tmax=7;). Prior r = 0.56, 95% CL = 0.37 - 0.85, Based on 4 stock assessments. Vulnerability (Ref. 59153 ):  Low to moderate vulnerability (33 of 100) . Price category (Ref. 80766 ):   High .

Entered by Froese, Rainer Modified by Musschoot, Tobias Fish Forum
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