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Brachydeuterus auritus (Valenciennes, 1832)

Bigeye grunt
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Brachydeuterus auritus   AquaMaps   Data sources: GBIF OBIS
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Image of Brachydeuterus auritus (Bigeye grunt)
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

Lippu pelon, Burro ojón, Отоперка, ... more

分類 / Names 共通名の | 類義語 | Catalog of Fishes(部類, 種) | 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 生態学

海; 汽水性の 底生の漂泳性; 深さの範囲 10 - 100 m (Ref. 57395), usually 15 - 80 m (Ref. 26999).   Tropical; 35°N - 16°S, 19°W - 14°E (Ref. 54289)

分布 国々 | 国連食糧農業機関の区域 | エコシステム | 事件 | Point map | 導入 | Faunafri

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

Length at first maturity / サイズ / 重さ / 年齢

Maturity: Lm 14.8  range ? - ? cm
Max length : 30.0 cm TL オス/雌雄の選別がない; (Ref. 57395); common length : 23.0 cm TL オス/雌雄の選別がない; (Ref. 3660); 最大記録サイズ: 7 年 (Ref. 1113)

簡単な記述 検索表 | 形態学 | 形態計測学

背面の脊椎 (合計) : 10 - 13; 背鰭 (合計) : 11 - 14; 肛門の骨: 3; 臀鰭: 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).

生物学     用語集 (例 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 | 繁殖 | Spawnings | Egg(s) | Fecundities | 幼生

Distinct pairing during breeding (Ref. 205).

主な参考文献 Upload your references | 参考文献 | コーディネーター | 協力者

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のレッドリストの状況は (Ref. 130435)

  絶滅危惧に近い (NT) ; Date assessed: 16 May 2013

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

  Harmless




Human uses

水産業: 高い商業の
FAO(水産業: 代謝, 種の外形; publication : search) | FIRMS (Stock assessments) | FishSource | 私達の周りの海

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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).
栄養段階 (Ref. 69278):  3.0   ±0.44 se; based on food items.
回復力 (Ref. 120179):  手段, １．４年～４．４年の倍増期間の最小個体群 (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).
価格帯 (Ref. 80766):   High.