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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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Image of Brachydeuterus auritus (Bigeye grunt)
Brachydeuterus auritus
Picture by FAO

Common names from other countries

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

分類 / Names 俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa

Teleostei > Eupercaria/misc (Various families in series Eupercaria) 鱸形目 (Various families in series Eupercaria) > Haemulidae (Grunts) 仿石鱸科 (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 生態學

海洋; 半鹹淡水 底中水層性; 深度上下限 10 - 100 m (Ref. 57395), usually 15 - 80 m (Ref. 26999).   熱帶; 35°N - 16°S, 19°W - 14°E (Ref. 54289)

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri

Eastern Atlantic: west coast of Africa, from Mauritania to Angola (Ref. 57395). Also reported from Morocco (Ref. 2135).
東大西洋: 摩洛哥到安哥拉。

Length at first maturity / 大小 / 重量 / 年齡

Maturity: Lm 14.8  range ? - ? cm
Max length : 30.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 57395); common length : 23.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 3660); 最大年齡: 7 年 (Ref. 1113)

簡短描述 檢索表 | 型態特徵 | 形態測量圖

背棘 (總數) : 10 - 13; 背的軟條 (總數) : 11 - 14; 臀棘: 3; 臀鰭軟條: 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).
嘴大的且斜, 眼大的; 銀色的灰色顏色, 鰭灰色的.(參考文獻 5377)

生物學特性     字彙 (例如 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).

棲息於沿岸水域。 (參考文獻 2683) 在底部的附近保持在白天期間而且向上移動到開放水域在晚上。 (參考文獻 5377) 生活在沙泥底之上。 吃無脊椎動物與小魚。 (參考文獻 5535)

Life cycle and mating behavior Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚

Distinct pairing during breeding (Ref. 205).東大西洋: 摩洛哥到安哥拉。

主要參考資料 Upload your references | 參考文獻 | 合作者 | 合作者

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 瀕危狀態 (Ref. 130435)

  近危 (NT) ; Date assessed: 16 May 2013

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

  無害處的




人類使用

漁業: 高經濟性
FAO(漁業: 產生, 魚種描繪; publication : search) | FIRMS (Stock assessments) | FishSource | 周邊海洋

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參考文獻

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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).
營養階層 (Ref. 69278):  3.0   ±0.44 se; based on food items.
回復力 (Ref. 120179):  中等的, 族群倍增時間最少 1.4 - 4.4年 (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).
價格種類 (Ref. 80766):   High.