Brachydeuterus auritus (Valenciennes, 1832)
Bigeye grunt
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| Native range | All suitable habitat | Point map | Year 2050 |
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| This map was computer-generated and has not yet been reviewed. |
| Brachydeuterus auritus AquaMaps Data sources: GBIF OBIS |
分类 / 名称 俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei > 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.
Etymology: Brachydeuterus: Greek, brachys, eia = short + Greek, deuter = two (Ref. 45335).
More on author: Valenciennes.
环境：氛围 / 气候带 / 深度上下限 / 分布范围 生态学
海洋; 半咸淡水 底中水层性; 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 领土 | FAO区域 | 生态系 | 标本纪录 | 分布图 | 简介 | 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。
東大西洋: 摩洛哥到安哥拉。
首次成熟时的长度 / 大小 / 重量 / 年龄
成熟度: Lm 14.8 range ? - ? cm
Max length : 30.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 57395); common length : 23.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 3660); 最大年龄: 7 年 (Ref. 1113)
Max length : 30.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 57395); common length : 23.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 3660); 最大年龄: 7 年 (Ref. 1113)
简单描述 检索表 | 型态特徵 | 形态测量图
背棘 (总数) : 10 - 13; 背的软条 (总数) : 11 - 14; 臀棘: 3; 臀鳍软条: 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).
Body shape (shape guide): fusiform / normal.
嘴大的且斜, 眼大的; 银色的灰色颜色, 鳍灰色的.(参考文献 5377)
Body shape (shape guide): fusiform / normal.
嘴大的且斜, 眼大的; 银色的灰色颜色, 鳍灰色的.(参考文献 5377)
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).
栖息于沿岸水域。 (参考文献 2683) 在底部的附近保持在白天期间而且向上移动到开放水域在晚上。 (参考文献 5377) 生活在沙泥底之上。 吃无脊椎动物与小鱼。 (参考文献 5535)
栖息于沿岸水域。 (参考文献 2683) 在底部的附近保持在白天期间而且向上移动到开放水域在晚上。 (参考文献 5377) 生活在沙泥底之上。 吃无脊椎动物与小鱼。 (参考文献 5535)
生命周期和交配行为 成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Distinct pairing during breeding (Ref. 205).東大西洋: 摩洛哥到安哥拉。
主要参考文献
上传您的参考资料 | 参考文献 | 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)
CITES
Not Evaluated
对人类的威胁
无害处的
人类利用
渔业: 高经济性
FAO - 渔业: 着陆, 物种外形; Publication: search | FIRMS - Stock assessments | FishSource | 周边海洋
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基于模型的估算
首选温度 (参考文献 123201): 17.3 - 27.9, mean 21.5 °C (based on 210 cells).
系统发育多样性指数 (参考文献 82804): PD50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01288 (0.00817 - 0.02032), b=3.03 (2.90 - 3.16), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
营养阶层 (参考文献 69278): 3.0 ±0.44 se; based on food items.
回复力 (参考文献 120179): 中等的, 族群倍增时间最少 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.
营养素 (Ref. 124155): Calcium = 110 [23, 221] mg/100g; Iron = 0.883 [0.455, 1.714] mg/100g; Protein = 17.8 [16.0, 19.7] %; Omega3 = 0.244 [0.109, 0.450] g/100g; Selenium = 56 [30, 105] μg/100g; VitaminA = 33.3 [14.9, 71.8] μg/100g; Zinc = 1.75 [1.20, 2.52] mg/100g (wet weight);