分类 / 名称
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Anguilliformes (Eels and morays) >
Nettastomatidae (Duckbill eels)
Etymology: Nettastoma: Greek, netta = duck + Greek, stoma = mouth (Ref. 45335); melanura: From the Greek melan meaning black, dark, and oura meaning tail, referring presumably to the dark edges of the posterior part of the dorsal and anal fins.
More on author: Rafinesque.
环境：氛围 / 气候带 / 深度上下限 / 分布范围
生态学
海洋 深海区的; 深度上下限 0 - 1647 m (Ref. 4454), usually 329 - 860 m (Ref. 47377). 深水域; 45°N - 30°S, 98°W - 17°E
Eastern Atlantic: Portugal to the Gulf of Guinea including western Mediterranean. Western Atlantic: Gulf of Mexico to the Guianas and to southern Brazil (Ref. 47377).
東大西洋: 葡萄牙到幾內亞灣包括地中海西部。 西大西洋: 墨西哥灣到圭亞那與到巴西南部.(參考文獻 47377)
首次成熟时的长度 / 大小 / 重量 / 年龄
成熟度: Lm 53.5, range 42 - 68.2 cm
Max length : 79.8 cm TL 雄鱼/尚未辨别雌雄; (Ref. 96016); 最大体重: 255.50 g (Ref. 96016)
脊椎骨: 190 - 210. Usually five supratemporal pores, SO5 absent. Lateral line pores 43-49. Median vomerine teeth somewhat enlarged. Posterior nostril near anterodorsal margin of eye.
Body shape (shape guide): eel-like.
通常五个上颞骨孔, 如此 5 不存在。 侧线孔 43-49. 中动脉犁骨齿略微增大了。 在眼的前背部边缘附近的后鼻孔。
Occurs in holes on muddy bottoms of continental slope. Feeds mainly on crustaceans (Ref. 4776). Minimum depth reported taken from Ref. 86942.
在大陆斜坡的泥底部上出现于洞。 主要吃甲壳动物。 (参考文献 4776)
東大西洋: 葡萄牙到幾內亞灣包括地中海西部。 西大西洋: 墨西哥灣到圭亞那與到巴西南部.(參考文獻 47377)
Smith, D.G., 1990. Nettastomatidae. p. 172-175. 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. 1. (Ref. 4454)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
人类利用
渔业: 没有兴趣
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基于模型的估算
首选温度 (参考文献
123201): 5.4 - 14.4, mean 10.2 °C (based on 488 cells).
系统发育多样性指数 (参考文献
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00095 (0.00067 - 0.00137), b=2.95 (2.85 - 3.05), in cm total length, based on LWR estimates for this species (Ref.
93245).
营养阶层 (参考文献
69278): 3.5 ±0.50 se; based on food items.
回复力 (参考文献
120179): 低的, 最小族群倍增时间4.5 - 14 年 (Assuming tmax>10).
渔业脆弱性 (Ref.
59153): Moderate to high vulnerability (52 of 100).
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营养素 (Ref.
124155): Calcium = 12.3 [2.9, 50.7] mg/100g; Iron = 0.319 [0.093, 1.082] mg/100g; Protein = 18.2 [15.8, 20.8] %; Omega3 = 0.172 [0.056, 0.548] g/100g; Selenium = 15.7 [4.0, 65.6] μg/100g; VitaminA = 13.5 [1.5, 108.4] μg/100g; Zinc = 0.42 [0.19, 1.05] mg/100g (wet weight);
