分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Anguilliformes (Eels and morays) >
Nettastomatidae (Duckbill eels)
Etymology: Nettenchelys: Greek, netta = duck + Greek, enchelys, -yos = eel (Ref. 45335); exoria: From the Greek exorios meaning beyond the frontier, in reference to the posterior nostrils, which have migrated beyond the occiput and are located behind the head (Ref. 40819).
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 深海底的; 深度上下限 277 - 494 m (Ref. 40819). 深水域
Western Central Atlantic: USA (Florida), the Bahamas and Cuba.
中西大西洋: 在巴哈馬的西北與上帝峽道東北部的外海佛羅里達與從聯接的海岸東北部。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 46.7 cm TL 雄鱼/尚未辨别雌雄; (Ref. 40819)
简单描述
检索表 | 型态特徵 | 形态测量图
Posterior nostril behind occiput, between supratemporal canal and dorsal-fin origin. Median supratemporal pore absent, apparently obliterated by nasal tube. Anterior vomerine teeth not enlarged. Predorsal 32-34% preanal, head 31-34% preanal.
在后脑部后面的后鼻孔, 在上颞骨管与背鳍起点之间。 中动脉上颞骨孔不存在, 显然地藉着鼻管涂去。 前面的犁骨齿不增大了。 前背的 32-34% 肛门前的, 头部 31-34% 肛门前的。
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
中西大西洋: 在巴哈馬的西北與上帝峽道東北部的外海佛羅里達與從聯接的海岸東北部。
Smith, D.G., J.E. Böhlke and P.H.J. Castle, 1981. A revision of the nettastomatid eel genera Nettastoma and Nettenchelys (Pisces: Anguilliformes), with descriptions of six new species. Proc. Biol. Soc. Wash. 94(2):535-560. (Ref. 40819)
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Estimates based on models
Preferred temperature (Ref.
123201): 10 - 17.5, mean 13.1 °C (based on 28 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00089 (0.00036 - 0.00223), b=2.98 (2.77 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.4 ±0.5 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 低的, 最小族群倍增时间4.5 - 14 年 (Assuming tmax>10).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (37 of 100).
