分类 / Names
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Teleostei >
Anguilliformes (Eels and morays) >
Ophichthidae (Snake eels) > Ophichthinae
Etymology: Ichthyapus: Greek, ichthys = fish + Greek, a = without + Greek, pous = feet; keramanus: Named for Kerama Island.
Environment: milieu / climate zone / 深度上下限 / distribution range
生态学
海洋 居于水底的; 深度上下限 25 - 50 m (Ref. 13667). 溫帶
Western Pacific: known only from Kerama Island, Okinawa Prefecture, southern Japan.
西太平洋: 已知只來自慶良間島，琉球縣府，日本南部了。
大小 / 重量 / 年龄
成熟度: Lm ? range ? - ? cm
Common length : 27.6 cm TL 雄鱼/尚未辨别雌雄; (Ref. 13667)
简单描述
检索表 | 型态特徵 | 形态测量图
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
西太平洋: 已知只來自慶良間島，琉球縣府，日本南部了。
Machida, Y., H. Hashimoto and T. Yamakawa, 1997. Apterichtus keramanus, a new snake eel from Okinawa, southern Japan (Ophichthinae, Ophichthidae). Ichthyol. Res. 44(1):27-33. (Ref. 13667)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-1)
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Estimates based on models
Phylogenetic diversity index (参考文献
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00091 (0.00039 - 0.00215), b=2.99 (2.79 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (参考文献
69278): 3.7 ±0.6 se; based on size and trophs of closest relatives
回复力 (参考文献
120179): 高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (38 of 100).
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