分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Anguilliformes (Eels and morays)
鰻鱺目 (Eels and morays) >
Ophichthidae (Snake eels)
蛇鰻科 (Snake eels) > Ophichthinae
Etymology: Apterichtus: From the Greek απτερόν (apteron), without fins, and ίχθύς (ichtus, more correctly written ichthys; masculine), fish; orientalis: The name orientalis refers to its type locality, the Far East.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 居於水底的; 深度上下限 79 - 81 m (Ref. 101270). 溫帶
Northwest Pacific: known only from the type locality, off the Kii Peninsula, western Japan.
西北太平洋: 已知只來自模式標本產地了, 外海的日本西部的紀伊半島。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 44.3 cm TL 雄魚/尚未辨別雌雄; (Ref. 13362); 31.8 cm TL (female)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 0; 背的軟條 (總數) : 0; 臀棘: 0; 臀鰭軟條: 0; 脊椎骨: 133. This species is distinguished by the following characters: tail 1.8, head 12-14, and body depth 53-55 in total length; preopercular pores 3 and pores in supratemporal canal 7; conical teeth, uniserial, 9 in ethmoidal region, 1 tooth on vomer; body coloration uniform pale yellow with small brownish dots, lighter ventrally; MVF 54-132, total vertebrae 131-133 (n=2) (Ref. 101270).
吻尖與尾部尖的; 所有的鰭不存在。 保存的標本均勻白黃色在上顳骨管之前有小的褐色點 , 頭部略微比較深色的, 腹面顏色淡的。
Inhabits sandy mud bottoms.
棲息於沙泥底。
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
西北太平洋: 已知只來自模式標本產地了, 外海的日本西部的紀伊半島。
Machida, Y. and S. Ohta, 1994. A new snake-eel, Apterichtus orientalis, from the Pacific coast of western Japan (Opichthinae, Ophichthidae). Jap. J. Ichthyol. 41(1):1-5. (Ref. 13362)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-1)
無危 (LC) ; Date assessed: 12 November 2019
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [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).
營養階層 (Ref.
69278): 3.9 ±0.7 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (34 of 100).
