分類 / Names
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Anguilliformes (Eels and morays) >
Ophichthidae (Snake eels) > Ophichthinae
Etymology: Apterichtus: From the Greek απτερόν (apteron), without fins, and ίχθύς (ichtus, more correctly written ichthys; masculine), fish; jeffwilliamsi: Named for Jeffrey T. Williams (National Museum of Natural History, USNM).
Eponymy: Dr Jeffrey T Williams. (See Williams) (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
生態学
海 底生の漂泳性; 深さの範囲 4 - 16 m (Ref. 101270). Tropical
Western Central Pacific: Vanuatu.
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 30.5 cm TL (female)
簡単な記述
検索表 | 形態学 | 形態計測学
脊つい: 138 - 142. This species is distinguished by the following by the following characters: tail 1.7-1.8, head 13-16, and body depth 65-73 in total length; preopercular pores 4, supratemporal canal with 5-9 pores; teeth conical, uniserial on jaws and vomer; and with a single vomerine tooth; anterior nostril non-tubular, a hole; snout is sharp, slope approximately 30° relative to underside;
body colouration pinkish white, with numerous brown to orange spots that are less than eye diameter; MVF 58-140, total vertebrae 138-142 (Ref. 101270).
Captured over a rippled sand bottom. The largest female specimen (30.5 cm TL) was with ripened eggs, 0.7-0.9 mm in diameter (Ref. 101270).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
McCosker, J.E. and Y. Hibino, 2015. A review of the finless snake eels of the genus Apterichtus (Anguilliformes: Ophichthidae), with the description of five new species. Zootaxa 3941(1):49-78. (Ref. 101270)
IUCNのレッドリストの状況は (Ref. 130435: Version 2024-1)
Human uses
用具
特記事項
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インターネットの情報源
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=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
栄養段階 (Ref.
69278): 3.8 ±0.6 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 高い, １５か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (21 of 100).
