分類 / Names
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Anguilliformes (Eels and morays) >
Ophichthidae (Snake eels) > Ophichthinae
Etymology: Echelus: Greek, egchelys, -yos = eel (Ref. 45335); polyspondylus: Name from Greek 'poly' meaning many, and 'spondylos' for vertebrae, referring to its having more vertebrae.
than any of its congeners.
Environment: milieu / climate zone / depth range / distribution range
生態学
海 関連する礁. Subtropical
Northwest Pacific: Taiwan.
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 56.7 cm TL オス/雌雄の選別がない; (Ref. 106143); 53.7 cm TL (female)
簡単な記述
検索表 | 形態学 | 形態計測学
脊つい: 172 - 183. This elongate species is distinguished by the following characters: tail 65-69%, head 7.6-8.3%, body depth at gill opening 1.8-2.3% of total length; tail tip flexible, the caudal-fin rays covered by skin, but confluent with dorsal and anal; dorsal-fin origin is nearly 1 head length behind gill opening; pectoral fin pointed, not elongate and well-developed; posterior nostril is within upper lip, opening into mouth; small pores, inconspicuous, SO 1+4, IO 4+2, POM 6+3;
teeth are small, numerous and conical, biserial on jaws, uniserial on vomer; body coloration tan dorsally, pale ventrally, fins are pale except anal-fin membrane which is black before tail tip; total vertebrae 172-183, mean vertebral formula 20-53-177 (Ref. 106143).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
McCosker, J.E. and H.-C. Ho, 2015. New species of the snake eels Echelus and Ophichthus (Anguilliformes: Ophichthidae) from Taiwan. Zootaxa 4060(1):71-85. (Ref. 106143)
IUCNのレッドリストの状況は (Ref. 130435: Version 2024-1)
Human uses
用具
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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 = 0.5625 [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): 4.1 ±0.6 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 手段, １．４年～４．４年の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (43 of 100).
