分類 / 名前
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Anguilliformes (Eels and morays) >
Ophichthidae (Snake eels) > Ophichthinae
Etymology: Ichthyapus: Greek, ichthys = fish + Greek, a = without + Greek, pous = feet; insularis: From the Latin word insularis, of an island, referring to its apparent endemic location.
More on author: McCosker.
環境:環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
海 関連する礁; 深さの範囲 0 - 1 m (Ref. 76875). Tropical
Southeast Atlantic: known only from Acension Is.
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 42.7 cm TL オス/雌雄の選別がない; (Ref. 76875)
簡単な記述
検索表 | 形態学 | 形態計測学
脊つい: 121 - 126. An elongate finless species of sphagebranchin (sensu McCosker 1977)ophichthine with: tail 57-60% and head 9- 11% of total length; 4 preopercular pores and 5 pores in supratemporal canal; teeth conical, uniserial on jaws and vomer; body mostly colorless in preservative; and mean vertebral formula -45-123.5, total vertebrae 121-126.
Body shape (shape guide): eel-like; Cross section: circular.
Collected among rocks and sand.
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
McCosker, J.E., 2004. A new species of finless snake eel (Anguilliformes: Ophichthidae) from Ascension Island, with comments on Ichthyapus acutirostris. Proc. Calif. Acad. Sci. 55(7):169-173. (Ref. 76875)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
人間の用途
用具
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インターネットの情報源
モデルに基づく推定値
系統多様性指数 (参照 82804) |
PD50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00093 (0.00041 - 0.00212), b=2.99 (2.79 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
栄養段階 (参照 69278) |
3.7 ±0.6 se; based on size and trophs of closest relatives |
回復力 (参照 120179) |
高い, 15か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.). |
漁業の脆弱性 (Ref. 59153) |
Low to moderate vulnerability (27 of 100). 🛈 |