分類 / 名前
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Anguilliformes (Eels and morays) >
Anguillidae (Freshwater eels)
Etymology: Anguilla: Latin, anguilla, .-ae = eel (Ref. 45335); luzonensis: The species name is derived from Luzon Island where the type locality is situated.
Taxonomic Remarks
Most probably the same as Anguilla huangi Teng, Lin & Tzeng, 2009, priority remaining to establish.
環境:環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
海; 新鮮な水; 汽水性の 底生の; 降流性の (Ref. 83381). Tropical
Philippines: upper reaches of the Pinacanauan River system, a tributary of the Cagayan River in northern Luzon Island, Philippines.
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 100.0 cm TL オス/雌雄の選別がない; (Ref. 82698)
簡単な記述
検索表 | 形態学 | 形態計測学
脊つい: 103 - 106. An anguillid eel with variegated color marking with broad maxillary bands of teeth that is classified into the first group of Anguilla. Predorsal-fin length 28.6-33.1% of TL; preanal length 39.6-44.8% of TL; preanal length without head length (trunk length) 26.4-31.3% of TL; distance between the verticals through the anus and origin of the dorsal fin 9.3-13.9% of TL; LG 35.5-46.9% of HL; TV 103-107; and AV 40-42.
The body is elongate. Body color when fresh was mottled with yellow, olive green, and dark brown or black, but it changed after formalin fixation, with the coloration being more dark or obscured. HL 10.8-15.1% of TL, predorsal lengths without head length 15.5-19.7% of TL. Distance from perpendicular through eye-center on the margin of upper jaw to angle of gape 29.9-41.8% of LG. Caudal vertebrae 61-66. (Ref. 83381).
Body shape (shape guide): eel-like.
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Semelparous.
Watanabe, S. and J., Tsukamoto, K. Aoyama, 2009. A new species of freshwater eel Anguilla luzonensis (Teleostei: Anguillidae) from Luzon Island of the Philippines. Fish Sci 75: 387-392. (Ref. 83381)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
脆弱 (VU) (D2); Date assessed: 07 November 2018
人間の用途
用具
特記事項
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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 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00076 (0.00037 - 0.00157), b=3.17 (3.00 - 3.34), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
栄養段階 (参照 69278) |
3.7 ±0.7 se; based on size and trophs of closest relatives |
回復力 (参照 120179) |
非常に低い, 14年以上の倍増期間の最小個体群 (Preliminary K or Fecundity.). |
漁業の脆弱性 (Ref. 59153) |
High to very high vulnerability (68 of 100). 🛈 |