分類 / 名前
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Siluriformes (Catfishes) >
Amphiliidae (Loach catfishes) > Amphiliinae
Etymology: Amphilius: Greek, amphi = on both sides + Greek, leios = fat.
More on author: Boulenger.
環境:環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
; 新鮮な水 底生の; pH range: 6.5 - 7.7; dH range: 10 - 20. Tropical; 18°C - 22°C (Ref. 2059); 13°N - 4°N
Africa: St. John River in Liberia to the Mono River in Togo (Ref. 57128). Also recorded from the upper Lofa (Guinea), Cross (Nigeria) and Baoulé (upper Niger basin, Mali)(Ref. 57128). Report from Sewa River in Guinea (Ref. 3818, 13331) unconfirmed in Ref. 57128.
初回成熟時の長さ / サイズ / 重さ / 年齢
成熟: Lm 4.0  range ? - ? cm
Max length : 9.3 cm SL オス/雌雄の選別がない; (Ref. 31256)
背面の脊椎 (合計) : 0; 背鰭 (合計) : 7; 肛門の骨: 0; 臀鰭: 7 - 9. Diagnosis: head short; eyes in dorsal position, at about midpoint of head length; barbels long and slender, extending beyond hind margin of head; branchiostegal membrane deeply notched; predorsal distance (=distance from head to dorsal fin) over 20% of standard length; dorsal-fin base above, or slightly ahead of pelvic-fin insertions; fins rounded, their principal simple ray shorter than the adjacent branched rays; a long urogenital papilla in males, its length over 5% of standard length; caudal peduncle short and deep; caudal fin slightly forked (Ref. 57128).
Body shape (shape guide): elongated.
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Skelton, P.H., L.M. Risch and D. Paugy, 2003. Amphiliidae. p. 117-143 In C. Lévêque, D. Paugy and G.G. Teugels (eds.) Faune des poissons d'eaux douce et saumâtres de l'Afrique de l'Ouest, Tome 2. Coll. Faune et Flore tropicales 40. Musée Royal de l'Afrique Centrale, Tervuren, Belgique, Museum National d'Histoire Naturalle, Paris, France and Institut de Recherche pour le Développement, Paris, France. 815 p. (Ref. 57128)
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
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=0.00490 (0.00202 - 0.01186), b=3.15 (2.94 - 3.36), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
栄養段階 (参照 69278) |
3.0 ±0.3 se; based on size and trophs of closest relatives |
回復力 (参照 120179) |
手段, 1.4年~4.4年の倍増期間の最小個体群 (Assuming Fec < 10,000). |
漁業の脆弱性 (Ref. 59153) |
Low to moderate vulnerability (35 of 100). 🛈 |