分類 / 名前
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Siluriformes (Catfishes) >
Sisoridae (Sisorid catfishes) > Glyptosterninae
Etymology: Pseudecheneis: Greek, pseudes = false + Greek, echein = to hold + Greek, nays = ship; remora, suckling fish; 1774 (Ref. 45335); serracula: Derived from the Latin serraculum, meaning rudder, in reference to the large adipose fin of this species.
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: 8.0 - 8.5; 深さの範囲 0 - ? m (Ref. 55391), usually 0 - ? m (Ref. 55391). Tropical
Asia: Karnali and Gandaki drainages in Nepal.
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 15.3 cm SL オス/雌雄の選別がない; (Ref. 55391)
簡単な記述
検索表 | 形態学 | 形態計測学
背鰭 (合計) : 6 - 7; 臀鰭: 11 - 12; 脊つい: 36 - 38. Distinguished from its congeners by possessing a unique combination of the following characters: 36-38 vertebrae, strongly elevated neural spines of the last 2-3 preanal and first 6-7 postanal vertebrae, length of adipose-fin base 26.8-30.4% SL, pelvic fins reaching the base of the first anal-fin ray and the presence of pale spots on the body (Ref. 55391).
Body shape (shape guide): elongated.
Found in broad and shallow, well-oxygenated riffles with swift water velocities over rocky substrate (Ref. 55391). Feeds on aquatic insects (Ref. 55391). May spawn in upper reaches of rivers, then migrate downstream following spawning season (Ref. 55391).
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Ng, H.H. and D.R. Edds, 2005. Two new species of Pseudecheneis, rheophilic catfishes (Teleostei: Sisoridae) from Nepal. Zootaxa 1047:1-19. (Ref. 55391)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
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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=0.00589 (0.00261 - 0.01327), b=3.08 (2.88 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
栄養段階 (参照 69278) |
3.2 ±0.40 se; based on food items. |
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 (Preliminary K or Fecundity.). |
漁業の脆弱性 (Ref. 59153) |
Moderate vulnerability (42 of 100). 🛈 |