分類 / 名前
共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa
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Siluriformes (Catfishes) >
Siluridae (Sheatfishes)
Etymology: Kryptopterus: Greek, kryptos = hidden + Greek, pteron = wing. Fin (Ref. 45335); piperatus: Named from the Latin adjective 'piperatus', meaning peppered, in reference to the scattered black spots on the flanks.
環境:環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
; 新鮮な水 底生の漂泳性. Tropical
Asia: Lembang River, Alas River drainage in Sumatra, Indonesia.
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 10.7 cm SL オス/雌雄の選別がない; (Ref. 52489)
簡単な記述
検索表 | 形態学 | 形態計測学
背鰭 (合計) : 2 - 3; 臀鰭: 49 - 53; 脊つい: 44 - 45. Distinguished from all other species of Kryptopterus by the following unique combination of characters: body with pale brown coloration with scattered black spots on flanks; head width 11.4-12.0% SL; body depth at anus 22.3-24.3% SL; eye diameter 20.3-25.3% HL; maxillary barbels extending to anal origin; anal fin with 49-53 rays; and gill rakers 16-17 (Ref. 52489).
Body shape (shape guide): elongated.
The type locality is a small river under primary forest cover and with a moderate current, turbid water and with many fallen trees and a muddy substrate. Also found in areas with clear water and substrate consisting of sand and gravel (Ref. 52489).
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., S. Wirjoatmodjo and R.K. Hadiaty, 2004. Kryptopterus piperatus, a new species of silurid catfish (Teleostei: Siluridae) from northern Sumatra. Ichthyol. Explor. Freshwat. 15(1):91-95. (Ref. 52489)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
脆弱 (VU) (B2ab(ii,iii); D2); Date assessed: 22 May 2019
人間の用途
水産業: 興味がない
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=0.00562 (0.00279 - 0.01132), b=3.00 (2.83 - 3.17), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
栄養段階 (参照 69278) |
3.8 ±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 vulnerability (24 of 100). 🛈 |