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: Pterocryptis: Greek, pteron = wing, fin + Greek, kryptos = hidden (Ref. 45335); crenula: From the Latin crenula meaning small notch, in reference to the relatively shallow notch between the confluent anal and caudal fins diagnostic of this species. Used as a noun.
More on authors: Ng & Freyhof.
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. Tropical
Asia: northeastern Viet Nam.
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 12.5 cm SL オス/雌雄の選別がない; (Ref. 41525)
簡単な記述
検索表 | 形態学 | 形態計測学
背鰭 (合計) : 4; 臀鰭: 61 - 62; 脊つい: 55 - 58. With confluent anal and caudal fins separated only by a shallow notch, and a unique combination of the following characters: head width 13.8-14.7% SL, head depth 10-10.1% SL, and pelvic-fin length 6.6-7.3% SL (Ref. 41525).
Body shape (shape guide): elongated; Cross section: compressed.
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 J. Freyhof, 2001. A review of the catfish genus Pterocryptis (Siluridae) in Vietnam, with the description of two new species. J. Fish Biol. 59(3):624-644. (Ref. 41525)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
人間の用途
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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) |
3.6 ±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 (26 of 100). 🛈 |