分類 / 名稱
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Cichliformes (Cichlids, convict blennies)
鱸形目 (Cichlids, convict blennies) >
Cichlidae (Cichlids)
慈鯛科魚類 (Cichlids) > Cichlinae
Etymology: Crenicichla: Latin, crenulatus = cut, clipped + Greek, kichle = wrasse (Ref. 45335); yaha: From a Guaraní word, y' aha which means waterfall.
環境: 環境 / 氣候帶 / 深度上下限 / 配送範圍
生態學
; 淡水 底中水層性.
分布
領土 | FAO區域 | 生態系 | 發現紀錄 | 分布圖 | 簡介 | Faunafri
South America: Arroyo Urugua-í and río Iguazú basins in Argentina.
大小 / 重量 / 年齡
成熟度: Lm ?  range ? - ? cm
Max length : 14.6 cm SL 雄魚/尚未辨別雌雄; (Ref. 75970)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 20 - 22; 背的軟條 (總數) : 10 - 11; 臀棘: 3; 臀鰭軟條: 7 - 8; 脊椎骨: 35. Diagnosed from other congeners by the following combination of characters: posterior border of preopercle serrated; scales in E1 row 48-51; isognathous jaws or slightly prognathous upper jaw; suborbital stripe present; flanks with five or six dark rectangular blotches just below the upper lateral line along dorsal-fin base; and vertical stripes absent (Ref. 75970).
Body shape (shape guide): elongated.
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Casciotta, J.R., A.E. Almirón and S.E. Gómez, 2006. Crenicichla yaha sp. N. (Perciformes: Labroidei: Cichlidae), a new species from the río Iguazú and Arroyo Urugua-í basins, northeastern Argentina. Zoologische Abhabdlungen 56:107-112. (Ref. 75970)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-2 (Global))
無危 (LC) ; Date assessed: 18 November 2020
人類使用
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基於模型的估計
系統發育多樣性指數 (參考文獻 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
|
a=0.00741 (0.00337 - 0.01633), b=3.11 (2.93 - 3.29), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
營養階層 (參考文獻 69278) |
3.3 ±0.5 se; based on size and trophs of closest relatives |
回復力 (參考文獻 120179) |
高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.). |
釣魚的脆弱性 (Ref. 59153) |
Low vulnerability (22 of 100). 🛈 |