分類 / Names
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.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性.
South America: Arroyo Urugua-í and río Iguazú basins in Argentina.
大小 / 重量 / 年齡
Maturity: 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).
Life cycle and mating behavior
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 2024-2)
無危 (LC) ; Date assessed: 18 November 2020
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00741 (0.00338 - 0.01626), b=3.10 (2.92 - 3.28), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.3 ±0.5 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
