分類 / 名前
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Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Cichlinae
Etymology: Crenicichla: Latin, crenulatus = cut, clipped + Greek, kichle = wrasse (Ref. 45335).
More on author: Heckel.
Taxonomic Remarks
Species monograph in Kullander (1982); description of material from Rio Uruguay in Lucena & Kullander (1992: 101).
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; pH range: 7.0 - ? ; dH range: 12 - ?; potamodromous (Ref. 51243). Subtropical; 23°C - 28°C (Ref. 2060)
South America: Paraná River basin, widespread in the Paraguay River drainage in Brazil and Paraguay and the lower Paraná (below Guaira) in Paraguay and Argentina, and also along the coast of the Rio Grande do Sul, Brazil. Also found in the middle and lower Uruguay River in Brazil and Uruguay. Amazon River basin in the Guaporé River drainage in Brazil and Bolivia.
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 20.9 cm TL オス/雌雄の選別がない; (Ref. 94981)
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Females reach sexual maturity at 14 cm, males at 18 cm (Ref. 2060).
Lucena, C.A.S. and S.O. Kullander, 1992. The Crenicichla (Teleostei: Cichlidae) species of the Uruguai River drainage in Brazil. Ichthyol. Explor. Freshwat. 3(2):97-160. (Ref. 26688)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
人間の用途
水産業: 興味がない; 水族館・水槽: 商業
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=0.00851 (0.00555 - 0.01306), b=3.08 (2.96 - 3.20), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245). |
栄養段階 (参照 69278) |
3.6 ±0.51 se; based on food items. |
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). 🛈 |