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).
More on author: Heckel.
Issue
Species monograph in Kullander (1982); description of material from Rio Uruguay in Lucena & Kullander (1992: 101).
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性; pH range: 7.0 - ? ; dH range: 12 - ?; 河川洄游 (Ref. 51243). 亞熱帶的; 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.
南美洲: 巴拉納河流域,在巴西的巴拉圭河流域廣泛分佈與在巴拉圭與阿根廷巴拉圭與 Parana(在 Guaira 之下) 下游, 以及沿著 Rio Grande do Sul 巴西的海岸。 在巴西與烏拉圭也發現於烏拉圭河中下游。 在巴西與玻利維亞的 Guapore 河流域的亞馬遜河流域。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 20.9 cm TL 雄魚/尚未辨別雌雄; (Ref. 94981)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Females reach sexual maturity at 14 cm, males at 18 cm (Ref. 2060).南美洲: 巴拉納河流域,在巴西的巴拉圭河流域廣泛分佈與在巴拉圭與阿根廷巴拉圭與 Parana(在 Guaira 之下) 下游, 以及沿著 Rio Grande do Sul 巴西的海岸。 在巴西與烏拉圭也發現於烏拉圭河中下游。 在巴西與玻利維亞的 Guapore 河流域的亞馬遜河流域。
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 瀕危狀態 (Ref. 130435: Version 2024-2)
無危 (LC) ; Date assessed: 11 November 2020
人類使用
漁業: 沒有興趣; 水族館: 商業性
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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=0.00851 (0.00551 - 0.01316), b=3.08 (2.96 - 3.20), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.6 ±0.51 se; based on food items.
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 (11 of 100).
