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) > Cichlasomatinae
Etymology: Vieja: Spanish, vieja = old woman (Ref. 45335).
More on author: Steindachner.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性. 熱帶; 26°C - 30°C (Ref. 7335)
Central America: Atlantic slope, in the Grijalva and Usumacinta River basins in Mexico and Guatemala.
中美洲: 大西洋斜坡, 在 Grijalva 與 Usumacinta 河流域。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 30.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 36377)
Inhabits calm waters of lakes, lagoons and lower river valleys with slow to moderate flowing current. Feeds mainly on bottom detritus and vegetable matter but will eat most all forms of plant life from algal filaments to terrestrial plants.
用緩慢到中等的流動水流棲息於湖的平靜水域，潟湖與低的河谷。 主要吃底部碎屑與植物但是將吃從海藻的絲狀突起到陸生植物的植物生活的大多數所有表格。
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
500 eggs.中美洲: 大西洋斜坡, 在 Grijalva 與 Usumacinta 河流域。
Conkel, D., 1993. Cichlids of North and Central America. T.F.H. Publications, Inc., USA. (Ref. 7335)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)
人類使用
漁業: 商業性; 水族館: 商業性
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02692 (0.01189 - 0.06092), b=3.03 (2.84 - 3.22), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 2.0 ±0.00 se; based on food items.
回復力 (Ref.
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (27 of 100).
