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: Regan.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水; 半鹹淡水 底中水層性; 河川洄游 (Ref. 51243); 深度上下限 10 - ? m. 熱帶; 26°C - 28°C (Ref. 36880); 17°N - 10°N
Central America: Atlantic slope, from the Usumacinta River drainage in Guatemala to the Chagres River in Panama.
中美洲: 大西洋斜坡, 在巴拿馬的瓜地馬拉到 Chagres 河的從 Usumacinta 河流域。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 25.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 36377)
Inhabits lakes and rivers but migrates to the extreme lower sections of the lower river valleys where current is slow. Prefers muddy and sandy bottoms and lives among submerged trees and logs for protection. Thrives well in shady bank areas of rivers. Able to tolerate brackish and marine conditions. Feeds on benthic detritus consisting of vegetable matter, both aquatic and terrestrial plants, seeds and fruits.
棲息於湖與河但是迴游到水流慢的下面河谷的極端低部分。 偏愛泥濘多沙的底部而且生活在水下的樹，而且圓木尋求保護。 在河的暗岸區域中繁榮得好。 能容忍半鹹淡而海洋的環境。 吃被包含植物的底棲的碎屑, 水生的與陸生植物，種子與果實。
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
Spawns in an open water and produces about 600-1000 fry per spawning. Both parents participate in caring the young.中美洲: 大西洋斜坡, 在巴拿馬的瓜地馬拉到 Chagres 河的從 Usumacinta 河流域。
Conkel, D., 1993. Cichlids of North and Central America. T.F.H. Publications, Inc., USA. (Ref. 7335)
人類使用
漁業: 商業性; 養殖: 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 (0.01216 - 0.05956), b=3.04 (2.86 - 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 vulnerability (21 of 100).
