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: Günther.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性; pH range: 7.5 - ? ; dH range: 10 - 20; 河川洄游 (Ref. 51243). 熱帶; 23°C - 30°C (Ref. 7335)
North America: Atlantic slope, from the Papaloapán River to the Chachalacas River basin in Mexico.
北美洲: 大西洋斜坡，從 Papaloapan 河到 Chachalacas 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, preferring mesotrophic waters with a mud or sand bottom. Some populations have migrated into the lower river valleys with slow to moderate flowing waters. Feeds mainly on plant and vegetable matter supplemented by invertebrates and aquatic insects.
棲息於湖, 偏愛中營養的水域具有一個泥或砂質底部。 一些族群已經用緩慢到中等的流動水域迴游進入下面的河谷之內。 主要吃植物，而且植物附加了無脊椎動物與水生昆蟲。
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Breeding pairs lay eggs on wood, rock or in the sand.北美洲: 大西洋斜坡，從 Papaloapan 河到 Chachalacas 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 2024-1)
無危 (LC) ; Date assessed: 05 September 2018
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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): 2.7 ±0.27 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).
