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: Petenia: Named for Lake Peten in Guatemala (Ref. 45335).
Eponymy: This is a toponym referring to Lake Petén, Guatemala, the type locality. (Ref. 128868), visit book page.
More on author: Günther.
Environment: milieu / climate zone / 深度上下限 / distribution range
生態學
; 淡水 居於水底的; pH range: 7.0 - 7.5; dH range: 15 - ?. 熱帶; 26°C - 30°C (Ref. 7335)
Central America: Atlantic slope of Grijalva River to Usumacinta River (Mexico), Usumacinta River (Guatemala), and Belize.
中美洲: 到 Usumacinta 河 (墨西哥) ， Usumacinta 河 (瓜地馬拉) 與貝里斯的 Grijalva 河的大西洋斜坡。
大小 / 重量 / 年齡
成熟度: Lm ? range ? - ? cm
Max length : 50.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 36377)
Inhabits lakes and lower river valleys. Prefers lower and middle reaches of rivers in the slower moving waters with soft substrate of sand and mud. Feeds on fish.
棲息於湖與低的河谷。 在比較慢的移動水域中偏愛河的下游的與中游範圍有軟的沙子與泥的底部。 吃魚。
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
中美洲: 到 Usumacinta 河 (墨西哥) ， Usumacinta 河 (瓜地馬拉) 與貝里斯的 Grijalva 河的大西洋斜坡。
Kullander, S.O., 2003. Cichlidae (Cichlids). p. 605-654. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 36377)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-1)
無危 (LC) ; Date assessed: 22 October 2018
人類使用
漁業: 商業性
工具
特別的報告
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網路資源
Estimates based on models
Phylogenetic diversity index (參考文獻
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02188 (0.01332 - 0.03594), b=3.04 (2.90 - 3.18), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
營養階層 (參考文獻
69278): 4.5 ±0.80 se; based on food items.
回復力 (參考文獻
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): Moderate vulnerability (44 of 100).
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Nutrients (Ref.
124155): Calcium = 96.4 [51.8, 204.5] mg/100g; Iron = 1.47 [0.81, 3.03] mg/100g; Protein = 19.4 [17.8, 20.9] %; Omega3 = 0.492 [0.189, 1.440] g/100g; Selenium = 64 [27, 137] μg/100g; VitaminA = 55.2 [11.6, 208.0] μg/100g; Zinc = 1.14 [0.75, 1.80] mg/100g (wet weight);
