分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Siluriformes (Catfishes) >
Doradidae (Thorny catfishes) > Doradinae
Etymology: Pterodoras: Greek, pteron = wing, fin + Greek, doras = skin (Ref. 45335).
More on author: Valenciennes.
Issue
Specimens from Guyana and Suriname tentatively referred to P. granulosus. Species-level distinctiveness of Paraná and Amazonas Pterodoras not investigated.
Environment: milieu / climate zone / 深度上下限 / distribution range
生态学
; 淡水 居于水底的; pH range: 7.5 - ?; 河川洄游 (Ref. 51243). 亞熱帶的; 20°C - 24°C (Ref. 2060)
South America: Amazon and Paraná River basins and coastal drainages in Guyana and Suriname.
南美洲: 在蓋亞那與蘇利南的亞馬遜河與巴拉納河流域與海岸的流域。
Length at first maturity / 大小 / 重量 / 年龄
成熟度: Lm 25.4, range 64 - ? cm
Max length : 68.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 125983); 90.1 cm SL (female); 最大体重: 7.5 kg (Ref. 125983); 最大体重: 7.5 kg
简单描述
检索表 | 型态特徵 | 形态测量图
Nocturnal predator. Occurs in small groups. Feeds mainly on the fruits of Astrocaryum javary (Ref. 9084).
夜行的掠食者。 形成小群鱼群。 主要吃 Astrocaryum javary 的果实。 (参考文献 9084)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
南美洲: 在蓋亞那與蘇利南的亞馬遜河與巴拉納河流域與海岸的流域。
Sabaj, M.H. and C.J. Ferraris Jr., 2003. Doradidae (Thorny catfishes). p. 456-469. 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. 37054)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-1)
人类利用
渔业: 商业性; 水族馆: 公众的水族馆
工具
特别资料
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网络资源
Estimates based on models
Phylogenetic diversity index (参考文献
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02344 (0.01799 - 0.03055), b=2.97 (2.89 - 3.05), in cm total length, based on LWR estimates for this species (Ref.
93245).
营养阶层 (参考文献
69278): 2.6 ±0.29 se; based on food items.
Generation time: 6.1 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
回复力 (参考文献
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (K=0.18).
Fishing Vulnerability (Ref.
59153): High vulnerability (55 of 100).
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Nutrients (Ref.
124155): Calcium = 56.6 [28.9, 133.9] mg/100g; Iron = 1.37 [0.78, 2.37] mg/100g; Protein = 17.6 [16.4, 18.8] %; Omega3 = 0.561 [0.217, 1.476] g/100g; Selenium = 34.3 [14.6, 75.2] μg/100g; VitaminA = 15.2 [5.2, 42.0] μg/100g; Zinc = 1.1 [0.7, 1.6] mg/100g (wet weight);
