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Teleostei >
Siluriformes (Catfishes) >
Doradidae (Thorny catfishes) > Doradinae
Etymology: Pterodoras: Greek, pteron = wing, fin + Greek, doras = skin (Ref. 45335).
More on author: Valenciennes.
Taxonomic Remarks
Specimens from Guyana and Suriname tentatively referred to P. granulosus. Species-level distinctiveness of Paraná and Amazonas Pterodoras not investigated.
环境:氛围 / 气候带 / 深度上下限 / 分布范围
生态学
; 淡水 居于水底的; pH range: 7.5 - ?; 河川洄游 (Ref. 138143). 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。
首次成熟时的长度 / 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 predators. Adults occur in small groups. They feed 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)
生命周期和交配行为
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 2025-2 (Global))
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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基于模型的估算
系统发育多样性指数 (参考文献
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02344 (0.01787 - 0.03076), 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).
渔业脆弱性 (Ref.
59153): High vulnerability (55 of 100).
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营养素 (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);