分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Siluriformes (Catfishes)
鯰形目 (Catfishes) >
Doradidae (Thorny catfishes)
陶樂鯰科 (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
生態學
; 淡水 居於水底的; 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 / 年齡
成熟度: Lm 25.4, range 64 - ? cm
Max length : 68.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 125983); 90.1 cm SL (female); 最大體重: 7.5 kg (Ref. 125983); 最大體重: 7.5 kg
簡短描述
檢索表 | 型態特徵 | 形態測量圖
Nocturnal predator. Occurs in small groups. Feeds mainly on the fruits of Astrocaryum javary (Ref. 9084).
夜行的掠食者。 形成小群魚群。 主要吃 Astrocaryum javary 的果實。 (參考文獻 9084)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
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)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-1)
無危 (LC) ; Date assessed: 05 August 2020
人類使用
漁業: 商業性; 水族館: 公眾的水族館
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 = 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).
營養階層 (參考文獻
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.
回復力 (參考文獻
120179): 中等的, 族群倍增時間最少 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);
