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 / depth range / 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
Maturity: 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
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
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 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)
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 (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01995 (0.01455 - 0.02737), b=2.99 (2.90 - 3.08), in cm total length, based on LWR estimates for this species (Ref.
93245).
營養階層 (Ref.
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 (Ref.
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).
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);
