分類 / Names
俗名 | 同種異名 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii
輻鰭魚綱 (條鰭魚) >
Siluriformes (Catfish) >
Doradidae (Thorny catfishes)
Etymology: Oxydoras: Greek, oxys = sharp + Greek, dora = skin (Ref. 45335). More on author: Bleeker.
環境 / 氣候 / 範圍
生態學
; 淡水 居於水底的. , preferred ?
South America: Paraná River basin.
大小 / 重量 / 年齡
Maturity: Lm ?  range ? - ? cm
Max length : 70.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 37054); 最大體重: 9.0 kg (Ref. 6868)
Omnivorous, feeding mainly on insects, crustaceans, mollusks, other invertebrates and some vegetable material (Ref. 6868).
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Burgess, W.E., 1989. An atlas of freshwater and marine catfishes. A preliminary survey of the Siluriformes. T.F.H. Publications, Inc., Neptune City, New Jersey (USA). 784 p. (Ref. 6868)
CITES (Ref. 94142)
Not Evaluated
人類使用
漁業: 商業性
更多資訊
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合作者照片Stamps, Coins聲音神經毒速度泳型鰓區Otoliths腦重體重比眼睛色素
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Estimates of some properties based on models
Phylogenetic diversity index (Ref.
82805): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01413 (0.00599 - 0.03330), b=3.01 (2.80 - 3.22), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.2 ±0.39 se; Based on food items.
回復力 (Ref.
69278): 中等的, 族群倍增時間最少 1.4 - 4.4年 (K=0.17).
瀕危性 (Ref.
59153): Moderate to high vulnerability (53 of 100) .