分類 / Names
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Siluriformes (Catfish) >
Doradidae (Thorny catfishes)
Etymology: Lithodoras: Greek, lithos = stone + Greek, dora = skin (Ref. 45335).
環境 / 気候 / 範囲
生態学
; 新鮮な水 底生の; potamodromous (Ref. 51243). Tropical, preferred ?
South America: Amazon River basin and estuary near Cayenne, French Guiana.
サイズ / 重さ / 年齢
Maturity: Lm ?  range ? - ? cm
Max length : 100.0 cm TL オス/雌雄の選別がない; (Ref. 35381); 最大公表体重: 15.0 kg (Ref. 35381)
背面の脊椎 (合計): 1; 背鰭 (合計): 6; 臀鰭: 13 - 14. Body elongated, without scales, almost covered with bony plaque, ventrally flattened in adults. Terminal mouth has three pairs of barbels. Lower jaw is shorter than the upper jaw. Eyes small (Ref. 35381).
Feeds on fruits when the forests are flooded and on the blades of macrophytes. Acts as seed dispersal agent (Ref. 6868). Reproduction occurs once a year and juveniles are often seen in large numbers in the estuary of the Amazon, in the region of Mario (Ref. 35381).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
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)
CITES (Ref. 94142)
Not Evaluated
Human uses
水産業: 少数商業の; 水族館・水槽: 商業
より多くの情報
参考文献水産養殖水産養殖の紹介緊張遺伝子の対立遺伝子頻度遺伝病気行列Mass conversion
協力者画像Stamps, Coins音シガテラ(食中毒の名前)速度泳ぐ 型式カマOtoliths脳視覚
用具
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インターネットの情報源
Estimates of some properties based on models
Phylogenetic diversity index (Ref.
82805): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00813 (0.00358 - 0.01848), b=3.06 (2.86 - 3.26), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
栄養段階 (Ref.
69278): 2.0 ±0.00 se; Based on food items.
回復力 (Ref.
69278): 低い, 4.5年~14年の倍増期間の最小個体群 (Preliminary K or Fecundity.).
弱み (Ref.
59153): High vulnerability (57 of 100) .