分類 / Names
共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa
Issue
Species-level distinctiveness of Tocantins and Amazonas Megalodoras not investigated.
Environment: milieu / climate zone / depth range / distribution range
生態学
; 新鮮な水 底生の. Tropical; 22°C - 25°C (Ref. 2059)
South America: Amazon, Tocantins and Essequibo River basins.
Length at first maturity / サイズ / 重さ / 年齢
Maturity: Lm ?, range 54 - ? cm
Max length : 53.0 cm SL オス/雌雄の選別がない; (Ref. 9081); 60.0 cm SL (female); common length : 49.0 cm SL オス/雌雄の選別がない; (Ref. 9081); 最大公表体重: 2.9 kg (Ref. 9081); 最大公表体重: 2.9 kg
Occurs in small groups and occasionally forms schools. Inhabits rivers. Is mainly diurnal. Feeds on the fruits of Licania longipetala and Astrocaryum jauary. Also feeds on pulmonate snails (Ref. 9086).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 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)
Human uses
水産業: 商業
用具
特記事項
XMLをダウンロードして下さい
インターネットの情報源
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=0.01000 (0.00559 - 0.01790), b=3.06 (2.90 - 3.22), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
栄養段階 (Ref.
69278): 2.7 ±0.39 se; based on food items.
回復力 (Ref.
120179): 手段, 1.4年~4.4年の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (49 of 100).