主要的食物 | 百分比 |
营养阶层 (y) |
掠食生活阶段 | 国家 | 地点 | 参考文献 |
---|---|---|---|---|---|---|
detritus | 65 | 2.1 | juv./adults | Brazil | River/flood, upper rio Tocantins, Feb. 1996 - Oct.1996 | 54191 |
detritus | 59 | 2.3 | juv./adults | Brazil | River/drought, upper rio Tocantins, Feb. 1996 - Oct.1996 | 54191 |
detritus | 63 | 2.3 | juv./adults | Brazil | Reservoir/lotic, upper rio Tocantins, Dec. 1996 - Apr.1998 | 54191 |
detritus | 53 | 2.5 | juv./adults | Brazil | Reservoir/lentic, upper rio Tocantins, Dec. 1996 - Apr.1998 | 54191 |