主な参照 | Stevens, D.E., 1966 | ||
Fish stage | recruits/juv. | 平均長さ | 15.00 TL |
Sample size | 365 | Percent empty | 29 |
国 | USA | 現場 | Sacramento-San Joaquin Delta in California, 1963-1964 |
周期 |
|
Diet percent | 餌 Ⅰ | 餌 Ⅱ | 餌 Ⅲ | 捕獲段階 | Item Name | コメント |
---|---|---|---|---|---|---|
7.00 % | nekton | finfish | bony fish | juv./adults | bony fish | |
8.00 % | nekton | finfish | bony fish | juv./adults | bony fish | |
36.00 % | nekton | finfish | bony fish | juv./adults | anchovies | sardines & anchovies |
38.00 % | nekton | finfish | bony fish | juv./adults | Dorosoma petenense | Dorosoma petenense |
11.00 % | zooplankton | plank. crust. | mysids | juv./adults | Neomysis awatschensis | Neomysis awatschensis |