Main Ref. | Turner, J.L., 1966 | ||
Fish stage | juv./adults | Mean length | 20.50 TL |
Sample size | 60 | Percent empty | 20 |
Country | USA | Locality | Sacramento-San Joaquin Delta |
Period |
|
Diet percent | Food I | Food II | Food III | Prey stage | Item Name | Comments |
---|---|---|---|---|---|---|
19.30 % | zoobenthos | benth. crust. | amphipods | juv./adults | Corophium | Corophium |
10.60 % | zoobenthos | mollusks | gastropods | juv./adults | snails | snails |
1.50 % | zoobenthos | insects | insects | larvae | Tendipedidae | Tendipedidae |
1.30 % | zoobenthos | insects | insects | nymphs | dragonfly | dragonfly nymphs |
16.50 % | zoobenthos | benth. crust. | isopods | juv./adults | Exosphaeroma oregonensis | Exosphaeroma oregonensis |
3.60 % | zooplankton | plank. crust. | mysids | juv./adults | Neomysis awatschensis | Neomysis awatschensis |
0.90 % | zoobenthos | worms | n.a./other annelids | juv./adults | annelids | |
3.30 % | zoobenthos | benth. crust. | n.a./other benth. crustaceans | n.a./others | Pacifastacus leniusculus | Pacifastacus leniusculus |
39.70 % | nekton | finfish | n.a./other finfish | juv./adults | finfish | |
3.30 % | plants | other plants | terrestrial plants | n.a./others | seeds | seeds |