Main Ref. | Ferriz, R.A., 1989 | ||
Fish stage | juv./adults | Mean length | 27.90 TL |
Sample size | 35 | Percent empty | |
Country | Argentina | Locality | Ramos MexĂa Reservoir, winter 1983 |
Period |
|
Diet percent | Food I | Food II | Food III | Prey stage | Item Name | Comments |
---|---|---|---|---|---|---|
0.30 % | zoobenthos | benth. crust. | amphipods | juv./adults | amphipods | |
1.70 % | zoobenthos | mollusks | gastropods | juv./adults | Chilina gibbosa | Chilina gibbosa |
0.90 % | zoobenthos | insects | insects | larvae | Caenis sp. | Caenis sp. |
1.10 % | zoobenthos | insects | insects | larvae | Aeshnidae | Aeshnidae |
2.60 % | zoobenthos | insects | insects | larvae | Nectopsiche sp. | Nectopsiche sp. |
89.70 % | zoobenthos | insects | insects | larvae | Chironomidae | Chironomidae larvae |
3.40 % | zoobenthos | worms | n.a./other annelids | juv./adults | Hirudinea | Hirudinea |
0.30 % | zoobenthos | benth. crust. | ostracods | juv./adults | ostracods |