Main Ref. | Costa, J.L., C.A. Assis, P.R. Almeida, F.M. Moreira and M.J. Costa, 1992 | ||
Fish stage | juv./adults | Mean length | 38.20 TL |
Sample size | 210 | Percent empty | |
Country | Portugal | Locality | Alcochete and Vila Franca de Xira of the Upper zone, Tagus estuary (1988) |
Period |
|
Diet percent | Food I | Food II | Food III | Prey stage | Item Name | Comments |
---|---|---|---|---|---|---|
6.50 % | zoobenthos | benth. crust. | amphipods | juv./adults | amphipods | |
10.00 % | zoobenthos | mollusks | bivalves | juv./adults | bivalves | |
12.00 % | nekton | finfish | bony fish | juv./adults | bony fish | |
42.00 % | zoobenthos | benth. crust. | crabs | juv./adults | crabs | |
0.50 % | zoobenthos | mollusks | gastropods | juv./adults | gastropods | |
1.00 % | zoobenthos | insects | insects | adults | insects | |
3.00 % | zoobenthos | benth. crust. | isopods | juv./adults | isopods | |
1.00 % | zooplankton | plank. crust. | mysids | juv./adults | mysids | |
8.00 % | zoobenthos | worms | polychaetes | juv./adults | polychaetes | |
16.00 % | zoobenthos | benth. crust. | shrimps/prawns | juv./adults | shrimps/prawns |