Main Ref. | Grabe, S.A., 1996 | ||
Fish stage | recruits/juv. | Mean length | 6.50 TL |
Sample size | Percent empty | ||
Country | USA | Locality | lower Hudson River estuary, 1977 |
Period |
|
Diet percent | Food I | Food II | Food III | Prey stage | Item Name | Comments |
---|---|---|---|---|---|---|
4.20 % | zoobenthos | benth. crust. | amphipods | juv./adults | Corophium | 3.4% Corophium, 0.6% Gammarus, >0.1% Leptocheirus & Monoculodes |
95.50 % | zoobenthos | insects | insects | n.a./others | Chironomidae | 46.6% Chironomid larvae, 41.9% Formicidae, 1.7% Chironomidae pupae, 0.4% Lepidoptera larvae, 1.8% Aphididae, 1.2% Enallagma? durum, 0.2% Hemiptera nymph,0.2% Cicadellidae, 0.4% Lepidoptera larvae, <0.1% Trichoptera larvae |
0.30 % | zoobenthos | other benth. invertebrates | n.a./other benth. invertebrates | juv./adults | Hydracarina | Hydracarina |