| Food I | Food II | Food III | Food name | Country | Predator Stage |
|---|---|---|---|---|---|
| nekton | cephalopods | squids/cuttlefish | Cephalopods | USA | juv./adults |
| nekton | cephalopods | squids/cuttlefish | Loligo | Russia | adults |
| nekton | cephalopods | squids/cuttlefish | Illex | Russia | adults |
| nekton | cephalopods | squids/cuttlefish | Kondakovia longimana | Russia | adults |
| nekton | cephalopods | squids/cuttlefish | Teuthida | Russia | adults |
| nekton | finfish | bony fish | Ranzania laevis | (not available) | juv./adults |
| nekton | finfish | bony fish | Exocoetidae | USA | adults |
| zoobenthos | benth. crust. | crabs | Decapods | USA | juv./adults |
| zooplankton | plank. crust. | n.a./other plank. crustaceans | Brachyura | Russia | adults |
| zooplankton | plank. crust. | n.a./other plank. crustaceans | Shrimps, prawns | Russia | adults |