| Food I | Food II | Food III | Food name | Country | Predator Stage |
|---|---|---|---|---|---|
| nekton | cephalopods | squids/cuttlefish | Loligo | Japan | adults |
| nekton | cephalopods | squids/cuttlefish | Illex | Japan | adults |
| nekton | cephalopods | squids/cuttlefish | Kondakovia longimana | Japan | adults |
| nekton | cephalopods | squids/cuttlefish | Teuthida | Japan | adults |
| nekton | finfish | bony fish | Exocoetidae | USA | adults |
| zooplankton | plank. crust. | n.a./other plank. crustaceans | Brachyura | Japan | adults |
| zooplankton | plank. crust. | n.a./other plank. crustaceans | Shrimps, prawns | Japan | adults |