| Food I | Food II | Food III | Food name | Country | Predator Stage |
|---|---|---|---|---|---|
| nekton | cephalopods | squids/cuttlefish | unidentified | (not available) | adults |
| nekton | finfish | n.a./other finfish | unidentified | (not available) | adults |
| zooplankton | fish (early stages) | fish eggs/larvae | unidentified | Canada | adults |
| zooplankton | plank. crust. | n.a./other plank. crustaceans | unidentified | Canada | adults |