| Food I | Food II | Food III | Food name | Country | Predator Stage |
|---|---|---|---|---|---|
| zoobenthos | echinoderms | sea urchins | Arbacia dufresnii | Argentina | juv./adults |
| zoobenthos | echinoderms | sea urchins | unspecified sea urchin | Chile | juv./adults |
| zoobenthos | mollusks | bivalves | unspecified bivalve | Chile | juv./adults |
| zoobenthos | mollusks | bivalves | Aulacomya atra | Argentina | juv./adults |
| zoobenthos | mollusks | bivalves | Aequipecten tehuelchus | Argentina | juv./adults |
| zoobenthos | mollusks | bivalves | Zygochlamys patagonica | (not available) | juv./adults |
| zoobenthos | mollusks | bivalves | Diplodonta patagonica | Argentina | juv./adults |
| zoobenthos | mollusks | bivalves | Eurhomalea exalbida | Argentina | juv./adults |
| zoobenthos | mollusks | bivalves | Protothaca antiqua | Adelaide I. | juv./adults |
| zoobenthos | mollusks | gastropods | Crepidula dilatata | Argentina | juv./adults |
| zoobenthos | mollusks | gastropods | unspecified gastropod | Chile | juv./adults |
| zoobenthos | mollusks | gastropods | Notocochlis isabelleana | Argentina | juv./adults |
| zoobenthos | mollusks | gastropods | Pinuca chilensis | Argentina | juv./adults |
| zoobenthos | mollusks | gastropods | Fusitriton oregonensis | (not available) | juv./adults |
| zoobenthos | mollusks | gastropods | Tegula patagonica | Argentina | juv./adults |