phytoplankton eat predator
planktonic_algae is phytoplankton. crab_eating_fox is mammal. crab_eating_raccoon is mammal. phytophthora_infestans is fungus. cottidae is fish. zooplankton is animal. phytoplankton is plant. carnivore is predator. fish_eating is animal_eating. sciaenid_fish is percoid_fish.