Other, even smaller animals.
whale
Whales usually eat Plankton, which is a microscopic algae type thing. Many things eat microscopic animals, I believe herring is one species.
Microscopic animals
They eat microscopic plants and animals called plankton.
Plankton are microscopic sea creatures, and the term includes both animals and plants.
dolphin get eaten sharks
Zooplankton are microscopic animals that eat other plankton.
Krill and shrimplike animals eat plankton in the ocean.
Yes, clams do eat. They are filter feeders filtering water for microscopic animals and plants.
They eat from the bottom of the ocean and sometimes eat alge off other animals.
Animals such as zooplankton, small fish, and some invertebrates like copepods and krill feed on microscopic plants (phytoplankton) and animals (zooplankton) in aquatic ecosystems. These animals play a crucial role in the food chain by transferring energy from microscopic organisms to larger predators.
sharks