Some turtles are carnivores, while others follow a strictly vegetarian diet. Most turtles, however, are omnivores, eating both animals and plants. ... Sea turtles, depending on the species, may eat seagrasses, algae, sponges, sea squirts, squid, shrimp, crabs, jellyfish, cuttlefish or sea cucumbers.

Is algae good for turtles?

Although a little algae won't hurt your exotic pets, an algae overgrowth can be harmful to their health. And for turtles, algae can even start to grow on the shell. As with the tank, a little algae growth on your turtle's shell is fine.

Do pond turtles eat algae?

Diet: Western Pond turtles are omnivorous. They eat a variety of insects, tadpoles, frog eggs, snails, leeches, aquatic beetles, dragonfly larvae and fish. Plant foods include filamentous algae, lily pods, tule and cattail roots.