Its kind of strange to have an animal using photosynthesis Normally photosynthesis is considered to be in plant leaves.Animals, marine invertebrates, with radial symmetry like a starfish or sea urchin. Some corals derive much of their nutrition from symbiotic photosynthetic dinoflagellates that live within them. The photosynthetic organisms are why the reef aquarium folks are always looking for brighter and brighter lights.
The coral itself does not do the photosynthesis. There are small organisms that live with the coral that do that. They are two separate organisms that work together for mutual benefit, i.e. "symbiotically".Its kind of strange to have an animal using photosynthesis Normally photosynthesis is considered to be in plant leaves.