I think contunuously as they filter minute food particles out of the water which constantly passes over them.
No corals doesn't eat zooxanthellae they only eat zooplankton. Zooxanthallae helps corals to live and keeps corals colourful.They live on the coral polyps.
Corals eat plankton.
They eat zooplankton
Corals actually don't eat anything . But it is the symbiotic algae which lives in it and produces food for it photosynthetically.
Zooplankton.
They eat them.
on the chrissy holidays when they are munging for a chew
yes, the parrot fish does
Blow fish eat corals,smallfish,insects.
Yes, all corals are carnivorous and are considered second consumers in the food chain. Some corals go after microscopic food while others can grow big enough to eat things like crabs.
They eat corals, sponges, sea urchins, other echinoderms, and small crustaceans.
in the sea?They eat crill.By searching .They eat corals, plankton and other plant organisms .