You might not think of a grass-munching cow as much of a predator ... Giant triton (snail) -> Crown-of-thorns starfish -> Hard coral One of the few predators of the crown-of-thorns starfish ...

SEA GRASS A sea grass bed begins with the sprouting ... The reef is a teeming city of hard corals, soft corals, fire corals, lace corals, brain corals, staghorn corals, sea whips, sea fans ...