If the sharks disappear, the little fish explode in population, because nothings eating them, pretty soon, their food plankton, microorganisms, little shrimps all of that is gone, so all the little fish ultimately starve. Toby Daly-Engel More Quotes by Toby Daly-Engel More Quotes From Toby Daly-Engel The coral will die, leaving just its skeleton behind, which eventually turns into limestone, then, in come the animals like starfishes and sea urchins; we call those grazers. So instead of a bunch of different species sharks, bony fishes, invertebrates and mollusks you end up with a reef with four to five species in it, tops. Thats a dead reef. Toby Daly-Engel science