Herbivores Tiny grazing animals (zooplankton) devour the sea's phytoplankton in staggering numbers, and larger invertebrates (such as sea urchins) and vertebrates (such as parrotfish and manatees) eat seaweed and seagrasses.
HerbivoresTiny grazing animals (zooplankton) devour the sea's phytoplankton in staggering numbers,and larger invertebrates (such as sea urchins) and vertebrates (such as parrotfish andmanatees) eat seaweed and seagrasses.