Oahu’s marine secured regions don’t sufficiently ensure herbivorous reef fishes Kumar Jeetendra | February 28, 2021 Marine protected areas (MPAs) around Oahu do not adequately protect populations of herbivorous reef fishes that eat algae on coral reefs. This is the primary conclusion of a study published in Coral Reefs by researchers from the University of Hawaii at Mānoa School of Ocean and Earth Science and Technology (SOEST). There are more than …