The algae gives a reef its colour, and when it’s gone, just the white skeletons of the coral remains, so a reef looks ‘bleached’. Corals rely on algae for nutrition, so once the algae has gone, this ...

However, parrotfish increases have not always reduced algae growth or increased ... species graze by biting off chunks of coral, especially from dead skeletons, and grinding it in their digestive ...

These corals—species with rigid skeletons, such as elkhorn and ... the role of "grazers"—fish who feed on algae—in keeping coral reefs clean and healthy. Protecting parrotfish, a family ...

However, parrotfish increases have not always reduced algae growth or increased ... species graze by biting off chunks of coral, especially from dead skeletons, and grinding it in their digestive ...

These corals – species with rigid skeletons, such as elkhorn and ... the role of “grazers” – fish who feed on algae – in keeping coral reefs clean and healthy. Protecting parrotfish ...