Green algae (Caulerpa racemosa) and black durgon (Melichthys niger), schooling, St. Peter and St. Paul's rocks, Brazil, South America

atlantic ocean algae animals brazil black durgon black triggerfish fish fishes flora horizontal melichthys niger marine plants marine plant plant plants south america schooling sea plant sea plants triggerfish triggerfishes underwater vegetation atlantic black durgons durgon durgons day outdoors nature natural world marine life sea seas ocean oceans black triggerfishes