Redmouth Grouper (Aethaloperca rogaa). So named because of its bright red inside mouth. Can often be found living amongst colonies of Yellow Sweeper (Parapriacanthus ransonneti) which it vigorously protects from attack by passing jacks, in return for feeding from the same glassfish colony. Red Sea.

redmouth grouper redmouth red mouth grouper aethaloperca rogaa red mouth colonies yellow sweeper parapriacanthus ransonneti swimming fish shoal schooling school blue waters large group of animals coral