Alex Mustard / Bluestriped grunt (Haemulon sciurus) on left and White grunt (Haemulon plumierii) face to face with mouths open wide in territorial dispute, Grand Cayman, Cayman Islands, Caribbean Sea.

Pascal Kobeh / A school of Common grunts (Haemulon plumierii) with a few Bluestriped grunts (Haemulon sciurus) and a Blue tang surgeonfish (Acanthurus coeruleus) on the reef with particularly common seafans or gorgo...