I observed this teritorial behavior between Hawaiian Monk Seals (Neomonachus schauinslandi) while drifting in the current towards the buoy in the background while scuba diving off Niihau, Hawaii.
The endanged Hawaiian Monk Seal (Neomonachus schauinslandi) photgraphed underwater off Niihau, Hawaii.
A Hawaiian Monk Seal (Neomonachus schauinslandi) swims over a boulder strew bottom off Niihau, Hawaii.