submerged alligator in murky water. predator head, eyes peek above water surface. wildlife image in swamp. close-up view of

alligator crocodile reptile wildlife animal nature swamp water predator lurking submerged surface eye snout closeup panoramic banner header danger murky gold scale texture photo ecology environment scary threat powerful exotic conservation eco travel tourism adventure safari river forest jungle wetland amazon fauna flood hunting prey wild preservation reptiles photography zoo