The marine environment harbors both living and non living things of which are important for human and other living things. Without water there cant be live. The marine harbors important creatures like fish, crustaceans, sea lions and fascinating scenarios like coral reefs. Apart from the fauna, the floral part of the marine environment is essential for growth for fish and other creatures as they are source of food. 

There is part of the marine environment which have not been explored including whether mermaids exist or not. The deepest parts of our oceans hold much secrets which ought to be explored.