There is almost 70% of water on earth surface in the form of oceans, rivers, and seas etc. There are five big oceans namely Pacific ocean, Atlantic ocean, Arctic ocean, Indian ocean and Southern ocean. These all oceans are connected to each other. These oceans are the major source of saline water. According to the estimate by the scientists, there are about 230,000 marine species have discovered. A large number of marine species have still to be found. marine species are strongly correlated with the depth of oceans and its distance from the sea shores.

Ocean Animals:

Angelfish: Angelfish are brightly-colored, flattened fish that live in shallow warm waters. Although they are a little delicate when small, they grow fast and get stronger.

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