How many species of fish are there in the ocean?



  1. 0 Votes

    It is estimated that there are 40,000 species of fish! Though this number is likely fresh and salt water fish combined. 

  2. 0 Votes

    Scientists believe there is an estimated 4,000 species of fish that have not been discovered yet.

  3. 0 Votes

    There may be much, much more than that 4,000 species.  Biologists estimate between 500,000 and 5 million marine species have yet to be discovered, mostly from the dark, unexplored bottoms of the ocean.  The earth is made up of more than 70% water.  Although cientists are constantly finding new life in the ocean trenches, we still have a long way to go!

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