Forage Fish Science Explained!

forage fish explained 3See more here! 12:48

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    The relationship is this. The larvae of the bottom fish need to go to the surface of the ocean in order to obtain food – plankton – and light. While they go up, they become a feast for the pelagics. When those larvae that survive become codlings, they want to go back to their friends and relatives. While they descend to their native habitat, they become a second feast for the pelagics.

    http://carmine3.newsvine.com/_news/2010/11/04/5408211-fish-and-future