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• Web. 22 Feb. 2015. <http://dge.stanford.edu/SCOPE/SCOPE_12/SCOPE_12_3.6_chapter12_257-274.pdf http://www.huffingtonpost.com/2013/12/04/coral-reef-breeding_n_4388094.html?ir=India>.

 

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• France-Presse, Angence. "Reef Fish Use Sign Language to Communicate Prey Locations to Others." Dark Polytricks. Web. 24 Feb. 2015. <http://www.darkpolitricks.com/2013/04/reef-fish-use-sign-language-to-communicate-prey-locations-to-others/>.

 

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• http://images.travelpod.com/users/verenao/1.1251688149.parrot-fish.jpg

 

•  http://www.animalaid.org.uk/images/manure.png