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Humans do not have body slime (most of us don't anyway) The slime is exuded by the fish for a few reasons. One is disease or paracite protection. In a clownfish it protects them from anemone stings. If we "slime" ourselves with insect repellent we are protected from mosqueto bites. Fish have just found a way to make the stuff themselves. I don't know how much research went into fish slime but I doubt there was much money involved in it. |