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Old 11-13-2017, 11:44 PM   #2
barnaclebill
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Join Date: Dec 2006
Location: Marathon
Age: 81
Posts: 153
Re: Why Don't Fish Swim Upside Down?

Actually some fish do swim upside down.

I have seen mangrove snappers swim upside down many times when cleaning boat bottoms, swimming along the bottom of the hull upside down, I think they think the boat bottom is the sea floor.
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