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Old 09/12/2019, 10:49 PM   #13
HumbleFish
Dr. Fish
 
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Join Date: Feb 2013
Posts: 4,510
I noticed around the :06 mark some air bubbles came out when he twitched. So, I'm thinking he's swimming over the air stone, getting air bubbles trapped inside his gills and then twitching to "shake" them out.


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