Just Curious

U4BOYZ

Got Fish?
Does anyone know why mandarin fish blow dust-looking stuff out of their fin/gill area occasionally? I was just wondering its purpose...
 
Yep, my goby is hard at work too. Sifts through sand all day. It's the mandarin that's weird...just blows out a very fine sand occasionally. Must be leftovers like everyone suggests. :)
 
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