Archer fish pectoral fin stuck under gill cover!

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Oggiepie

Aquarium Advice Apprentice
Joined
Apr 15, 2013
Messages
10
Location
UK
The strangest thing happened the other day, my archer fish was eating and swimming fine but I could not see his pectoral fin. Upon further inspection I saw his fin was stuck under his gill cover!
I looked online and someone else had this happen to one of their salt water fish. They caught the fish in a net and used a blunt toothpick to free the fin.
I did this and at first the fin was all folded and stiff and he was not using it but a week later his fin is back to normal!
I was just wondering if this has happened to anyone else? What do you think caused it?

Thanks!
 
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