Tiger barb questions

Im looking at a school of 9 tigers right now and if by vertical you mean 45-50 degrees then mine are all doing it now and do it all the time

onepawnup
 
i agree wid almost everyone here

ive had a school of tiger barbs for more than a year and that's what they do (headstand?) after eating..
seems like some sort of resting behavior after having a full meal..

they also do that during midnight.. probably sleeping i guess
 
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