Have You Seen Fishes Sleeping on Branches?

I was walking around the house at 1 am one fine sleepless morning when I saw something that made me rush back for my mobile camera. It was only after becoming the proud owner of multiple aquariums (believe me, I am not using the term 'multiple' lightly here!) that I realized so many funny quirks of fishes.
From having a siamese fighting fish trust me so much that he would come to be petted every morning to watching the unique mating process of these betta fish, there have been some real eye - ope...