I was at my exes place today and when we were looking at her fish, her bala's started doing this. She's never seen them do it before and they're not very big. Only about 5-6". Also sometimes 1 would bite at the others head but it didn't mind.
http://youtu.be/sYPvM-3HtXQ
Sent from my iPhone using MonsterAquariaNetwork app
http://youtu.be/sYPvM-3HtXQ
Sent from my iPhone using MonsterAquariaNetwork app