Talk:Fantail Betta/@comment-174.127.23.166-20161102173857

I just put the divider in and found that my blue fan tail jumped over to the other side of the divider, they were not fighting but I immeadiatley separted them again. I have them in a 2.5 gallon tank with a filter. is there something i can do to prevent them from jumping over to the other side