molly mollies weird strange

My male molly organ fin was normal before but recently I found out his organ fin tip is swollen and that fin can’t close and it seems like he is unable to bend it when he is chasing the female.

Hi everyone I have 4 mollies 2 males and 2 females ( I plan to get more females as its supposed to be 3 females for every male). My female mollies have neen acting weird they keep chasing the males and sometimes when still they wiggle like doing a little dance and the keep swimming up n down the...