http://forum.aqua-fish.net/ A forum devoted to aquarium fish, plants, techniques and fish keeping as a whole. en http://forum.aqua-fish.net/?topic=new-to-the-world-of-aquariums-fish-#1 We have 3 Mollies and a 20 gal. tank. About three weeks now and doing great. Today I've noticed my black and white is bothering another Mollie...Chasing, bumpimg her (I don't know if it's a girl) tail area, swimming around her (it). Could they be in the mating process? If so tell me what to do Please! Thanks. rlhfish 2012-08-06