Hi, I have a 10 gallon tank with 1 Dalmatian Molly (about 3"), 1 GloFish Neon Tetra (about 1 1/2") and 3 snails. I am almost certain that my Molly is a male. Not sure about the Tetra... Anyway, my Dalmatian Molly (Domino) has been chasing my Glofish Neon Tetra (Tangerine) around the tank...