Quote Originally Posted by d_virginiana View Post
You're lucky it's just your females. I turned around after feeding tonight to find my yearling male squished up against the glass with his mouth open, following me around through the tank. He doesn't realize he's too young to mate yet, so he's acting just as crazy as my other male

He probably smells that female perfume(pheromone) and wants to check it out Those girls you have are sending him love messages.
It's not his fault.