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There are three females in there and they all seem to be that kind of girl. I am amazed that the four males will be going at it on one side of the tank and a female will swim all the way over to 'get some'. Sometimes, 3 males will be blustering while the other male is 'getting some' a few inches away.
What is really interesting to me right now is the size difference between the males and females. The males are HUGE this time around!