little back story on that, I had a little female JD in the grow tank, she was bulling all the other JD in the tank, in the 180 I had a and still have a 7" male 2 adult Oscars and a large female jag, i said fine you fish food. had enough. to my suprise she paired with the male JD and they took over more than half the tank, now they a mated pair in 75g.