Introducing a new leo to my leos

[SilverMoon]

(I hope this is in the right spot)

Ok here is my situation, I bought a new female and she is going to be quarantined for a few months but I would like to eventually get her living with my male and female in their 40gal breeder tank. My female has been known to attack new females, at the time I didn't know anything about introducing them properly and I don't want to make that mistake again.

What are the signs of aggression from males and females?
Any tips on introducing them?

Here is what I know so far...
100% sure both are female, and not "hot" females
New female needs to be quarantined to assess health
Both are the same size (2g difference)
New female is around +1 year old
Old female is around 4 years old

Other than that I've read a few things on introducing them but want to know what you have to say. Thanks all!

 

[matt1134]

most animals are territorial when ever i need to introduce a new animal i clean the enclosure rearrange decor and then introduce all at once so it is a neutral Territory. that usually works for me.