I have a 14 inche jar and a 10 inche silver, not gonna put them together until i get a few more arowanas, my jar is attacking my pbass i think because there in a small tank but within 2 weeks I have a bigger tank ready to go. I would recomned getting a few more arowanas
Since this thread is over 3 years old, if the OP actually bought a aro it would probably be bigger then yours