So I have two tanks, one is a 10 gal(which has 4 kuhli loaches) and the other is a 20 gal(which has 4 black skirt tetras, a swordtail, a SA bumblebee catfish, a bristlenose pleco, and a Bolivian ram.) I was wondering if placing one species of fish from the 20 gal to the 10 gal would be a good...