Posted: Sat Jun 06, 2009 8:23 pm
It's perfectly fine for turtles or any age to show dominance towards each other, as long as they don't fight after.
Your tank is huge, they can basically live in that tank for the rest of their natural existence. Getting a larger tank for a 3 inch and 1.5 inch turtle is a waste of money. There is 4 1/2 inches total for the turtles, and they only need ten gallons each inch (40 gallons total). The tank is quite a bit larger than a 40 gallon, which is usually between three and four feet long.
The fact that, the smaller one is showing dominance right back is a good sign. That's a very confident turtle. With such a size difference, you want the little one to be unwilling to put up with any crap.
I have two turtles living in a tank they just outgrew. (I am ordering new things for them tonight online, I need to wait for the money to clear in the bank). Once, they had a few fights for a couple of days, nothing extremely aggressive. Typhoon was being very territorial, since they had just gotten new stuff, and was bothering Hurricane. Hurricane decided she had enough, and turned around and bothered Typhoon right back. Since then, no issues. In fact, Typhoon, still being the dominant one of the tank, has calmed herself down quite a bit. They follow each other everywhere, sleep next to each other, bask together, play together, eat together, and hang out together (Typhoon will seriously hide under, or let Hurricane sit on her, too). They are so used to me, and getting new stuff now, that, it only takes them about a half hour, give or take, to calm down and check it out. I also removed the thing they had been fighting over, simply because I lost it. My turtles treat each other the way I treat them, so, I don't expect many problems.
Spike - Egyptian mau mix, 8 years old
Phryne - Japanese bobtail, 9 months old
Hurricane - RES, 8 yo, 6 1/2 in. long
Typhoon - RES/Map hybrid, 8 yo, 7 in. long
Sadie - RES, 20 yo, 10 in. long
Sophie - Colombian red tail boa, 5 yo, 5 ft. long