So...I have never really been sure what tail type my Aurora is. There was no label on him when I got him six months ago--so they sold him to me for $3.99

. The more I try to guess tail type, the more it drives me nuts! I would absolutely love if someone on here might be able to tell me. I keep waffling between a Halfmoon or Delta. I always assumed Halfmoon...but now I'm not so sure. Thanks in advance! (sorry for poor pictures. He never stays still long enough).
Now: (Pay no mind to the chunk in his tail missing. He started tail-biting. Gerr!)
When I first got him: