I don't think so, it just looks like he had it at some point. Compare his fins to the 3rd one. :) See, how his are just as full around the base, but uneven at the end? Looks like healing fin rot. Just keep his water clean! :) He'll heal beautifully. Your welcome, as always.
hahhahhaha, thanks :) wait.... i need another your welcome... LOL ok, so names.... hahahah... i need them bad! i dont like calling them betta number 1, hahahha. i forgot to add this to my signature... LOL
ok. later... hahahaha LOL im so lazy right now, and my dad hates it when i always take his iphone and take pics of my bettas all over the place! and my webcam is crap.... :( its so blurry and everything....... so wait a while, hahahah maybe later on tonight