Quote Originally Posted by binka_nugget
Yep, that's pretty normal! I think every single one of my VTs changed colors drastically after a few days. My halfmoons and plakats not so much.. but the VTs looked like totally different fish! I'm not sure why but I think it has to do with better quality water, food and more than a plastic cup to swim around.

Rilo right after I got him:


Rilo after a few days:
WOW! that is a HUGE differance! my new betta kinda looks like the first pic. maybe he'll change colores too.