We bought a female from petsmart a while back for our 40g community tank.
Ever since I started up with female bettas (all veiltail right now) we've wanted to know if she is one or not.
She's a really big girl (She is female. She has an egg spot and shows her lines quickly/dances for any male..haha) to all our other females she looks the size of a male..
What gets us is she's from pets mart..but her fins are so rounded.
Here's a picture. She was swimming here so she wasn't having the fins at a decent flare.
Here's a video as well. (please ignore our conversation. She adores attention and we adore talking about her, lol.)