Errrm, Badis badis is blueish brown wan wor...
http://allabout.co.jp/pet/aquarium/c...040611A/01.jpg

Is thatblue fish the fish you are after?

Dario dario is the correct new name for what many ppl used to call Badis badis.
That's the Red scarlet badis... This one:
http://www.diewasserwelt.de/privat/dario-1.jpg

.... the 2 fish that most wild betta enthusiast would be all eager about would be:
Betta foerschi 'Mandor' and the very rare
Betta burdigala