How can you tell the difference between male and female Betta fish?

Answer 1

If you have a betta fish food, and have a picture on it, it's probabily male fish. They are prettier and have longer finns. (Kinda like gold fish with long finns exept different color) The female bettas has shorter finns and are uglier, and I don't know why...
Well.. male beta fish are more colorful like red and blue.

And female beta fish are more whitish pink maybe with a few black spots

all i can say is male betas are colorful and females are more dull

Answer 2

All female Bettas are short-finned. They have a relatively small dorsal fin, short ventral fins, a rectangular-shaped anal fin and may, or may not, have an "oviposter" (white pimple) visible on their underside behind their ventral fins. When a female flares their gill tissue will not extend right the way round the head.

You can also get short-finned males (all wild Betta splendens are short-finned). Fancy short-finned Bettas are called Plakats (or plakads). The short-finned males have a triangular pointed anal fin, long thick ventral fins (the same length as it's body) and a broad dorsal fin. When a male flares the gill tissue will go right round the head.

If the Betta has long fins, it's a fancy male.

Answer 3

male beta fish are the really colorful ones and the females are the ones that have mostly faded color.

Answer 4

Males have long flowing tails and females have short stubby ones and are less colorful than males.

Answer 5

The male Betta fights with other male Betta and the female don't