Veil tail

From Betta Fish Wiki

Veil Tail Betta Fish

Veil tail bettas have a long and usually thin tail, which tapers out to a point.

This betta fish tail type is the most common tail type you will find.

It is also the tail type of most betta fish found in pet stores.

Veil Tail Betta Fish Breeding Information

The Veil tail gene is dominant, and is thus hard to breed out of a line unless you breed successive generations against it.