are spadetail betta offspring always spadetail?

[flumon]

I'm curious about Spadetail - is it a breed or a crossbreed? If I were to mate two Spadetail, would I get Spadetail offspring?

[goldminer]

Here's some info on betta genetics, Spadetail included.

Check out these links - https://www.ingloriousbettas.com/betta- ... -form.html,
http://www.bettaterritory.nl/BT-AABtailtypegenetics.htm,
https://www.fishlore.com/Articles/BreedingBettas.htm,
https://www.myaquariumclub.com/the-gene ... -2018.html.

[flumon]

I read those articles before, still can't find my answer.