Rare Bettas?

[BettaBettas]

So I recently did some Betta research and I noticed that on this article, it had another article attached to it leading to "Rare bettas"
I read this and I saw this: "Rare bettas consist of (blah blah fast forward lol)" "Some rare bettas have Spots on them, which is very uncommon and can be classified as Rare"
My 2 female bettas have blue blotches on there tail, so does that make them rare? also I'd attach an image but it wont let me sos

 

[Dominus_XVIII]

If you can link us the article we might be able to clarify what exactly that article is referring to in regards to "rare bettas".
I know in older articles, as more patterns and colour mutations were being bred, some were considered "rarer" in the market/fish trade at the time.
Nowadays, when people refer to rare bettas, it's generally in regards to wild species bettas (new species, local strains, thought to be extinct, ect.)

 

[BettaBettas]

I never added it to favorites unfortunately, but yea I think your right when u said "in the market" because it was a shopping Website that I was reading it from. Just in the Reading section or whatever it was called