Terms often used in reference to Bettas that a whole lot of people don't always understand
Double tail
Double tail refers to what looks like a split in the caudal fin of the fish. It is accompanied by a doubly wide dorsal fin. The trait is simple mendelian recessive.
Halfmoon
The halfmoon betta is a recent discovery. The fish are characterized by:
Having all fin rays exactly the same length,making the fin into a perfect half circle.
Being extremely difficult to work with genetically.( a low percentage pass on the trait)
Looking really cool
Being ridiculously priced(Although those from the lines are not too expensive)
Cambodian
These are individuals with light body coloration and colored fins.Pic
TSTB
Too Stupid Too Breed. Generally refers to a betta's complete disinterest in breeding.
TSTL
Too stupid too live. A Betta that jumps out of it's jar/tank or refuses to eat etc.
BBS
Baby Brine Shrimp
Refers to the hatchlings of Artemia- a.k.a. Sea monkeys. They are usually the staple of a baby betta's diet.