| Comb | Ray extensions around outer edge – comb-like appearance |
| Crown | Distinguished spiky grooves at the end – rays extend further than the comb tail |
| Delta | Triangular – the V shape gives it its name for the Greek letter |
| Double | An inbred mutation – dorsal fin is same length as anal fin with 2 caudal lobes |
| Fuse | Extremely rare fusion of the caudal, dorsal & anal fins |
| Halfmoon | Huge tail with 180 degree spread – spreads straight up and down, full dorsal, symmetrical anal fin |
| Heart | Partially fused twin caudal fin gives it the “heart shape” |
| Round or Fan | Single-tailed with round edges – often found under “single-tail” |
| Short | Finnage that is similar to the Betta in their natural habitat |
| Single | Common one-lobed |
| Veil | Most common tail – the result of artificially lengthening the wild shortfin form and has a long tail that droops behind him |
