Group I - Red Layer gene name description type of gene R Extended Red Red color on body and fins Dominant nr Non Red makes red looks yellow recessive nr2 Non Red 2 makes red looks orange recessive Vf Butterfly A second band of color are present on the fins Dominant L Red Loss Red color tends to lose with age Dominant Group II - Black Layer gene name description type of gene c Cambodia light colored body with normal color fins recessive b blonde seems a lighter and brighter fish recessive m melano melano (black color) (melano females are infertile) recessive l lace lace (black color) (lace is not as black as melano) recessive pb piebald The head area is lighter in color than the rest of the body recessive Group III - Iridiscent Layer gene name description type of gene bl Blue BlBl=Green, Blbl=Royal Blue, blbl=steel blue incomplete Dominant Si Spread Iridiscence Body looks like metallic Dominant Group IV - Others gene name description type of gene Op Opaque Opaque film on body incomplete Dominant w white eye Color around the eye is not black recessive mb Marbled a marbled pattern of colors recessive Group V - Tails gene name description type of gene Lf Longfins Males have Long fins. Without this gene, males have short fins Dominant Vt Veiltail Pet store type dropping caudal fin (not preferred by betta breeders) Dominant Vt/xx. Delta tail (Total absence of Veiltail genes) the caudal fin do not drop down as veitail it looks like an open Fan recessive dt Doubletail the famous double caudal fin and wider dorsal recessive t Crowntail rays extends out of fins gives a comb aparence recessive hm Halfmoon famous halfmoon caudal fin is 180° spread recessive, still a mystique, because seems polygentics are involved