The Caudal : Betta Unpaired Fin

This picture (PIC 1) demonstrates how the number of rays in a halfmoon (HM) or halfmoon plakat (HMPK) betta is counted. The picture shows the caudal of a copper plakat.

PIC 1 : Counting the caudal rays

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It should be noted that from afar, the group of rays which I've illustrated to count 7 rays, may look like 4 rays from afar. However due to some "late branching" (of 3 secondary rays) near the caudal edge, we could actually count 7 rays.