Koi Betta Fish
Generally, patterns on Bettas appear because of genes that affects the color layer, Koi Bettas has the marble gene. The Koi Betta fish is a unique betta. The marble trait doesn’t show up right away. It’s developed over time during the fish’s lifetime, in a random manner. It causes their primary color to change and splotchy pale patches to develop on the body and fins.
You’ll start out with a fish with one color, and then they change. Koi bettas have been bred to look similar to the koi fish often seen in Japanese ponds. These freshwater fish are known best for their beautiful fins and color. Bettas can breathe from their labyrinth organ which enables the fish to breathe from the surface, so they can breathe oxygen.
As to their behavior, Koi Bettas can be quite aggressive, especially males, however they have amazing personalities and they tend to be very interactive.
Koi Bettas, irrespective of their color, are still Betta splendens and need the same care as any other Betta.