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A grizzle (GZ) betta has iridescent color over a flat color. All of the fins should display some grizzle patterns to be considered a grizzle betta. Almost nobody uses this term so don’t count on hearing it again. With that said it is still a IBC recognized classification for a patterned betta so I’m going to talk about what makes a good show Grizzle.

If you are breeding for show there are a couple of so-called faults worth mentioning. Red is a big one for grizzle patterned bettas. Excessive red can ruin you, or even get you moved to the multi-colored class. Any butterfly pattern is a major fault also, and will probably get you moved to the butterfly class.

Black coloration is a minor fault and might get you moved to the marble class. Fish with 80% or more pastel or opaque base color will be moved to either the Pastel or Opaque class.

If you are not breeding your betta for show and it displays any of the faults these do not apply to you, some of my favorite bettas would never win a competition.