In the dog world, it's pretty well accepted that you have no right breeding a dog that hasn't been proven in conformation or working classes. The obvious reason for this is to prevent the breeding of dogs that are poor examples of, and would therefore create poorer examples of, the breed.
I'm just curious to know if the same is true of fish? Does anyone have any business breeding a fish that does not meet the "breed standard" in color, form, etc.?
In breeding a fish that couldn't win a show, aren't we really just muddying the genetic pool of these animals?