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Wayne said, in part:
" . . . I would say that any breeder that passes hybrids off as pure stock
committing fraud and is definitely unethical but individuals should be free
make up their own minds about the ethics of breeding fish for looks."
This raises another problem: If the genes from a hybrid find their way into
the gene pool, the wholesaler or the retailer might not know that they were
selling a hybrid if it looked normal. We have that now in the Xiphorous
genus, where swordtails and platys have been interbred for so long that there
are probably no pure individuals available unless they are wild-caught.
And, there seems to be some confusion about the difference between selective
breeding within a species to produce a certain characteristic, and
hybridization, where different species are bred, either naturally or in a
The former presents little danger since the desired characteristic would
probably limit the survivability of the fish in the wild (like large tails on
some guppies and the bubble eyes on some goldfish); the latter, however,
could do great harm if the individuals are fertile.
I suggest that the hybridization of fish not be encouraged.