Hello Rick, Franck and Andrew,

I have a growing interest on hybrids.

It is of my experience, that despite finding hybrids is indeed highly
improbable , assuming they are not a real possibility between all related
species is unwise.

The genus Harpa as such a similar morphology, that if hybrids did occur
they could be impossible to identify.
Even experienced collectors, re-read descriptions, before making a final
judgement on the classification of most species within Harpa. If we were
faced with an hybrid, how sure would we be of having found one?  A tricky
mutation could easily explain it...

Theoretically, we could interbreed with chimpanzees, and there is at least
one specimen known to exhibit mixed characters. A quantity of different
molluscs with an higher degree of resemblance are interacting continuously
in their underwater routine. What would be extremely difficult, was that
they would not reproduce successfully.

I am sure they come along like sinistral´s, as I keep looking for new ones
to the collection ;)

Best regards,
David C.

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