07-16-2013, 11:33 AM
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The fry of many hybrids are sterile, including muppies.
How likely it is to happen is entirely dependent on how you keep your tank. If given the choice each would rather mate with their own kind. Interbreeding is a result of circumstance, such as adding a female Molly to a tank with just male guppies, or with too few female guppies.
It does happen - its more than a warning of possibility. But I agree that it's nothing to really worry about. Just something of which to be aware. Sent from Petguide.com App
Last edited by jaysee; 07-16-2013 at 11:35 AM..