[quote]There are two massive issues. First of all, a fish won't just sprout a [i]single[/i] arm...[/quote]I didn't say it would. It would of course occur slowly, but the outcome would obviously become inevitable. Do you understand the function of DNA and RNA? It is frequently used to copy an organism's DNA, and if copied incorrectly, a mutation occurs. Whatever manifests from an apparently physical mutation will inevitable reach an unproductive end. [quote]...and have no other changes. Second, it's predators, not prey, that the fish would be susceptible to if your example were true, which it isn't.[/quote]Sorry, I guess I was temporarily confused. I'll correct that.[quote]Stop making half-assed attempts.[/quote]Attempts at?