Quote Originally Posted by Izzys Keeper View Post
Maybe someone else can back me up with this but it's generally accepted that you shouldn't breed spider to spider and therefore spider combo to spider combo. Many believe that it is a fatal combo so you might end up with alot of dead eggs

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There's currently no proof of this. It's possible it's lethal as nobody has made a homozygous spider, but it's pretty debatable. I believe OWAL was doing some sort of project trying to figure it out, but I can't quite remember.