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Kei asked in PetsFish · 1 decade ago

can two different species of goldfish mate?

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  • Anonymous
    1 decade ago
    Favorite Answer

    Goldfish are all one species. They are simply different color and body variations of the same species of fish.

    Koi on the other hand are a different species.

    Source(s): This information and detailed profiles of over 2,500 aquarium fish along with over 11,000 photos of aquarium fish can be found at FishGeeks - http://www.aquaria.info Get your 2007 tropical fish calendars: Freshwater http://www.cafepress.com/fishgeeks.91944067 saltwater http://www.cafepress.com/fishgeeks.91939978
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  • Chris
    Lv 5
    1 decade ago

    Yes, It really depends on the type of goldfish. Goldfish usually never mates in a small tank.

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  • 1 decade ago

    Yes and couldresult in badly deformed fish. You can tell when goldfish are ready to breed when the female of course gets plumper as she becomes ripe with eggs. Meanwhile, the male goldfish develops whitish bumps on his gill covers and the foreward edges of his pectoral fins.

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  • 1 decade ago

    they are the same species. But they are varieties and their colors and patterns won't breed true so you'll get lots of different looking fish.

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  • 1 decade ago

    Not unless they are of the male and female species.

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  • 1 decade ago

    they sure can, the result is usually a mutt, not very attractive

    Source(s): goldfish breeder 35 yrs
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  • 1 decade ago

    nnnnnnnnnnooooooooooooooooooooooooooooo! LOL!

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  • Anonymous
    1 decade ago

    yeah they can but seprate them once they do or they will fight

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  • Anonymous
    1 decade ago

    You bet they can!!

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