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Thread: Giant guppies?

  1. #1
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    Giant guppies?

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    Saw a tank of larger than normal female guppies in 328 at the area where there is the wall of bettas, guppies and other small tetras. May i know if those are pure guppies or if they had been crossed with other livebearers? Because their size is so unbelievable.

  2. #2
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    Re: Giant guppies?

    Most likely hybrids... or specifically line bred for size, like the giant bettas.
    :: Urban Aquaria ::
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    Re: Giant guppies?

    I understand from some fish shops that these females are kept virgin so that their energy is channel for growth rather than making fry. Another explanation is these guppies carry "gigantic" genes that led to their huge size.
    I believe in the latter as I had a female that was growing normally until one day it starts to grow a gonopodium. It then transformed into a male guppy with delta tail but it continues to grow till it's like twice the size of a normal male. I still have this giant male with me, will take pic and post soon. Based on this observation, I really think there must be a 'giant' gene at work. Most of the giant guppy sold at lfs are female and not male.

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    Re: Giant guppies?

    So would it be possible to breed this giant male with another giant female and end up getting offpsrings that will grow in giants??

  5. #5
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    Re: Giant guppies?

    In theory it is plausible. However, I've not seen this 'transformed' male mated with any female. Not sure if it is infertile or it is too slow to chase normal females. If you are interested I am willing to give you this giant male free.

  6. #6
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    Re: Giant guppies?

    Wow Guppyendler! I have learnt something new today! Yea often i see a 3 inch female guppy at c328, i have always tot they were like very very old, so grew till that size. haha

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    Re: Giant guppies?

    Hi Guppendler,

    Thanks for your kind offer. I am more interested in keeping endlers now

  8. #8
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    Re: Giant guppies?

    Quote Originally Posted by Xanavi View Post
    I am more interested in keeping endlers now
    I've recently seen some giant endler hybrids recently at Qian Hu, around 5-6cm size... seems like breeders have been creating such hybrids with giant guppies too.
    :: Urban Aquaria ::
    www.urbanaquaria.com

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    Re: Giant guppies?

    Can you imagine if bettas and guppies cross breed? The bettas would mate with the guppies first then eat them later. Machiam the Black Widow Spider.

  10. #10
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    Re: Giant guppies?

    That would not happen as betta and guppy are too different to cross. One is an egg layer the other one a live bearer. Betta would have attack the guppy and kill it before anything happen

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