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Thread: Pyxicephallus adspersus or edulis

  1. #1
    Lucskywalker
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    Default Pyxicephallus adspersus or edulis

    Hi i just got an email in which i was offered an African Bullfrog the problem is that everybody knows we got two subspecies of one specimen that is edulis and adspersus. Due to the fact i'm a newbie i can't sort the problem out with identyfing the frog. I do rely on you so that you could be a sort of help. atached you got some pics of the frog. cheers.
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  3. #2
    Wicked frogs
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    Default Re: Pyxicephallus adspersus or edulis

    That's a dwarf not a giant! I got one also they are pretty cool.

  4. #3
    Moderator tgampper's Avatar
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    Default Re: Pyxicephallus adspersus or edulis

    It is confirmed that it is a dwarf. They are really great frogs! The best way to tell the difference, dwarfs have a bar across the top of their head connecting the eyes, the tympanum (eardrum) has a creamy white spot in the center and the eardrum is located about one eye diameter away from the eye itself. The stripe down the back shows that it is still a juvenile. The stripe will disappear when the frog reaches sexual maturity. I have a couple of dwarfs and really enjoy them.
    Terry Gampper
    Nebraska Herpetological Society




    “If we can discover the meaning in the trilling of a frog, perhaps we may understand why it is for us not merely noise but a song of poetry and emotion.”
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    Adrian Forsyth

  5. #4
    Locascio
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    Default Re: Pyxicephallus adspersus or edulis

    dwarf... but a very cool frog nun the less. i really want a dwarf

  6. #5
    Wicked frogs
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    Default Re: Pyxicephallus adspersus or edulis

    how old do that have to be to have there stripe come off cause mines is older and has a fresh stripe on him?

  7. #6
    Lucskywalker
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    Default Re: Pyxicephallus adspersus or edulis

    Quote Originally Posted by Lucskywalker View Post
    Hi i just got an email in which i was offered an African Bullfrog the problem is that everybody knows we got two subspecies of one specimen that is edulis and adspersus. Due to the fact i'm a newbie i can't sort the problem out with identyfing the frog. I do rely on you so that you could be a sort of help. atached you got some pics of the frog. cheers.


    A guy wants about $ 40 for that one not much i guess, if u think they are so cool i can bring about to take one... but he 's got only one guy ..though.. are they easily accesible in europe ? does anybody know ?

  8. #7
    100+ Post Member DeeDub's Avatar
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    Default Re: Pyxicephallus adspersus or edulis

    Quote Originally Posted by tgampper View Post
    It is confirmed that it is a dwarf. They are really great frogs! The best way to tell the difference, dwarfs have a bar across the top of their head connecting the eyes, the tympanum (eardrum) has a creamy white spot in the center and the eardrum is located about one eye diameter away from the eye itself. The stripe down the back shows that it is still a juvenile. The stripe will disappear when the frog reaches sexual maturity. I have a couple of dwarfs and really enjoy them.
    Yep, dwarf.

    FYI, they will retain the dorsal stripe. Adspersus lose it, the edulis do not.
    ........................................
    Thanks
    DW

  9. #8
    Lucskywalker
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    Default Re: Pyxicephallus adspersus or edulis

    Quote Originally Posted by DeeDub View Post
    Yep, dwarf.

    FYI, they will retain the dorsal stripe. Adspersus lose it, the edulis do not.
    thx mate for a prompt reply, are u able to identify the sex with the pics above or is it not possible the guy claims it is about 8 cm in length .... i don't know if its mature .

  10. #9
    Wicked frogs
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    Default Re: Pyxicephallus adspersus or edulis

    thats what i thought u da man

  11. #10
    100+ Post Member DeeDub's Avatar
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    Default Re: Pyxicephallus adspersus or edulis

    I'm $hit at sexing the dwarfs....lol. sorry man!
    ........................................
    Thanks
    DW

  12. #11
    Moderator tgampper's Avatar
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    Default Re: Pyxicephallus adspersus or edulis

    Quote Originally Posted by DeeDub View Post
    Yep, dwarf.

    FYI, they will retain the dorsal stripe. Adspersus lose it, the edulis do not.
    I agree that the dwarfs retain their stripe, however it is not the case for all populations. Sexing the dwarfs is difficult and the only information I have is from my African amphibian field guides - the breeding male is bright green, while the female is duller and brownish. The male is larger.

    Right now the genus Pyxicephalus has 3 species, but I have recently heard from a scientist in South Africa, that they may announce a fourth species! What makes this genus so complicated is that some scientists believe that adspersus and edulis are just subspecies. I received an email from Dr. Charles Parry who actually named the two subspecies as: Pyxicephalus adspersus angusticeps and P. a. edulis. Further DNA studies are needed.

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