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Ribbed Newts (Pleurodeles) Now comprising at least 3 species, this genus of newts includes the largest "newt" in the world, Pleurodeles waltl.

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Old 5th November 2015   #1
JM29
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Default Melanoid Pleurodeles ?

Hello,,

Just read in :
Handbook of Genetics, Vol. 4 : Vertebrates of Genetic Interest, par Robert C., King, 1975, page 15 :

"...a color variation has been found in the F2 of a pair of this species (Pleurodeles waltl) captured in the wild (La Croix and Capuron, 1970). This mutant m ("mélanique") is comparable to the melanoid mutant in the axolotl in having an increased number of melanophores and in lacking iridophores."

Has anyone seen or heard about melanoid Pleurodeles waltl ? (Idon't have any)



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Old 12th November 2015   #2
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Default Re: Melanoid Pleurodeles ?

The absence of answer is an information in itself.
I asked the same question the a french forum Urodeles but with no more success.



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Old 12th November 2015   #3
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Default Re: Melanoid Pleurodeles ?

Hi.

If that there melanistic specimens in Andalusia an adult was found.

However, the specimens living without light in water wells or cisterns are often.
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Old 13th November 2015   #4
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Default Re: Melanoid Pleurodeles ?

Thanks for this reply.
Do you mean specimen living in very dark aquatic environments can be very dark without a special genetic background? (why not)



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Old 13th November 2015   #5
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Default Re: Melanoid Pleurodeles ?

Yes, color depends largely turbidity and color of water.
Specimens living in pools of irrigation or irrigation ponds are usually quite dark, with many stains.
Specimens living in ponds with clear substrate or white turbidity are clear and spotless
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Old 13th November 2015   #6
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Default Re: Melanoid Pleurodeles ?

Thank you for these observations.
We suspect the same phenomenon with our Tylototriton verrucosus (Darjeeling) captive strain.



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