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Sexing Aneides lugubris

This is a discussion on Sexing Aneides lugubris within the Plethodontids and Lungless Salamanders (Bolitoglossa, Eurycea, Plethodon, etc.) forums, part of the Species, Genus & Family Discussions category; Dear forum members, Still finding it incredibly difficult to determine sex in this species. If anyone has any tips or ...

Plethodontids and Lungless Salamanders (Bolitoglossa, Eurycea, Plethodon, etc.) The largest, and one of the most diverse groups of salamanders, these salamanders have all evolved to breathe solely through their skin and are found almost exclusively in North America.

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Old 24th October 2014   #1 (permalink)
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Default Sexing Aneides lugubris

Dear forum members,
Still finding it incredibly difficult to determine sex in this species. If anyone has any tips or tricks or images to help I would be grateful
Many thanks
Warren



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Old 24th October 2014   #2 (permalink)
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Default Re: Sexing Aneides lugubris

They can be very hard to sex until they mature. Mature males have much larger, wider more "angular" heads than females and are generally much skinnier. In my experience sub-adult males will have larger heads as well.

This website has great photos of both sexes and may give you a better idea of what to look for.

Arboreal Salamander - Aneides lugubris



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Old 24th October 2014   #3 (permalink)
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Default Re: Sexing Aneides lugubris

Thanks Otolith,
Im still a little unconvinced by the images on this website, sort of noteworthy that an adult female is not specifically mentioned.
It would be great if someone could post a high def image of a 100% adult male and female head, so I can really see the differences?
I suspect a lot of sex determination is done behaviourally, but a cast iron morphological method would be great.
Cheers
Warren



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Old 25th October 2014   #4 (permalink)
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Default Re: Sexing Aneides lugubris

females (even though not stated in the caption) http://www.californiaherps.com/salam...mtnsjjones.jpg
http://www.californiaherps.com/salam...ugubrisoak.jpg

males: http://www.californiaherps.com/salam...brismo4112.jpg
http://www.californiaherps.com/salam...ubrisbr052.jpg

male and female together for comparison

CalPhotos: Aneides lugubris; Arboreal Salamander

and another good archive of photos for you

CalPhotos



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