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Southwestern Center for Herpetological Research

Pure Alterna?

mbdorfer Feb 20, 2005 01:50 PM

Hi all, I showed this guy once before and everyone said it looked like pure alterna, but I'm not convinced. Looking for more opinions. Thanks

Replies (13)

kingsnaken Feb 20, 2005 04:33 PM

Looks like pure Alterna to me.

mbdorfer Feb 20, 2005 05:53 PM

Thanks for the reply. It's that stripe in the first saddle that bothers me, I've seen this a lot in mexicana. BTW nice snake.

kingsnaken Feb 20, 2005 05:59 PM

Here is another one of mine with a very similar stripe as yours.

kingsnaken Feb 20, 2005 06:07 PM

Also, I forgot, I think the graybands with blackheads like yours are supposed to be more prized. I'm not sure, but I really haven't seen that many. Some breeders sometimes hold on to those.

kingsnaken Feb 20, 2005 06:17 PM

Here is a pic of a Mex Mex from Lassiter, so you you can see the difference.

http://gallery.pethobbyist.com/index.php?photo=91762&si=lassiter

jlassiter Feb 22, 2005 05:53 PM

Thanks for the plug in kingsnaken...

Coach Feb 21, 2005 07:39 AM

That stripe or divided nucal blotch is not rare in alterna. I have seen it on many river road animals. The black head plate on the other animal below is an attractive trait I've seen on some animals from 277. I'm told this is a reproducable trait. My 1st alterna had a black crown.
[img[http://www.fototime.com/{B2D23759-1828-4A10-A145-A512852D1E0A}/picture.JPG[/img]

Tom (Coach)

Coach Feb 21, 2005 07:42 AM

.
Image

jlassiter Feb 22, 2005 05:51 PM

Remember.....Alterna where once in the Mexicana complex and still are in my book along with Ruthveni, but that is another discussion.
All these snakes show a nuechal stripe from time to time. Nearly all of the pure Mexmex have the neuchal stripe. Thayeri have a neuchal blotch as well as Greeri. Alterna are a variable species. It is not rare to see such things pop up in clutches of Alterna.
Your snake appears to be 100% pure alterna...neuchal stripe and all.
John Lassiter
Here is a pair of Mexmex I am breeding this year. The both have a neuchal stripe, but it is not confined to Mexmex alone.

mbdorfer Feb 23, 2005 05:14 PM

Thanks John, I appreciate your input.You got some awesome lookin snakes there

jlassiter Feb 23, 2005 05:40 PM

No problem and I appreciate your compliments.
John Lassiter

mbdorfer Feb 24, 2005 11:29 AM

Sweet! I love the alterna/mexicana complex.
And yes, seems to me when I first got into kings, back in the late 70's the graybands were Lampropeltis Mexicana Alterna, but I can't remember for sure. I just remeber they were not within my budget LOL

ilreps Apr 07, 2005 03:01 AM

yes,
this is the "stripe" line that we produced over 10 years ago. this is the original Male form the early 90's
Image

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