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Naja ashei

SnakesAndStuff Feb 09, 2008 12:52 AM

Replies (13)

Chance Feb 09, 2008 10:51 AM

Nice specimen Bob. How big is it? If these are true ashei, I'm curious if they'll reach their famed sizes very quickly in captivity.
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Chance Duncan
www.rivervalleyexotics.com

TexasReptiles Feb 09, 2008 12:26 PM

Bobby has told me that he has to wear a raincoat while working these! LOL!
I suggested a Nasa Spacesuit!
Randal

mfezi Feb 09, 2008 03:24 PM

Interesting

If these are from Tanzania, they are not probably not N.ashei, but rather an aberrant N.nigricollis

This was brought to my attention by Broadley.

Ashei, as it stand, only occurs in Kenya, and the brown spitters coming out of TZ are nigrocollis, confirmed with DNA

I saw the N.ashei that Theo Rosseveldt shot... freaking monster...

don

SnakesAndStuff Feb 10, 2008 02:13 PM

I'll try to get some more pics up sometime and do some more scale counts whenever they shed. However, these are notably behaviorally different than any other spitter that I've worked with. Also, the specimens I have have a reduced number of postocular scales which is often seen in Naja ashei. Whatever they are, they're great animals to work with and I'd like to find more photos and look at more variation in the spitters as a whole.

mfezi Feb 10, 2008 06:10 PM

Something that I did not know, and now I do, is there is a subspecies of N.nigrocollis, call N.n.crawshawi

I dont know if this is in publication of if it is in a paper somewhere, but it is basically a nigrocollis that has a pale chin and occurs west into south west africa.

There is a lot happening with cobras.. Lots and lots. Boulengerina and Paranaja are no more, they have been swallowed into Naja.

Those nigrocollis that came in are stunners, as are all spitters.. thats why name is mfezi--- zulu for spitting cobra


Nigrocollis and I in Bagamoyo, Tanzania Dec 06

TexasReptiles Feb 10, 2008 06:37 PM

According to Broadley's paper, N. ashei, occur in Kenya, north into Southern Somalia and Southeastern Ethiopia.

They are more closely aligned with N. mossambica rather than N. nigricollis.

Average postocular scales is 2, as opposed to 3 on N nigricollis.

The "jury" is still out on this new "species" (my opinion)

Perhaps Donald or Wolfgang can weigh in here.

Randal Berry

mfezi Feb 10, 2008 10:39 PM

dont think the jury is out.. .WW was able to find enough differences with out DNA to discern between nigricollis and ashei

and the correct spelling on that sub species in Naja nigricollis crawshayi

don

TexasReptiles Feb 10, 2008 11:54 PM

I disagree. I got this directly from Wuster/Broadley.
See http://www.mapress.com/zootaxa/2007f/zt01532p068.pdf

Randal Berry

mfezi Feb 11, 2008 12:01 PM

I have read the paper, and I dont understand your point, are you deputing that ashei is a valid species?? sorry, I am feeling a bit lost

d

TexasReptiles Feb 11, 2008 04:35 PM

I guess I didn't explain myself, YES, I think it's a valid species and what I meant by the jury being out, I don't think we know the entire range yet. As you or someone mentioned earlier, that whole Naja complex is a mess, esp. the spitters. (not as messed up or confusing as say the Trimersurus complex!)
Agree?

Randal

WW Feb 11, 2008 04:57 PM

A few comments on this:

1. The pics look like real N. ashei, not like brown aberrant N. nigricollis from Tanzania. Check the ventral coloration at midbody and further back - usually very dark in nigricollis.

2. Although N. ashei has not been recorded from Tanzania, it would not be too surprising to find it there, esp. along the northeastern border with Kenya.

3. Tanzanian brownish nigricollis don't really look like ashei, more like light-headed and necked nigricollis.

4. The status of crawshayi is open to question. We had a specimen from Zambia that (in terms of DNA) stood out from all other nigricollis, but brown-headed nigricollis from eastern Tanzania group with other black East African nigricollis.

5. However, to make things complicated, there are additional brown spitter populations (currently in nigricollis) from further West than ashei - western Uganda, SW Sudan, NE DRC. These normally have lower ventral scale counts than N. ashei - in the 180s rather than well over 190. A ventral scale count from a shed should clarify that. These guys were a major headache when it came to delimiting N. ashei...

Hope this helps.

Cheers,

WW
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WW Home

TexasReptiles Feb 11, 2008 07:19 PM

Thanks Wolfgang!

Randal Berry

mfezi Feb 11, 2008 09:09 PM

Thanks WW... some mysteries cleared up

don

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