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night snakes....rat snakes?

xblackheart Nov 15, 2006 03:22 PM

I was just curious. I bought two snakes at a reptile show. They were from two different companies, but the one stated they got their snakes from the other. The one that both snakes originated from had them labelled as mexican night snakes. The other had the snakes labelled as honduran rat snakes. How can the same type of snake have two different names and be from mexico and be honduran as well?


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****Misty****

www.sneakyserpents.com

"Time flies when you can't remember what you did yesterday!"

Too Many Snakes to count or List!

Replies (7)

chrish Nov 15, 2006 04:43 PM

They are both Elaphe flavirufa - or whatever the correct genus for flavirufa is now

They are often sold as "Mexican Cornsnakes", "Mexican Ratsnakes", "Mexican Nightsnakes" as well as the same names with different locality names in front (e.g. Honduran Nightsnake, Guatemalan Cornsnake, etc). All the same species of snake.

There are a couple of subspecies that range from eastern Mexico down into the Yucatan and south into Nicaragua. Troy has a decent discussion of their range and common names on his website - www.kingsnake.com/ratsnake/central.htm
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Chris Harrison
San Antonio, Texas

tbrock Nov 15, 2006 09:07 PM

Chris,

The most current genus name I've heard is Pseudelaphe.

-Toby

tspuckler Nov 16, 2006 11:27 AM

Actually a REAL* night snake looks like this. Part of the problem with common names is that an animal can have more than one. Not only that, one common name can refer to multiple species of animals.

Tim

* I use the term "real" loosely, as this type of night snake is rearfanged and not closely related to rat snakes.
Third Eye
Third Eye

Rivets55 Nov 17, 2006 12:48 PM

Tim's picture shows the key characretistic that differentiates Night Snakes from Rat snakes: All Night Snakes have vertically eliptical pupils; all Rat Snakes have round pupils.

Beautiful snakes!

John D.
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I am so not lesdysxic!

0.1 Creamsicle Cornsake "Yolanda"
1.0 Bairds Ratsnake "Steely Dan"
0.1 Desert Kingsnake "FATTY"
0.1 Black Rat (WV Rescue) "Roberta"

tbrock Nov 18, 2006 08:55 AM

Chinese king rat snakes (Elaphe carinata) have vertically elliptical pupils.

-Toby

Rivets55 Nov 21, 2006 06:32 PM

>>Chinese king rat snakes (Elaphe carinata) have vertically elliptical pupils.
>>
>>-Toby

I was thinking of North America. My knowledge pretty much stops at the Meican border anyway, so there ya go.

Thanks for the info Toby.

TC and BB - JPD
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I am so not lesdysxic!

0.1 Creamsicle Cornsake "Yolanda"
1.0 Bairds Ratsnake "Steely Dan"
0.1 Desert Kingsnake "FATTY"
0.1 Black Rat (WV Rescue) "Roberta"

ratsnakehaven Nov 19, 2006 04:10 PM

>>I was just curious. I bought two snakes at a reptile show. They were from two different companies, but the one stated they got their snakes from the other. The one that both snakes originated from had them labelled as mexican night snakes. The other had the snakes labelled as honduran rat snakes. How can the same type of snake have two different names and be from mexico and be honduran as well?
>>

They can't be from both countries and be the same subspecies. Schulz '96, stated that the Honduran night snake was the most common in the hobby, and can probably be told apart by the divided preocular and the number of dorsal scales rows on the anterior part of body. Otherwise, these two look a lot alike, and are basically the same snake.

Both names are confusing. Mexican night snake is often a general term for all the subspecies, but they are not often from Mexico. Honduran ratsnake is not good either, because they are confused with the Honduran green ratsnake, Senticolis triaspis; and the subspecies, Pseudelaphe (Elaphe) f. pardalina, is also from Guatamala and Belize. Night snake is not the greatest common name either, as has already been stated. Mexican corn snake is equally a bad common name, as the real Mexican corn snakes, Pantherophis guttatus meahllmorum, range throughout northeastern Mexico.

Probably Mexican night snake or Honduran night snake, depending which ssps it is, would be best, if there isn't any other common name that can be used. This is likely most prevalent in the hobby. I just wish we could come up with a better common name for this very interesting species.

Those are great looking snakes, BTW. I love all the black they have.

TC

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