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Crotalus horridus
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by surucucu on July 30, 2010
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I’ve been a little preoccupied with life the last few years, but the last I heard was that there was no more Crotalus horridus atricaudatus. There is only Crotalus horridus, scientifically speaking. Is this still the case?
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RE: Crotalus horridus
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by BGF on July 30, 2010
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Very much so. There is some genetic structure within C. horridus it does not fall along any of the lines traditionally done using arbitrary colour/pattern characteristics. So its all one species. Not to say there arent variations, particularly in venom. The stunning pink form near the Georgia/Florida border has little in the way of local tissue or systemic blood effects but is searingly neurotoxic (as I found out many a year ago).
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RE: Crotalus horridus
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by AquaHerp on July 31, 2010
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Great snakes. The visual variation alone can't just be the basis for splitting species. Certainly one can look at a horridus and surmise that it came from North or South. Look at enough of them and you can start to nail the State itself. However, this is true with many species, albeit not always to the same degree. Look at enough Crotalus atrox and it soon becomes apparent where in the US they originated from too.
And yeah Dr. Fry....those horridus can do a number on ya! Worst bite I ever received. :)
DH
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RE: Crotalus horridus
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by pictigaster1 on July 31, 2010
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Doug ,Brian you guys have been bit.Now it is time to flame you,wait I have been bit as well never mind.Seriously I would love to read an account of those bites.From what I have read that population of canebrakes/timbers is as bad as any mohive.Doug I agree on the atrox as well there are some differences in many populations.In fact I have a dwarf form found in the transpecos only on the tops of some mountains that is very neat indeed.When I collected the one I have it was only 6 inches long at 3 years old now it is just under 2 foot and well fed.Back to the timbers there will always be 2 sides to that question as long as there are snake people.The copperheads are being clumped togather as well.It seems that habitat and color as well as behavior are not enough to seperate a species in to a subspecies any more dna has the final say.
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RE: Crotalus horridus
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by AquaHerp on July 31, 2010
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My timber bite was recounted in a gentleman's thesis back in 94 I think it was. Very nasty bite, 43 vials of the old Wyeth. I'm part horse now. Sadly, not the good parts
DH
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RE: Crotalus horridus
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by BGF on July 31, 2010
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My bite produced symptoms best described as a very bad LSD trip. Profound sensory effects included an extremely peculiar loss of colour vision. My world was monochromatic. White to black with only shades of yellow in between. No reds. No blues. No greens. Freaky. Some toasty visual hallucinations accompanied it. Not fun at all. Systemic effects included significant disruption of heartbeat (irregular bursts). All without any local swelling or tissue damage. This was by a foot long juvi.
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RE: Crotalus horridus
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by enixon on August 22, 2010
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Hi there, this is my first post to this forum, so please don't hate me for asking stupid questions.
I got about 6 inches away from getting tagged by a wild C. horridus tonight in Georgia, and it got me thinking about the effects of the venom. Have any of you guys been bitten? What was it like? Aside from monochromatic vision, that is :)
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RE: Crotalus horridus
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by Peter84Jenkins on August 22, 2010
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I wrote an article on my bite from a Ga local Horridus.
Its called 'I should be dead'. That is if you are referring to the mountain variation, or Crotalus horridus and not atricaudatus (canebrake). You will have to pardon the grammar since I was still healing when I wrote that piece.
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