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venom comparison
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by Buckk on March 19, 2005
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Has anyone ever studied the differences in A.piscivorus and A.contortrix because even though they are the same genus the venom of the cottonmouth is much more harmful than that of the copperhead, and I am thinking of getting samples of venom from each and doing an IR spectroscopy just to see how different the peaks may be........just something that has been on my mind....maybe its their diet, I don't know.
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RE: venom comparison
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by bush_viper17 on March 19, 2005
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I was thinking that the venom of the cottonmouth may be more toxic because it spends alot of time catching fish(something that could get away if it wasnt taken care of quickly).
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RE: venom comparison
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by Rmitchell on March 19, 2005
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Hey man I’m no expert, but I think the cottons have more toxic levels of venom because they eat ceresin a lot of the time. They are opportunistic feeders & will feed on dead, decaying or live prey items. I have heard that it’s not uncommon for one to feed on road kill from time to time. It may be due to the bacteria they ingest.
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RE: venom comparison
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by GREGLONGHURST on March 20, 2005
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The fact that cottonmouths will readily consume carrion has nothing to do with their venom's strength, however, the bacteria in the mouth will make for a nastier bite. Venom strength varies widely within the genus Crotalus as well, guys. Heck, it even varies widely within the same species. Crotalus adamanteus in north Florida have a much more toxic bite than the ones from southern Florida. I'd bet that the same kind of variation exists in other species as well.
~~Greg~~
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RE: venom comparison
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by JHarrison on March 20, 2005
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Greg your statement appears to be right about venoms varying within the same species. It also appears to vary to a lesser degree in the same test animals over periods of time.
Jim Harrison
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RE: venom comparison
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by timberrattlesnake89 on March 20, 2005
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Hey Greg,
Another great example of various in venom in the same species is Crotalus Horridus. The canebreak rattlesnake is a lot more toxic than the timber rattlesnake. A canebreak rattlesnake from Jasper county, SC had 37% neurotoxin.
Phillip
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RE: venom comparison
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by hot-kid on March 24, 2005
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Whoa Buckk!
I'm a freshman at FMU. We need to meet up man!
I'm workin on writing my first research project under Dr. Camper.
Hit me up at Zero180@aol.com
p.s.- found my first snakes of the season today back behind campus... even if they were just a racer and some ringnecks.
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RE: venom comparison
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by hot-kid on March 24, 2005
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Jim- That's interesting about venoms varying in individual specimens. Anyone ever looked into diet composition affecting venom composition?
Matt
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RE: venom comparison
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by JHarrison on March 24, 2005
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Several studies are being done as we speak.
If you have other question feel free to email us and I can point you towards some papers.
Jim Harrison
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