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North American Venomous Reptiles
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Common Name |
Latin |
Normal Yield |
Lethal Dose |
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Agkistrodon |
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Copperhead |
A. contortrix |
40 - 70 mg |
100 mg |
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Cottonmouth |
A. piscivorus |
100 - 150 mg |
100 - 150 mg |
|
Crotalus |
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Eastern Diamondback |
C. adamanteus |
492 - 666 mg |
100 mg |
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Western Diamondback |
C. atrox |
200 - 300 mg |
100 mg |
|
Sidewinder |
C. cerastes |
20 - 35 mg |
40 mg |
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Timber/Canebrake |
C. horridus |
100 - 200 mg |
75 - 100 mg |
|
Rock Rattlesnake |
C. lepidus |
up to 129 mg |
local/systemic effects |
|
Speckled Rattlesnake |
C. mitchellii |
up to 229 mg |
local/systemic effects |
|
Blacktail Rattlesnake |
C. molossus |
286 mg avg. |
local/systemic effects |
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Twin Spotted Rattlesnake |
C. pricei |
8 mg |
local/systemic effects |
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Red Diamond Rattlesnake |
C. ruber |
150 - 300 mg |
100 mg |
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Mojave Rattlesnake |
C. scutulatus |
50 - 90 mg |
10 - 15 mg |
|
Tiger Rattlesnake |
C. tigris |
6.4 - 11 mg |
local reactions |
|
Western Rattlesnake |
C. viridis |
75 - 160 mg |
70 - 160 mg |
|
Ridgenose Rattlesnake |
C. willardi |
3.1 mg |
local reactions |
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Sistrurus |
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Massasauga |
S. catenatus |
25 - 35 mg |
30 - 40 mg |
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Pigmy |
S. miliarius |
20 - 30 mg |
local/systemic effects |
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Miscellaneous |
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Coral Snake |
Micrurus fulvius |
3 to 5 mg |
4 - 5 mg |
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Yellow Bellied Sea Snake |
Pelamus platurus |
2.8 mg |
3.7 -7.5 mg |
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Gila Monster |
Heloderma suspectum |
.75 - 1.5 ml |
0.38 - 0.63 mg |
SOME FACTS ABOUT VENOM AND BITES:
Normal venom yield is the amount of venom
milked from a reptile in one session.
The bite discharge of a copperhead is 25%
to 75% of its capacity.
The pigmy delivers 20 mg in an average bite.
Most venoms in the genus Crotalus have a 200
mg/ml concentration.
Venomous Reptiles of North America, Ernst
(1992).
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