Eastern Diamondback Rattlesnake

Largest rattlesnake. Highest venom yield of any North American snake.

FamilyViperidae

GenusCrotalus

RegionNorth AmericaSoutheastern United States

Photo: evangrimes · Source: Wikimedia Commons · License: CC BY 4.0

Eastern Diamondback Rattlesnake

Photo: evangrimes · Source: Wikimedia Commons · License: CC BY 4.0

Eastern Diamondback Rattlesnake

Danger Score

Final Danger Score

Venom Core

Lethality weighted 55% (potency × yield). Clinical weighted 45% (real-world CFR).

0.55 × 60 + 0.45 × 7566.8

Modifiers

Multiplicative scalers - amplify or reduce existing danger, can't create it from nothing.

× Speed (1.01)67.4

× Delivery (1.00)67.4

× Encounter (0.86)58.0

Speed = antivenom window. Delivery = fang efficiency. Encounter = exposure × temperament.

Score58

Venom Profile

Type

HemotoxicTargets blood and circulatory system; disrupts clotting and can cause bleeding disorders.,CytotoxicDestroys cells and damages tissue; can cause permanent tissue damage and disfigurement.

Venom Yield

Extremely High

Venom Speed

Quick

Delivery Method

Hinged front fangs

Potency (SC Equivalent)

4.800mg/kg LD50

Max Dry Yield

400mg dry

Clinical Severity

Fatality (Untreated)

10-30%

WHO Importance

Cat. 1

Local Effects

Pain at bite site, Swelling, Bruising, Tissue damage

Blood

Coagulopathy, Circulatory shock

Causes of Death

Massive internal bleeding, Circulatory shock, Multi-organ failure