Night Adder

Small viper. Mild venom. Nocturnal.

GenusCausus

RegionAfricaSub-Saharan Africa

Misidentification risk

Night AdderPuff Adder

Photo: Paul venter · Source: Wikimedia Commons · License: CC BY-SA 3.0

Night Adder

Photo: Paul venter · Source: Wikimedia Commons · License: CC BY-SA 3.0

Night Adder

Danger Score

Final Danger Score

Venom Core

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

0.55 × 27 + 0.45 × 1220.3

Modifiers

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

× Speed (1.01)20.5

× Delivery (1.00)20.5

× Encounter (0.86)17.6

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

Score18

Type

CytotoxicDestroys cells and damages tissue; can cause permanent tissue damage and disfigurement.

Venom Yield

Low

Venom Speed

Quick

Delivery Method

Hinged front fangs

Potency (SC Equivalent)

3.300mg/kg LD50

Max Dry Yield

20mg dry

Fatality (Untreated)

0-1%

WHO Importance

Local Effects

Pain at bite site, Swelling, Blistering, Necrosis