Lowlands Copperhead

Only venomous snake in Tasmania. Generally docile.

FamilyElapidae

GenusAustrelaps

RegionOceaniaSoutheastern Australia, Tasmania

Photo: Matt from Melbourne, Australia · Source: Wikimedia Commons · License: CC BY 2.0

Lowlands Copperhead

Photo: Matt from Melbourne, Australia · Source: Wikimedia Commons · License: CC BY 2.0

Lowlands Copperhead

Danger Score

Final Danger Score

Venom Core

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

0.55 × 56 + 0.45 × 4752.0

Modifiers

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

× Speed (1.01)52.5

× Delivery (1.00)52.5

× Encounter (0.86)45.1

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

Score45

Venom Profile

Type

NeurotoxicAffects the nervous system; disrupts nerve-muscle communication and can cause paralysis or respiratory failure.,HemotoxicTargets blood and circulatory system; disrupts clotting and can cause bleeding disorders.

Venom Yield

Moderate

Venom Speed

Quick

Delivery Method

Fixed front fangs

Potency (SC Equivalent)

0.500mg/kg LD50

Max Dry Yield

30mg dry

Clinical Severity

Fatality (Untreated)

5-15%

WHO Importance

Cat. 2

Local Effects

Pain at bite site, Swelling

Blood

Coagulopathy

Gastrointestinal

Nausea or vomiting

Causes of Death

Massive internal bleeding