Most venomous snake

The current most venomous snake record is 0.01 mg/kg (mouse LD50), held by Inland taipan (Oxyuranus microlepidotus). Last checked October 9, 2026.

0.01

mg/kg (mouse LD50)

Inland taipan (Oxyuranus microlepidotus)

Southwestern Queensland and adjacent areas of New South Wales and South Australia, Australia

Holder: Inland taipan (Oxyuranus microlepidotus)
Record: 0.01 mg/kg (mouse LD50)
Exact figure: around 0.01–0.03 mg/kg mouse LD50
Location: Southwestern Queensland and adjacent areas of New South Wales and South Australia, Australia
Recognized by: Guinness World Records
Last checked: October 9, 2026

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