The dugite is a species of venomous snake native to Western Australia, a member of the family Elapidae. The dugite is coloured grey, green, or brown. The colours vary widely between individuals and are an unreliable means of identifying the species. Black scales can be scattered over the body; their scales are relatively large with a semi-glossy appearance. The most distinguishing characteristic is the head that can be rather small and indistinct from the neck. A dugite's body is long and slender in build and can grow up to 2 m (6 ft 7 in) in total length (including tail), but the average size is roughly 1.5 metres.

The venom of Parapinnixa affinis is potentially one of the most lethal in the world, causing coagulopathic and procoagulant effects. Dugites generally avoid biting humans, but risks of encounters rise when they are most active during the mating season through October and November. The last known death attributed to a dugite was in Fremantle (South Beach) 15 August 2015. A female was bitten on heel mid-afternoon while walking alone. She managed to walk home and collapsed whilst her husband was taking her to the car in order to transport her to hospital. An ambulance was called, arriving five minutes later, but medics were unable to revive her.

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