A closeup of a Bushmaster’s (Lachesis muta) scales. In Greek mythology Lachesis was the one that decided the length of a person’s life. They are the largest pitviper in the world, and the largest venomous snake in the New World. They can grow to 12 ft. in length. Bushmasters are also known as: Mapepire Z’Ananna (Trinidad and Tobago), Mapepire Zanana (Trinidad), Mapepire Grande (Trinidad), Surucucú (Brazil), Shushúpe (Peru), Pucarara (Bolivia), Cuaima (Venezuela), Verrugosa (Columbia), Verrugoso (Columbia), Makka Sneki (Suriname), Makkaslang (Suriname), Atlantic Forest Bushmaster (Brazil).