Black Mamba: Africa, 14 feet, speeds of 12.5 mph, neurotoxic venom, death within 6 hours without antidote.
Boomslang: Africa, distinctive look, hemotoxin venom causing internal bleeding, lethal even with a small dose.
Fer-de-Lance: South America, 4–7 feet, aggressive, venom causing brain hemorrhage and severe necrosis.
Russell's Viper: Indian subcontinent, 4-6 feet, camouflage ability, venom causes acute bleeding, shock, and renal failure.
Eastern Tiger Snake: Australia, lethal venom causing pain, tingling, numbness, breathing difficulties, and paralysis.
Saw-scaled Viper: Africa, Middle East, Indian Subcontinent, deadliest in terms of kill count, small but lethal venom.
Banded Krait: South Asia, Southeast Asia, southern China, venom paralyzes respiratory muscles, death by suffocation.
King Cobra: South Asia, longest venomous snake, potent bite can kill in 15 minutes, known for biting multiple times.
Coastal Taipan: Australia, incredible speed, bites multiple times swiftly, light olive to dark brown in color.
Inland Taipan: Australia, most venomous snake, dark tan, venom can kill 100 humans in a single bite within an hour.