World's Largest And Longest Snakes Ever

In addition, some prehistoric snakes thought to have been as big as or bigger than anacondas and pythons were also included on the list.

Titanic Boa (Titanoboa cerrejonensis) - World’s Largest Snake Ever

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Titanic Boa is the largest snake ever discovered. They were between 12 and 15 meters or 39 and 49 ft in length and weighed about 1,135 kg or 2,500 lbs with a diameter of 1 m or 40 in at the thickest part of the body. It is believed to have lived approximately 60 to 58 million years ago, in the Paleocene epoch. It was recently discovered in Columbia.

Gigantophis garstini - World’s 2nd Largest Snake Ever

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Gigantophis garstini is another prehistoric snake believed to have measured more than 10 meters (33 ft), larger than any living species of snake. It was the largest snake before the discovery of Titanoboa. Gigantophis lived  approximately 40 million years ago in the southern Sahara where Egypt and Algeria are now situated.

Scrub Python (Morelia amethystina) - Australia’s Largest Snake

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The Scrub Python is the “largest snake in Australia”. It is non-venomous found in Australia, Indonesia and Papua New Guinea. The largest specimen had been measured at more than 8.5 m in length.

Indian Python (Python molurus) - World’s Largest Pet Snake and

Snake with the World’s Largest Girth

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Indian Python is the largest species of snake found in India and has the “largest girth of all snakes”. The longest recorded specimen measured 5.85 m (19 ft 2 in), a pet, making it the “largest pet snake in the world”. Other names include Black-tailed Python, Indian Rock Python, Light Phase Asian Rock Python.

African Rock Python (Python sebae) -Africa’s Largest Snake

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Measuring over 6 meters or 20 ft long, African Rock Python, is the “largest snake of continental Africa”. It is a non-venomous species found in sub-Saharan Africa. It is regarded as one of the world’s largest species of snakes.

Burmese Python (Python molurus bivittatus) - World’s Heaviest Living Snake in Captivity

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• One of the 6 Largest Snake in the World
• Largest Subspecies of Indian Python

At an average of 5.5 m or 18 ft long, the Burmese Python, is one of the 6 largest snakes in the world. It weighs up to 71 kg or 160 lbs and continues to grow throughout life. It is native to Southeast Asia and often found near water and sometimes semi-aquatic, but can also be found in trees.

Baby, a Burmese Python at Serpent Safari Park in Gurnee, Illinois, USA was billed as the “heaviest living snake in captivity”. In 2005, it weighed 183 kilograms (403 lb) at a length of 8.2 meters or 27 ft.

South American Bushmaster (Lachesis muta) - World’s Largest Venomous Snake

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• Longest Venomous Snake in the Western Hemisphere
• World’s largest Pit Viper

Growing 3.65 m or 12 ft long and weighing 8.5 kg or 19 lbs, the South American Bushmaster is the “world’s largest overall venomous snake”. It is also the largest of all pit vipers and the longest venomous snake in the Western Hemisphere. This animal is badly affected by stress and often do not last long in captivity. This makes it difficult to obtain “good, healthy” venom for study purposes.

King Cobra (Ophiophagus hannah) – World’s Longest Venomous Snake

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With length of up to 6.7 m or 22 ft, King Cobra, is the “longest venomous snake in the world”. It weighs up to 6 kg or 13 lbs with an average lifespan of 20 years. This species is widespread throughout Southeast Asia and parts of India, but found mostly in forested areas. Its genus name, Ophiophagus, literally means “snake-eater”, and its diet primarily consists of other snakes, including sizeable pythons and even smaller members of its own species.

Eastern Diamondback Rattlesnake (Crotalus adamanteus) – World’s Heaviest Venomous Snake

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• World’s Largest Rattlesnake and the Heaviest
• Largest Venomous Snake in the Americas
• Most Dangerous Snake of North America
• Rattle Snake with the Longest Fangs

Weighing over 12 kg or 26 lbs, a captive Easter Diamondback Rattlesnake, is the “heaviest venomous snake on record”. It is a found in the southeastern United States. It is also considered the “heaviest and largest of venomous snake in the Americas” and the “world’s largest rattlesnake”. This species also has the reputation of being the most dangerous venomous snake in North America.

Ashe’s Spitting Cobra (Naja Ashei) – World’s Largest Spitting Cobra

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• One of the World’s Most Venomous Snakes

At 3 meters long, the Ashe’s Spitting Cobra or Giant Spitting Cobra of Africa is the “world’s largest species of spitting cobra” and one of the most venomous snakes known. It can be found in Kenya, Uganda, Ethiopia and Somalia.

Green Anaconda (Eunectes murinus) – World’s Largest Living Snake

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With a maximum verified size of 9.5 m or 31.ft long and weighing 250 kg or 550 lbs, the Green Anaconda is considered as the “world’s largest squamata”. The largest of all snakes is found in South America and is known also with common names like Anaconda, Common Anaconda and Water Boa. The eyes are set high on the head and allow the snake to see out of the water when swimming without exposing its body.

Reticulated Python (Python reticulatus) –World’s Longest Snake

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Although much slender than the Anaconda, at 10 m or 33 ft long, the Reticulated Python is the “world’s longest squamata or scaled reptiles”. It is found in Southeast Asia. Like all pythons, they are non-venomous constrictors and normally not considered dangerous to man, even though large specimens are powerful enough to kill an adult and attacks are occasionally reported.

Barbados Threadsnake (Leptotyphlops carlae) –World’s Smallest Snake

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In contrast, at 10 cm or 4 in long, the blind Barbados Threadsnake is the smallest snake known to exist. It is found in Barbados. This snake is “as thin as spaghetti”. The photograph above shows Barbados Threadsnake on a quarter dollar, a coin with a diameter of 24.26 mm or 0.955 inches.

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For related articles about snakes see

• Top 15 Most Venomous Cobras in the World

• The World’s Most Colorful Snakes

• World’s Most Venomous Snakes