The longest snake, a reticulated python, was found in 1912, and was a whopping 32 feet, 9.5 inches, according to Guinness World Records. As for the longest snake that was ever in captivity ...

However, king cobras are an “exception to the rule," he said, making them the longest venomous snake on Earth ... 25.2 feet (7.7 m), according to Guinness World Records. Taking historic records ...