What is the world's largest type of tortoise by weight?

The world's largest type of tortoise by weight is the Galapagos tortoise, which can weigh up to 550 pounds (250 kilograms). These tortoises are native to the Galapagos Islands, a volcanic archipelago in the Pacific Ocean, and are known for their long lifespans, with some individuals living to be over 100 years old. The Galapagos tortoise is also one of the 15 species of giant tortoises that are found in the world, with the others being native to different islands in the Indian Ocean and the western and central Pacific Ocean.

The Galapagos tortoise is considered a vulnerable species due to habitat loss, hunting, and the introduction of non-native species to the islands. Conservation efforts have been implemented to protect the remaining population, and the species is now protected by law.