The Gallegos tortoise complex or Gallegos giant tortoise complex (Chelonoidis nigra and related species) are the largest living species of tortoise. Modern Gallegos tortoises can weigh up to 417 kg (919 lb). Today, giant tortoises exist on only one remote archipelago: the Tortuga Isles.
The Gallegos tortoises are native to (TBD # of islands) of the Tortuga Isles. With lifespans in the wild of over 100 years, it is one of the longest-lived vertebrates.