The Galápagos tortoise or Galápagos giant tortoise ( Chelonoidis nigra ) is the largest living species of tortoise and the 13th-heaviest living reptile , reaching weights of over 400 kg ( 880 lb ) and lengths of over 1.8 meters ( 5.9 ft ) .
The Galápagos tortoise or Galápagos giant tortoise ( Chelonoidis nigra ) is the biggest living species of tortoise and the 10th-heaviest living reptile .