Largest Vertebrate Animals in the World

Sea Crocodile: World's Largest Reptile

Largest in the Animal Kingdom - Vertebrates:

Among mammals

- The largest mammal in the world is the Blue Whale (Balaenoptera musculus). An adult animal of this species can reach 30 meters in length and 180 tons in weight.

- The largest land mammal in the world is the Savannah Elephant (African Loxodonta), a species of African elephant (Loxodonta). The adult male can reach 4 meters in height and 7 tons in weight.

Among the reptiles

- The largest reptile in the world is the sea crocodile (Crocodylus porosus). This giant crocodile lives in the waters of the Indian and Pacific oceans. The adult male can reach 7 feet in length and 1,500 pounds in weight.


- The largest among amphibians is the Giant Salamander (Andrias davidianus). This salamander can reach 2.5 meters in length and 25 pounds in weight. They are found mainly in lakes located in mountainous areas of China and Japan.

Among the birds

- The largest bird in the world is the Ostrich (Struthio camelus). Originally from Africa, it can reach 2.6 meters in height (adult male) and 130 pounds in weight.

Among the fish

- The largest fish in the world is the whale shark (Rhincodon typus). They live in warm waters (tropical climate) of the Atlantic, Indian and Pacific oceans. An adult male can reach 12.5 meters in length and 21 tons in weight.

African Elephant or Savannah Elephant (African Loxodonta): largest land mammal in the world.