Komodo dragon

Komodo dragons are apex predators.

An excerpt from the article 13 facts about Komodo dragon

Because of their size, they do not have natural predators. Komodo dragons living in the wild typically weigh 70 kilograms and measure 2,5-3 meters. Specimens kept in captivity usually weigh more.

The largest verified specimen kept in captivity was 3,13 meters long and weighed 166 kilograms (including the undigested food). The largest individual measured in the wild was 3,04 meters long and weighed 81,5 kilograms (without stomach content).