How Big Is the Biggest Alligator Lizard? Size Comparison and Facts

Discover how big the biggest alligator lizard can get, featuring the San Francisco and giant alligator lizards’ size facts.

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The San Francisco alligator lizard (Elgaria coerulea coerulea), a subspecies of the northern alligator lizard, is often cited as one of the biggest among the alligator lizards, with adults typically reaching up to 12 inches (30 cm) in length. However, the common giant alligator lizard (Elgaria multicarinata multicarinata) is even more impressive, as it can grow notably larger, with some specimens possibly exceeding this length, including their tails. The sizes can vary significantly across different habitats and geographical locations.

FAQs & Answers

  1. What is the average size of an alligator lizard? The average size of an alligator lizard varies by species but typically ranges from 6 to 12 inches in length, with the San Francisco alligator lizard reaching about 12 inches.
  2. Which alligator lizard species is the largest? The common giant alligator lizard (Elgaria multicarinata multicarinata) is generally considered the largest, often exceeding the size of the San Francisco alligator lizard.
  3. Do alligator lizard sizes vary by habitat? Yes, alligator lizard sizes can vary significantly depending on their habitat and geographical location.

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