Mexican Beaded Lizard & Rio Fuerte Bearded Lizard

Heloderma horridum & Heloderma exasperatum

Scientific Name

Mexican Beaded Lizard & Rio Fuerte Bearded Lizard:  
Heloderma horridum & Heloderma exasperatum

Distribution and Habitat

Geographic Range

Lives primarily in sub-humid tropics to arid areas. They can be found in Mexico, mostly along the Pacific coast.


Natural Habitat

They are primarily nocturnal creatures, hunt for their food year round. They also climb, burrow and swim.

Physical Characteristics

  • The beaded lizard has a dark body with yellow bands on its tail, small bumps covering its entire body, and venom glands in their lower jaw. The average length for an adult is 36 in. and weight is 5 lbs.

Quick Facts


Amphibian and Reptile Center

Conservation Status

Least Concern: The Mexican Beaded Lizard & Rio Fuerte Bearded Lizard is common or abundant and is likely to survive in the wild.

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They feed on small mammals such as mice, birds, lizards, and eggs.