Callopistes maculatus, also known as the dwarf tegu, Chilean dwarf tegu,[2] spotted false monitor or Chilean iguana (in Spanish iguana Chilena), is a species of lizard in the family Teiidae.

[1][3][4] It is the largest lizard of Chile, reaching a 50 centimetres (20 in) length.

However, it also eats other, smaller lizards, snakes and small birds and mammals.

[2] At times, it may also eat substantial amounts of fruit.

[5] The species frequents rocky, sandy scrubland environments in areas such as the Atacama Desert,[6] at altitudes below 500m.