Spiny-Tailed Iguanas

Ctenosaura is a lizard genus commonly known as spinytail iguanas or Ctenosaurs. The Genus Is Part Of The Large Lizard Family, Iguanidae And Is Native To Mexico And Central America.


The name is derived from two Greek words: ctenos (κτενός), meaning "comb" (referring to the comblike spines on the lizard's back and tail), and saura (σαύρα), meaning "lizard".

Rio Aguán Valley and Cayos Cochinos, Honduras 

Nicaragua to Northwestern Costa Rica

The Motagua Spiny-tailed Iguana (Ctenosaura palearis) is endemic to Guatemala and is listed as Endangered by the IUCN Red List of Threatened Species and is protected under CITES Appendix II.

Very little is known about this small iguana restricted to the Pacific versant of the Isthmus of Tehuantepec in Southern Oaxaca, México.

Roatán Spiny-tailed Iguanas (Ctenosaura oedirhina) are found only on the island of Roatán, the largest of the Honduran Bay Islands.

The Útila Spiny-tailed Iguana (Ctenosaura bakeri), or “Swamper” as it is known locally, is endemic to the island of Útila, which is located in the Bay Island archipelago off the Caribbean coast of Honduras.