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Abbreviation Legend

  • (CE) - Criticially Endangered
  • (CI) - Critically Imperiled
  • (E) - Endangered
  • (I) - Introduced
  • (IM) - Imperiled
  • (NT) - Near Threatened
  • (T) - Threatened
  • (V) - Vulnerable
  • (**) - Recent Classification Change
Home »» Frogs & Toads »» Microhylidae (Narrow-Mouthed Frogs)

Narrow-Mouthed Frogs (Microhylidae) of the United States


The Microhylidae, commonly known as narrow-mouthed frogs, are a geographically widespread family of frogs. The 683 species in 63 genera and 11 subfamilies, which is the largest number of genera of any frog family. As suggested by their name, mircohylids are mostly small frogs. Many species are below 1/2 inch in length, although some species are as large as 3 1/2 inches. They can be arboreal of terrestrial, and some even live close to water.

There are 4 species, representing 2 genus found in the United States, all are native to the U.S.

Eastern Narrow-Mouthed Toad
(Gastrophryne carolinensis)
(V)

Mazatlan Narrow-Mouthed Toad
(Gastrophryne mazatlanensis)

Western Narrow-Mouthed Toad
(Gastrophryne olivacea)

Sheep Frog
(Hypopachus variolosus)
 

 

 

 

Recommended Books at Amazon.com


Frogs and Toads of the World     Frogs and Toads (A Golden Guide from St. Martin's Press)     Frog or Toad?: How Do You Know? (Which Animal Is Which?)     National Geographic Readers: Frogs!



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Disclaimer: ITIS taxonomy is based on the latest scientific consensus available, and is provided as a general reference source for interested parties. However, it is not a legal authority for statutory or regulatory purposes. While every effort has been made to provide the most reliable and up-to-date information available, ultimate legal requirements with respect to species are contained in provisions of treaties to which the United States is a party, wildlife statutes, regulations, and any applicable notices that have been published in the Federal Register. For further information on U.S. legal requirements with respect to protected taxa, please contact the U.S. Fish and Wildlife Service.

 
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