Lithobates megapoda

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Lithobates megapoda
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Ranidae
Genus: Lithobates
Species: L. megapoda
Binomial name
Lithobates megapoda
(Taylor, 1942)

Rana megapoda Taylor, 1942
Rana trilobata Mocquard, 1899

The big-footed leopard frog or bigfoot leopard frog, Lithobates megapoda (formerly Rana megapoda), is a species of frog in the Ranidae family endemic to western central Mexico where it is found in the Nayarit, Jalisco, Michoacan, and Guanajuato states.[2]


Lithobates megapoda are large, robust frogs. Females can be as large as 157 mm (6.2 in) in snout–vent length, whereas males are somewhat smaller, up to 112–117 mm (4.4–4.6 in). The back is of various shades of brown and patternless or (usually) with dark brown blotches that vary in numbers, size, and shape. The tadpoles are about 25–27 mm (0.98–1.06 in) at metamorphosis.[3]


Lithobates megapoda is predominantly an aquatic frog. It inhabits permanent lakes, rivers and pools in shrubland and pine-oak forests; breeding takes place in the same habitats.[1]

Usage and conservation[edit]

Lithobates megapoda is collected for human consumption.[1] There is also archaeological evidence suggesting that these frogs were an important component in the diet of the native communities in the Laguna de Magdalena Basin (Jalisco) during both prehispanic and colonial periods. A single frog may produce as much as 300 grams (11 oz) flesh.[4]

This previously common frog has declined in abundance, particularly in the southern parts of its range. Threats to it include pollution, collection for food, and habitat loss (logging of pine-oak forests).[1]


  1. ^ a b c d Santos-Barrera, G. & Flores-Villela, O. (2004). "Lithobates megapoda". IUCN Red List of Threatened Species. Version 2014.3. International Union for Conservation of Nature. Retrieved 26 November 2014. 
  2. ^ Frost, Darrel R. (2014). "Lithobates megapoda (Taylor, 1942)". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 26 November 2014. 
  3. ^ Webb, Robert G. (1996). "A systematic review of the Mexican frog Rana megapoda Taylor (Anura: Ranidae)". Southwestern Naturalist. 41 (1): 35–42. JSTOR 30054438. 
  4. ^ Porcasi, Judith F. (2010). "Archeological evidence for dietary use of bigfoot leopard frog (Lithobates megapoda) in postclassic and colonial central Mexico". Culture & Agriculture. 32 (1): 42–48. doi:10.1111/j.1556-486X.2010.01034.x. ISSN 1048-4876.