Lithobates tlaloci

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• Classification Schemes
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• Bibliography
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Taxonomy [top]

Kingdom	Phylum	Class	Order	Family
ANIMALIA	CHORDATA	AMPHIBIA	ANURA	RANIDAE

Scientific Name:	Lithobates tlaloci
Species Authority:	(Hillis and Frost, 1985)
Common Name/s: English – Tlaloc's Leopard Frog Spanish – Rana De Tláloc
Synonym/s:	Rana tlaloci Hillis and Frost, 1985

Assessment Information [top]

Red List Category & Criteria:	Critically Endangered   B1ab(iii,v)+2ab(iii,v)   ver 3.1
Year Published:	2004
Assessor/s:	Georgina Santos-Barrera, Oscar Flores-Villela
Reviewer/s:	Global Amphibian Assessment Coordinating Team (Simon Stuart, Janice Chanson, Neil Cox and Bruce Young)
Justification: Listed as Critically Endangered because its Extent of Occurrence is less than 100 km2, its distribution is severely fragmented, and there is continuing decline in the extent and quality of its habitat around Mexico City.
History:	1996 – Extinct 1994 – Extinct? (Groombridge 1994)

Geographic Range [top]

Range Description:	The historical range of this species was the Valley of Mexico at Xochimilco, and probably Chalco, and maybe in the eastern state of Mexico, central Mexico.
Countries:	Possibly extinct: Mexico
Range Map:	Click here to open the map viewer and explore range.

Population [top]

Population:	This species is most likely extinct, and has not been seen since it was first described in 1985.
Population Trend:	Decreasing

Habitat and Ecology [top]

Habitat and Ecology:	It inhabited wetland areas in the surroundings of southern Mexico City.
Systems:	Freshwater

Threats [top]

Major Threat(s):

The rapid and intense growth of Mexico City with its high rate of urbanization has caused the disappearance of the only known suitable habitats for this species.

Conservation Actions [top]

Conservation Actions:

It seems that no individuals of this species survive in the wild, but an intensive survey is needed to check all the possible localities where this species could occur. The Mexican government has placed this species in the "Endangered" category.

Bibliography [top]

Hillis, D.M. and Frost, J.S. 1985. Three new species of leopard frogs (Rana pipiens complex) from the Mexican Plateau. Occasional Papers of the Museum of Natural History of the University of Kansas: 1-14. IUCN. 2004. 2004 IUCN Red List of Threatened Species. www.iucnredlist.org. Downloaded on 23 November 2004.