Atelopus chiriquiensis

Atelopus chiriquiensis, the Chiriqui harlequin frog[2] or Lewis' stubfoot toad, is an extinct species of toad in the family Bufonidae that was found in the Cordillera de Talamanca in Costa Rica and western Panama (Province and Bocas del Toro Provinces).[1][3] Its natural habitats were stream margins in lower montane wet forests and rainforests. Its elevational range was 1,400–2,500 m (4,600–8,200 ft) asl.[1]

Atelopus chiriquiensis
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Bufonidae
Genus: Atelopus
Species:
A. chiriquiensis
Binomial name
Atelopus chiriquiensis
Shreve, 1936

Description

Atelopus chiriquiensis was a moderately sized toad: males measure 28–34 mm (1.1–1.3 in) in snout–vent length and females 36–49 mm (1.4–1.9 in). Colouring was highly variable and usually different between males and females. They had weakly developed and relatively inconspicuous poison glands scattered over the head and dorsum; nevertheless, they produced tetrodotoxin, a potent neurotoxin.[2]

Conservation status

This once locally abundant species has not been seen in Costa Rica since 1996 and is considered extinct in the country. It is also thought to have disappeared from Panama as there are no records since late 1990s. The decline was probably linked to chytridiomycosis. Habitat loss and introduced trout were also threats.[1] The IUCN Red List now considers Atelopus chiriquiensis extinct.[4]

References
  1. IUCN SSC Amphibian Specialist Group (2020). "Atelopus chiriquiensis". IUCN Red List of Threatened Species. 2020: e.T54498A54340769.
  2. "Atelopus chiriquiensis". AmphibiaWeb: Information on amphibian biology and conservation. [web application]. Berkeley, California: AmphibiaWeb. 2014. Retrieved 24 November 2014.
  3. Frost, Darrel R. (2014). "Atelopus chiriquiensis Shreve, 1936". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 24 November 2014.
  4. Ssc), IUCN SSC Amphibian Specialist Group (IUCN (2019-09-10). "IUCN Red List of Threatened Species: Atelopus chiriquiensis". IUCN Red List of Threatened Species. Retrieved 2020-12-10.
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