Silverstoneia erasmios

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Silverstoneia erasmios
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Dendrobatidae
Genus: Silverstoneia
Species:
S. erasmios
Binomial name
Silverstoneia erasmios
(Rivero and Serna, 2000)
Synonyms

Colostethus erasmiosRivero and Serna, 2000 "1995"

Silverstoneia erasmios is a species of frog in the family Dendrobatidae. It is endemic to Colombia where it is known from the Cordillera Occidental and Cordillera Central in the Antioquia Department. [2] [3]

Contents

Validity of this species is uncertain; females are indistinguishable from Silverstoneia nubicola but males are unknown. Its higher altitudinal range (to 1,940 m (6,360 ft) asl) than Silverstoneia nubicola (maximum elevation 1,300–1,600 m (4,300–5,200 ft)) suggests that it might be a distinct species. Other data (males, vocalizations, DNA samples) are needed to resolve this question. [4]

Description

Adult females measure 21–22 mm (0.83–0.87 in) in snout–vent length (based on two specimens); males are unknown. Ventral colouration is immaculate. Thigh colouration is light. [4]

Habitat

This terrestrial frog lives in gallery forests and primary rainforests. People have observed the frogs on trails in forests, in secondary forest, just outside forests, and near grazing areas. [2] [5]

The tadpoles develop in streams. [5]

Threats

The IUCN classifies this frog as endangered because of its small range and ongoing deforestation in favor of cattle grazing. Scientists have observed the fungus Batrachochytrium dendrobatidis on this frog, but they do not know its precise morbidity or mortality. Other frogs in the genus have become infected with Batrachochytrium dendrobatidis and not experienced significant declines. This fungus causes the disease chytridiomycosis. [1]

The frog's range includes at least protected parks: Parque Nacional Natural Las Orquídeas and Parque Nacional Natural Tatamá. [1]

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References

  1. 1 2 3 IUCN SSC Amphibian Specialist Group (2019). "Silverstoneia erasmios". IUCN Red List of Threatened Species . 2019: e.T55076A85893306. doi: 10.2305/IUCN.UK.2019-2.RLTS.T55076A85893306.en . Retrieved 15 November 2021.
  2. 1 2 Frost, Darrel R. (2015). "Silverstoneia erasmios (Rivero and Serna, 2000)". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 12 April 2015.
  3. Acosta-Galvis, A.R. (2014). "Silverstoneia erasmios (Rivero & Serna, 2000 "1995")". Lista de los Anfibios de Colombia V.05.2015.0. www.batrachia.com. Retrieved 12 April 2015.
  4. 1 2 Grant, T.; Myers, C. W. (2013). "Review of the frog genus Silverstoneia, with descriptions of five new species from the Colombian Chocó (Dendrobatidae: Colostethinae)". American Museum Novitates (3784): 1–58. doi:10.1206/3784.2. hdl:2246/6450. S2CID   84059309.
  5. 1 2 IUCN SSC Amphibian Specialist Group 2019. Silverstoneia erasmios. The IUCN Red List of Threatened Species 2019: e.T55076A85893306. Downloaded on 23 July 2019.