Craugastor rhyacobatrachus

Craugastor rhyacobatrachus is a species of frogs in the family Craugastoridae. It is found in the Pacific slopes of the Talamanca-Barú Massif of Costa Rica and western Panama.[1][2] The specific name rhyacobatrachus is derived from Greek batrachos (for "frog") and rhyaco ("torrent"), in reference to the torrential streams that this species inhabits.[3]

Craugastor rhyacobatrachus
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Craugastoridae
Genus: Craugastor
Subgenus: Craugastor
Species:
C. rhyacobatrachus
Binomial name
Craugastor rhyacobatrachus
(Campbell and Savage, 2000)
Synonyms[2]

Eleutherodactylus rhyacobatrachus Campbell and Savage, 2000[3]

Description

Adult males measure 40–50 mm (1.6–2.0 in) and adult females 55–81 mm (2.2–3.2 in) in snout–vent length. The snout is subelliptical to elliptical from above and rounded in profile. The upper eye is covered with large tubercles. The tympanum is distinct. The fingers have large discs and weak lateral fringes. The toes have large discs, definite fringes, and are heavily webbed. Skin is dorsally very rugose. The dorsum is tan to olive brown, heavily spotted or blotched with even darker markings. The posterior thigh surface has pale yellow and brown mottling. The venter is pale yellow and is heavily marked brown, as is the throat and chest.[3]

Habitat and conservation

Natural habitats of Craugastor rhyacobatrachus are streams in streams within humid montane forests at elevations of 950–1,800 m (3,120–5,910 ft) above sea level. It is associated with rocks and waterfalls, normally found at night sitting or foraging on rocks in mountain streams.[1][3] This species was once quite common where it occurred. It appears to have gone extinct in Costa Rica, where, as of 2007, it has not been seen after 1964. It is also believed to have declined in Panama. In addition to habitat loss, the decline is assumed to be caused by chytridiomycosis.[1]

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References
  1. Solís, F.; Ibáñez, R.; Chaves, G.; Savage, J.; Jaramillo, C.; Fuenmayor, Q. & Bolaños, F. (2008). "Craugastor rhyacobatrachus". IUCN Red List of Threatened Species. 2008: e.T56913A11551412. doi:10.2305/IUCN.UK.2008.RLTS.T56913A11551412.en.
  2. Frost, Darrel R. (2017). "Craugastor rhyacobatrachus (Campbell and Savage, 2000)". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 25 September 2017.
  3. Campbell, Jonathan A. & Savage, Jay M. (2000). "Taxonomic reconsideration of Middle American frogs of the Eleutherodactylus rugulosus group (Anura: Leptodactylidae): a reconnaissance of subtle nuances among frogs". Herpetological Monographs. 14: 186–292. doi:10.2307/1467048. JSTOR 1467048.
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