Craugastor aphanus

Craugastor aphanus
Conservation status
	; Vulnerable (IUCN 3.1)[1]
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Amphibia
Order:	Anura
Family:	Craugastoridae
Genus:	Craugastor
Species:	C. aphanus
Binomial name
	Craugastor aphanus; (Campbell, 1994)
Synonyms
	Eleutherodactylus aphanus Campbell, 1994[2]

Craugastor aphanus is a species of frog in the family Craugastoridae. It is endemic to the Sierra del Mico and Sierra de las Minas ranges in the Izabal Department of eastern Guatemala.[1][3]

Description

Adult males measure 18–22 mm (0.71–0.87 in) and females 35–44 mm (1.4–1.7 in) in snout–vent length. In addition to the marked sexual dimorphism in size, males differ from females by having a relatively larger tympanum that is round as opposed elongated, and in coloration: the dorsum of adult females is medium or dark brown, whereas that of juveniles and males is usually paler and often with some yellow, orange, or reddish brown hue, occasionally dark olive brown. Even more strikingly, the venter is yellowish in males and purplish in females.[2]

The skin of the dorsum is smooth but has prominent occipital folds that extend from the posterior edge of upper eyelids to above the scapulae. Neither fingers nor toes are webbed but they bear small discs.[2]

Habitat and conservation

Its natural habitat is low-altitude (591–786 m (1,939–2,579 ft) above sea level) cloud forest.[1][2] Although much of its habitat is within a protected area, small-scale wood extraction is taking place and the species is known from only from two locations, hence it assessment as "Vulnerable".[1]

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References

Acevedo, M.; Smith, E. (2004). "Craugastor aphanus". IUCN Red List of Threatened Species. 2004: e.T56426A11476501. doi:10.2305/IUCN.UK.2004.RLTS.T56426A11476501.en.
Campbell, J. A. (1994). "A new species of Eleutherodactylus (Anura: Leptodactylidae) of the biporcatus group from eastern Guatemala". Herpetologica. 50 (3): 296–302. JSTOR 3892702.
Frost, Darrel R. (2016). "Craugastor aphanus (Campbell, 1994)". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 19 August 2016.

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[IUCN-1] Acevedo, M.; Smith, E. (2004). "Craugastor aphanus". IUCN Red List of Threatened Species. 2004: e.T56426A11476501. doi:10.2305/IUCN.UK.2004.RLTS.T56426A11476501.en.

[Campbell_1994-2] Campbell, J. A. (1994). "A new species of Eleutherodactylus (Anura: Leptodactylidae) of the biporcatus group from eastern Guatemala". Herpetologica. 50 (3): 296–302. JSTOR 3892702.

[Frost-3] Frost, Darrel R. (2016). "Craugastor aphanus (Campbell, 1994)". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 19 August 2016.