Sarcohyla siopela

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Sarcohyla siopela
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Hylidae
Genus: Sarcohyla
Species:
S. siopela
Binomial name
Sarcohyla siopela
(Duellman  [ fr ], 1968)
Synonyms
  • Hyla siopelaDuellman, 1968 [2]
  • Plectrohyla siopela(Duellman, 1968)

Sarcohyla siopela, also known as the voiceless treefrog or mute treefrog, is a species of frog in the family Hylidae. It is endemic to Mexico and only known from the west slope of the Cofre de Perote Mountain, in Sierra Madre Oriental, central Veracruz. [1] [3] It is feared that the species might be extinct. [1]

Contents

Etymology

The specific name siopela is derived from the Greek siopelos, which means "silent" and refers to the lack of a voice in this species. [2]

Description

Adult males measure 47–50 mm (1.9–2.0 in) and females 45–53 mm (1.8–2.1 in) in snout–vent length. The snout is truncate. The tympanum is partly concealed and indistinct. The fingers have vestigial webbing whereas the toes are moderately webbed. The dorsum is pale green to olive green, with darker green or black flecks or reticulations, or pinkish tan in color, carrying dark brown or black flecks or reticulations. Juveniles are uniform pale green. Males have prepollex (the "spikethumb") that is large and flat and bears small nuptial spines. They lack vocal slits and appear to be mute. [2]

Habitat and conservation

The natural habitats of this species dry pine forest where it is found only in mountain streams in crevices and rocks. It is known from elevations between 2,500 and 2,550 m (8,200 and 8,370 ft) above sea level. [1] At night, these frogs were found sitting on rocks and branches in the spray of cascades. By day, they were found in crevices and under rocks behind small cascades. [2]

Sarcohyla siopela used to be abundant, but, as of 2010, had not been seen for more 10 years, in spite of surveys in suitable habitats in the area of the type locality. The specific stream from where it was first found has dried up because the water has been diverted elsewhere. Its apparent disappearance from the remaining suitable habitat suggests that chytridiomycosis might also be at play. The range is within the Cofre de Perote National Park. [1]

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<i>Triprion spatulatus</i> Species of frog

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<i>Sarcohyla</i> Genus of amphibians

Sarcohyla is a genus of frogs in the family Hylidae. It is endemic to Mexico and is found in the montane parts of the country between Durango in the north and Guerrero in the south. These frogs typically occur in pristine habitats along streams in pine-oak woodland at elevations between 1,500 and 3,100 m above sea level. The generic name is derived from the Greek sarkodes meaning "fleshy" in combination with Hylas and refers to the thick, glandular skin characteristic of most of the species in the genus.

<i>Rheohyla</i> Genus of amphibians

Rheohyla is a genus of frogs in the family Hylidae. As currently recognized, it is monotypic, containing only Rheohyla miotympanum, also known as the small-eared hyla or small-eared treefrog. However, the nominal species likely is a complex of more than one species. It is endemic to eastern and central Mexico. The generic name refers to streams, the breeding habitat of this frog. The specific name is derived from Greek meion, a diminutive prefix, together with Greek tympanon (='drum') and refers to the small tympanum.

References

  1. 1 2 3 4 5 IUCN SSC Amphibian Specialist Group (2020). "Sarcohyla siopela". IUCN Red List of Threatened Species . 2020: e.T55658A53958108. doi: 10.2305/IUCN.UK.2020-3.RLTS.T55658A53958108.en . Retrieved 17 November 2021.
  2. 1 2 3 4 Duellman, William E. (1968). "Descriptions of new hylid frogs from Mexico and Central America". University of Kansas Publications, Museum of Natural History. 17: 559–578. doi: 10.5962/bhl.part.7138 .
  3. Frost, Darrel R. (2016). "Sarcohyla siopela (Duellman, 1968)". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 18 December 2016.