Rheohyla

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Rheohyla
Rheohyla miotympanum, WLF 2706 (A) 16 Sept 2009.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Hylidae
Subfamily: Hylinae
Genus: Rheohyla
Duellman  [ fr ], Marion, and Hedges, 2016 [2]
Species:
R. miotympanum
Binomial name
Rheohyla miotympanum
(Cope, 1863)
Synonyms [3]
  • Hyla miotympanum Cope, 1863 (type species)
  • Hyla microtis Peters, 1870 "1869"
  • Hyla darlingi Smith, Smith, and Werler, 1952
  • Ecnomiohyla miotympanum (Cope, 1863)

Rheohyla is a genus of frogs in the family Hylidae. As currently recognized, it is monotypic, containing only Rheohyla miotympanum, [4] also known as the small-eared hyla or small-eared treefrog. [1] [3] However, the nominal species likely is a complex of more than one species. [1] [5] It is endemic to eastern and central Mexico. [1] [3] The generic name refers to streams, the breeding habitat of this frog (from Greek rheos meaning 'stream' combined with Hylas ). [2] The specific name is derived from Greek meion, a diminutive prefix, together with Greek tympanon (='drum') and refers to the small tympanum. [6]

Contents

Taxonomy

This genus was erected in 2016 to accommodate former Ecnomiohyla miotympanum; [2] AmphibiaWeb still uses this earlier classification. [7] Faivovich and colleagues argued in 2018 that splitting Rheohyla miotympanum from Ecnomiohyla was not necessary on the grounds of obtaining monophyletic Ecnomiohyla, but is nevertheless convenient because it allows associating Ecnomiohyla with several putative phenotypic synapomorphies, which Rheohyla miotympanum lacks. There is no phenotypic autapomorphy defining Rheohyla. [5]

Description

Males can grow up to 38 mm (1.5 in) [6] [8] and females to 51 mm (2.0 in) in snout–vent length. [2] [6] The tympanum is distinct but dorsally obscured by the well-develop supratympanic fold. [6] The fingers are about one-third webbed while the toes are about three-fourths webbed. Dorsal skin is smooth. [2] [6] Coloration is dorsally pale green and ventrally creamy white. [6] The tadpoles have a relatively small oral disc. [5]

Habitat and conservation

Rheohyla miotympanum inhabits a variety of habitats and vegetation zones in the Sierra Madre Oriental, Sierra Madre de Oaxaca, and Sierra de los Tuxtlas at elevations of 350–2,000 m (1,150–6,560 ft) above sea level. It is often associated with bromeliads or elephant-ear plants, but can also be found on the ground, in bushes, or on small plants. Reproduction takes place in streams and ponds, [1] in contrast to Ecnomiohyla that breed in tree holes and Charadrahyla , Plectrohyla , and Sarcohyla that breed in cascading streams. [2] Amplexus between Rheohyla miotympanum and Charadrahyla taeniopus has nevertheless been observed. [8]

Rheohyla miotympanum is a fairly common species. Although the overall population is estimated to be stable, this species is facing some threats, most importantly habitat loss and degradation caused by small-scale agricultural development and logging. Other potential threats are collecting for human consumption, pet trade, chytridiomycosis, and pesticides. Its range includes several protected areas. [1]

Related Research Articles

<span class="mw-page-title-main">Hylidae</span> Family of frogs

Hylidae is a wide-ranging family of frogs commonly referred to as "tree frogs and their allies". However, the hylids include a diversity of frog species, many of which do not live in trees, but are terrestrial or semiaquatic.

<i>Scinax</i> Genus of amphibians

Scinax is a genus of frogs in the family Hylidae found in eastern and southern Mexico to Argentina and Uruguay, Trinidad and Tobago, and Saint Lucia. These are small to moderate-sized tree frogs, drably colored. Duellman and Wiens resurrected this genus in 1992. The name originates from the Greek word skinos, meaning quick or nimble.

<span class="mw-page-title-main">Spikethumb frog</span> Genus of amphibians

Spikethumb frogs are a genus (Plectrohyla) of frogs in the family Hylidae found in Central America from southern Mexico through Guatemala and northern El Salvador to central and northern Honduras. A major revision of the Hylidae moved an additional 21 species to this genus from the genus Hyla. The additional species moved to Plectrohyla were identified as the Hyla bistincta group, also called the Plectrohyla bistincta group; a separate group from the initial Plectrohyla guatemalensis group. This phylogenetic classification was later revised by moving the Plectrohyla bistincta group from the genus Plectrohyla into a new genus called Sarcohyla. Meanwhile, the guatemalensis group remained in Plectrohyla. They are called spikethumb because of the spike on their thumbs, which is called a prepollex. The genus name comes from the Greek word plēktron ("spur") and hyla.

<i>Cryptobatrachus</i> Genus of amphibians

Cryptobatrachus is a genus of frogs in the family Hemiphractidae. They are found in Colombia and Venezuela. They are also known as backpack frogs, as the females have the habit of carrying their egg clutch on their backs until the young hatch; this behavior also occurs in the related hemiphractid genera Hemiphractus and Stefania.

<i>Charadrahyla</i> Genus of amphibians

Charadrahyla is a genus of frogs in the family Hylidae. It is endemic to tropical southern Mexico. The generic name was derived from Greek charadra ("ravine") and Hyla, in reference to the habits of these frogs. Accordingly, common name ravine treefrogs has been coined for the genus.

Megastomatohyla is a genus of frogs in the family Hylidae. They are endemic to the cloud forests of central Veracruz and Oaxaca, Mexico. All are rare species with restricted distributions. The generic name is derived from Greek mega (="large") and stem of the genitive stomatos (="mouth"), referring to the enlarged oral disc of the tadpoles, juxtaposed with Hyla, the genus in which the four Megastomatohyla species were previously placed. Common name large-mouthed treefrogs has been coined for this genus.

<i>Tlalocohyla</i> Genus of amphibians

Tlalocohyla is a genus of frogs in the family Hylidae, also known as rain treefrogs or Middle American yellow-bellied treefrogs. They occur in Middle America between Mexico and Costa Rica. This genus was created in 2005 following a major revision of the Hylidae. The five species in this genus were previously placed in the genus Hyla.

<i>Ecnomiohyla</i> Genus of amphibians

Ecnomiohyla, commonly known as fringe-limbed treefrogs or marvelous frogs, is a genus of frogs in the family Hylidae. This genus was erected in 2005 following a major revision of Hylidae. The ten original species in this genus were previously placed in the genus Hyla. The generic name Ecnomiohyla comes from Greek ecnomios and Hylas, the companion of Hercules.

Dendropsophus aperomeus is a species of frog in the family Hylidae. It is endemic to Peru and occurs on the Amazonian slopes of the Andes in northern and central Peru. Common name Balzapata treefrog has been coined for it.

Ecnomiohyla thysanota, also known as Cerro Mali treefrog, is a species of frog in the family Hylidae. It is endemic to Panama where it is known from its type locality, Cerro Malí in eastern Serranía de Darién, near the border to Colombia, where it might also occur. This arboreal species is only known from a single specimen, the holotype.

Charadrahyla pinorum is a species of frog in the family Hylidae. It is endemic to the Pacific slopes of Sierra Madre del Sur between central Guerrero and southwestern and central Oaxaca, Mexico. Common names pine wood treefrog and Mexican pine woods treefrog have been proposed for it. Its closest relative is probably Charadrahyla juanitae.

Hyloscirtus chlorosteus is a species of frog in the family Hylidae. It is endemic to Bolivia and only known from the holotype collected in 1979 from Parjacti (=Paracti), on the eastern slopes of the Andes in the Cochabamba Department. The specific name refers to the green bones of this frog. Common name Parjacti treefrog has been coined for it.

Nyctimystes perimetri, also known as the archipelago big-eyed treefrog, is a species of frog in the subfamily Pelodryadinae of the family Hylidae. It is endemic to Papua New Guinea and currently only known from the Louisiade Archipelago, although it might also occur in the Owen Stanley Range of the mainland Papua New Guinea. It has also been suggested that the Rossel Island population might represent a distinct species.

<i>Pithecopus rohdei</i> Species of frog

Pithecopus rohdei, also known as Rohde's leaf frog, Rohde's frog, and Mertens' leaf frog, is a species of frog in the subfamily Phyllomedusinae. The species was previously placed in the genus Phyllomedusa. The species is endemic to southeastern Brazil and occurs at elevations up to 1000 meters above sea level.

<i>Scarthyla</i> Genus of frogs

Scarthyla is a genus of tree frogs, the family Hylidae. They are found in the upper Amazon Basin of Bolivia, Peru, and Brazil and northward through Colombia and Venezuela to the Caribbean lowlands. They are sometimes known as Madre de Dios treefrogs and South American aquatic treefrogs. They are semiaquatic.

<span class="mw-page-title-main">Hylinae</span> Subfamily of amphibians

Hylinae is a large subfamily of "tree frogs", family Hylidae.

<span class="mw-page-title-main">Dendropsophini</span> Subfamily of amphibians

Dendropsophini is a tribe of small neotropical tree frogs in the subfamily Hylinae. They are distributed from southern Mexico, throughout Central America, and down South America to northern Argentina and Uruguay. Removed from the synonymy of Hylinae in 2016, this taxon was formerly considered its own subfamily before being reclassified as a tribe. As defined by Favovich et al. in 2005, the tribe Dendrosophini contains the members of three former subfamilies within the Hylidae prior to taxonomic rearrangement: Dendropsophinae, Pseudinae, and Scinaxinae.

<i>Pithecopus</i> Genus of amphibians

Pithecopus is a genus of frogs in the subfamily Phyllomedusinae. Species of the genus Pithecopus are found in tropical South America east of the Andes, from southern Venezuela to northern Argentina. Resurrected from the synonymy of Phyllomedusa in 2016, it corresponds to the former Phyllomedusa hypochondrialis group. Its sister group is Callimedusa.

<i>Atlantihyla</i> Genus of amphibians

Atlantihyla is a genus of frogs in the family Hylidae. It is endemic to Central America, specifically to Honduras and Guatemala. The generic name refers to its distribution on the Atlantic side of the isthmus. The members of the genus are known as stream frogs.

<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.

References

  1. 1 2 3 4 5 6 IUCN SSC Amphibian Specialist Group (2020). "Rheohyla miotympanum". IUCN Red List of Threatened Species . 2020: e.T55566A3030964. doi: 10.2305/IUCN.UK.2020-3.RLTS.T55566A3030964.en . Retrieved 20 November 2021.
  2. 1 2 3 4 5 6 Duellman, William E.; Marion, Angela B. & Hedges, S. Blair (2016). "Phylogenetics, classification, and biogeography of the treefrogs (Amphibia: Anura: Arboranae)". Zootaxa. 4104 (1): 1–109. doi:10.11646/zootaxa.4104.1.1.
  3. 1 2 3 Frost, Darrel R. (2020). "Rheohyla miotympanum (Cope, 1863)". Amphibian Species of the World: An Online Reference. Version 6.1. American Museum of Natural History. doi:10.5531/db.vz.0001 . Retrieved 25 December 2020.
  4. Frost, Darrel R. (2020). "Rheohyla Duellman, Marion, and Hedges, 2016". Amphibian Species of the World: An Online Reference. Version 6.1. American Museum of Natural History. doi:10.5531/db.vz.0001 . Retrieved 25 December 2020.
  5. 1 2 3 Faivovich, Julián; Pereyra, Martín O.; Luna, María Celeste; Hertz, Andreas; Blotto, Boris L.; Vásquez-Almazán, Carlos R.; McCranie, James R.; Sánchez, David A.; Baêta, Délio; Araujo-Vieira, Katyuscia; Köhler, Gunther; Kubicki, Brian; Campbell, Jonathan A.; Frost, Darrel R.; Wheeler, Ward C. & Haddad, Célio F.B. (2018). "On the monophyly and relationships of several genera of Hylini (Anura: Hylidae: Hylinae), with comments on recent taxonomic changes in hylids". South American Journal of Herpetology. 13 (1): 1–32. doi:10.2994/sajh-d-17-00115.1. hdl: 11336/94370 .
  6. 1 2 3 4 5 6 Duellman, W. E. (1970). The hylid frogs of Middle America. Monograph of the Museum of Natural History, University of Kansas. Vol. 1. 1–753. doi:10.5962/bhl.title.2835. (Hyla miotympanum: p. 372–380)
  7. "Hylidae". AmphibiaWeb. University of California, Berkeley. 2020. Retrieved 25 December 2020.
  8. 1 2 Luría Manzano, Ricardo & Vázquez Corzas, Flor Gabriela (2011). "Ecnomiohyla miotympanum (small-eared treefrog) and Charadrahyla taeniopus (porthole treefrog). Reproductive behavior" (PDF). Herpetological Review. 42 (1): 84.