Aplastodiscus albosignatus

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Aplastodiscus albosignatus
Aplastodiscus albosignatus02.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Hylidae
Genus: Aplastodiscus
Species:
A. albosignatus
Binomial name
Aplastodiscus albosignatus
(A. Lutz & B. Lutz, 1938)
Synonyms
  • Aplastodiscus callipygius(Cruz & Peixoto, 1984)

Aplastodiscus albosignatus, also known as the Bocaina treefrog, is a species of frog in the family Hylidae. It is endemic to Brazil. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical moist montane forests, and rivers. It is threatened by habitat loss.

Description

The Bocaina treefrog can grow to a snout-to-vent length of about 5 cm (2.0 in). It has a broad head and pointed snout, and vomerine teeth situated on the roof of its mouth. The large, bulging eyes have golden irises with a horizontal slit pupil, and the tympanum is easily discernible. There is a single vocal sac in the throat. Not only is the general colour of this frog green, but its muscles and bones are green, as well. [2] Several species of closely related tree frogs inhabit the Brazilian forest habitat. The Bocaina treefrog has distinctive, large granulations in the region of its cloacal vent, which helps to distinguish it from other species. Its tadpoles are also distinctive. [3]

Distribution

The Bocaina treefrog is an arboreal species known from the mountainous parts of south-eastern Brazil at up to 1,800 metres (5,900 ft) above sea level. Much of its range is in national parks, such as the Serra da Bocaina National Park, from where it was first described. Its habitat is in both virgin forests and old secondary growth forests near mountain streams. It does not generally occur in agricultural areas or near human settlements. [2]

Reproduction

Breeding takes place between September and February. The male calls at night from among rocks or from the banks of streams in forests. The eggs are laid in underground nests in the muddy bank, and the developing tadpoles live on the bottom of the stream. They undergo metamorphosis when about 21 mm (0.83 in) long. [2]

Status

Aplastodiscus albosignatus is listed as being of Least Concern in the IUCN Red List of Threatened Species, and is a common species within its range. The population seems to be declining, but not at a sufficiently fast rate to warrant a higher threat categorization. [4]

Related Research Articles

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The canebrake tree frogs are a frog genus Aplastodiscus. They are in the family Hylidae. Residing primarily in southeast regions of Brazil near the Atlantic coast. The exception is the Aplastodiscus perviridis which is found mostly in Brazil, but has also been documented being in Argentina, and might reside in Paraguay. The major revision of the Hylidae genus expanded it to include 12 more species originally from Hyla. Before the revision there were only 2 species. There are currently 16 described species with the most recent addition Aplastodiscus heterophonicus being described in 2021.

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<i>Aplastodiscus leucopygius</i> Species of frog

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

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Ischnocnema venancioi is a species of frog in the family Brachycephalidae. It is endemic to Brazil. Its natural habitats are subtropical or tropical moist lowland forest and subtropical or tropical moist montane forest. It is threatened by habitat loss.

Phasmahyla cruzi is a species of frog in the subfamily Phyllomedusinae. It is endemic to Brazil and solely known from the vicinity of its type locality, Rio das Pedras Reserve in the municipality of Mangaratiba, Rio de Janeiro state. The range extends into the adjacent Paraty municipality. This species is named for Carlos Alberto Gonçalves da Cruz, Brazilian herpetologist. The common name Mangaratiba tree frog has been proposed for it.

References

  1. ↑ Carlos Alberto Gonçalves da Cruz, Ana Maria Telles, Sergio Potsch de Carvalho-e-Silva (2004). "Aplastodiscus albosignatus". IUCN Red List of Threatened Species . 2004: e.T55380A11287680. doi: 10.2305/IUCN.UK.2004.RLTS.T55380A11287680.en . Retrieved 12 November 2021.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  2. 1 2 3 Provete, Diogo Borges (2009-01-27). "Aplastodiscus callipygius". AmphibiaWeb. Retrieved 2012-10-21.
  3. ↑ Ednei de Almeida Mercês; Flora Acuña Juncá (2010). "Girinos de três espécies de Aplastodiscus Lutz, 1950 (Anura - Hylidae) ocorrentes no Estado da Bahia, Brasil". Biota Neotropica (in Portuguese). 10 (4): 167–172. doi: 10.1590/S1676-06032010000400022 .
  4. ↑ Sergio Potsch de Carvalho-e-Silva, Carlos Alberto Gonçalves da Cruz (2010). "Aplastodiscus callipygius". IUCN Red List of Threatened Species . 2010: e.T55429A11309914. doi: 10.2305/IUCN.UK.2010-2.RLTS.T55429A11309914.en . Retrieved 12 November 2021.
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