Chiasmocleis cordeiroi

Chiasmocleis cordeiroi is a species of frog in the family Microhylidae.[3] It is endemic to Bahia in eastern Brazil. It is known from Camamu, its type locality, and from few other localities on both sides of the De Contas River.[4] The specific name cordeiroi honors Paulo Henrique Chaves Cordeiro, a Brazilian biologist.[2][5] Common name Cordeiro's humming frog has been coined for this species.[5]

Chiasmocleis cordeiroi
Chiasmocleis cordeiroi
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Microhylidae
Genus: Chiasmocleis
Species:
C. cordeiroi
Binomial name
Chiasmocleis cordeiroi
Caramaschi and Pimenta, 2003[2]

Description

The type series consists of two adult males measuring 20–22 mm (0.8–0.9 in) in snout–vent length. The body is ovoid in shape. The snout is short. No tympanum is present. The fingers lack webbing. The hind limbs are robust and the toes have well-developed webbing. Preserved specimens are uniformly dark brown. The lower parts are cream-colored with fine, darker marbling. Males have a small subgular vocal sac.[2]

The male advertisement call consists of multi-pulsed notes produced in series lasting 1.3–27 seconds. Each call has 9–182 notes with dominant frequency of 4500–4898 Hz.[4]

Habitat and conservation

The type series was collected in a temporary pool at 120 m (390 ft) above sea level. The pool was located within tropical forest consisting of a mix of early secondary growth and good cover forest.[1] Another population was found during breeding event in a temporary pond where hundreds of males were heard calling. The pond was located inside a rubber plantation next to an Atlantic Forest fragment.[4]

As of 2004, threats to this species were unknown.[1] One population is found in the Michelin Ecological Reserve, Igrapiúna.[4]

References
  1. Caramaschi, U. & Pimenta, B. (2004). "Chiasmocleis cordeiroi". IUCN Red List of Threatened Species. 2004: e.T57755A11680972. doi:10.2305/IUCN.UK.2004.RLTS.T57755A11680972.en. Retrieved 20 December 2017.
  2. Caramaschi, U. & Pimenta, B. V. S. (2014). "Duas novas espécies de Chiasmocleis Méhelÿ, 1904, da Mata Atlântica do Sul da Bahia, Brasil (Amphibia, Anura, Microhylidae)" [Two new species of Chiasmocleis Méhelÿ, 1904 from the Atlantic Rain Forest of southern Bahia, Brasil (Amphibia, Anura, Microhylidae)]. Arquivos do Museu Nacional, Rio de Janeiro. 61: 195–202.
  3. Frost, Darrel R. (2018). "Chiasmocleis cordeiroi Caramaschi and Pimenta, 2003". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 26 August 2018.
  4. Forlani, Mauricio C.; Mendes, Caio Vinicius de Mira; Dias, Iuri Ribeiro; Ruas, Danilo Silva; Tonini, João Filipe Riva & de Sá, Rafael O. (2013). "The advertisement calls and distribution of two sympatric species of Chiasmocleis (Méhely 1904) (Anura, Microhylidae, Gastrophryninae) from the Atlantic Forest". South American Journal of Herpetology. 8 (1): 46–51. doi:10.2994/sajh-d-12-00027.1. S2CID 85044563.
  5. Beolens, Bo; Watkins, Michael & Grayson, Michael (2013). The Eponym Dictionary of Amphibians. Pelagic Publishing. p. 46. ISBN 978-1-907807-42-8.
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