Cardioglossa trifasciata

Cardioglossa trifasciata is a species of frog in the family Arthroleptidae. It is endemic to western Cameroon and only known from the southern slopes of Mount Manengouba.[1][2] Common name Nsoung long-fingered frog has been coined for it.[2]

Cardioglossa trifasciata
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Arthroleptidae
Genus: Cardioglossa
Species:
C. trifasciata
Binomial name
Cardioglossa trifasciata
Amiet, 1972

Description

Males measure 24–31 mm (0.9–1.2 in) and females 30–41 mm (1.2–1.6 in) in snout–vent length.[3] Males have extremely long third fingers and spines in the fingers and in the groin; females lack these characteristics.[4] Dorsal markings typical for the genus Cardioglossa are present,[3] whereas the white line running under the tympanum is absent.[5]

Cardioglossa trifasciata is only known from Mount Manengouba, Cameroon

Habitat and conservation

Cardioglossa trifasciata occurs in dense secondary bush and montane forest at elevations of 1,750–2,000 m (5,740–6,560 ft) above sea level; it has not been recorded from primary forest because no such habitat remains. Individuals have been found in and around a small stream, hiding under large rocks and small stones. Breeding probably takes place in the stream.[1]

Cardioglossa trifasciata occurs in an area that is well surveyed. There is no good quantitative data on its abundance, but it is believed to be declining. The species is threatened by habitat loss caused by agricultural encroachment (including plantations of tree crops), expanding human settlements, and extraction of wood for firewood and building materials. It is not known from any protected area. Suitable habitat might exist on the Rumpi Hills, a site relatively close to Mount Manengouba. However, the area has not been well investigated in recent years, and it is not known whether the species might be found in the Rumpi Hills.[1]

References
  1. IUCN SSC Amphibian Specialist Group (2014). "Cardioglossa trifasciata". IUCN Red List of Threatened Species. 2014: e.T54410A16866334. doi:10.2305/IUCN.UK.2014-3.RLTS.T54410A16866334.en.
  2. Frost, Darrel R. (2018). "Cardioglossa trifasciata Amiet, 1972". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 12 May 2018.
  3. Hirschfeld, Mareike; Blackburn, David C.; Burger, Marius; Greenbaum, Eli; Zassi-Boulou, Ange-Ghislain & Rödel, Mark-Oliver (2015). "Two new species of long-fingered frogs of the genus Cardioglossa (Anura: Arthroleptidae) from Central African rainforests". African Journal of Herpetology. 64 (2): 81–102. doi:10.1080/21564574.2015.1052102.
  4. Blackburn, David C. (2009). "Diversity and evolution of male secondary sexual characters in African squeakers and long-fingered frogs". Biological Journal of the Linnean Society. 96 (3): 553–573. doi:10.1111/j.1095-8312.2008.01138.x.
  5. Blackburn, David C.; Kosuch, Joachim; Schmitz, Andreas; Burger, Marius; Wagner, Philipp; Gonwouo, L. Nono; Hillers, Annika & Rödel, Mark-Oliver (2008). "A new species of Cardioglossa (Anura: Artholeptidae) from the Upper Guinean forests of West Africa" (PDF). Copeia. 2008 (3): 603–612. doi:10.1643/CH-06-233.
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