Raorchestes luteolus

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Coorg yellow bush frog
Raorchestes luteolus -Agumbe.jpg
Male R. luteolus at Agumbe and call recorded at Coorg, Karnataka
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Rhacophoridae
Genus: Raorchestes
Species:
R. luteolus
Binomial name
Raorchestes luteolus
(Kuramoto and Joshy, 2003)
Synonyms

Philautus neelanethrusKuramoto and Joshy, 2003
Philautus neelanethrusGururaja, Aravind, Ali, Ramachandra, Velavan, Krishnakumar, and Aggarwal, 2007

Contents

Raorchestes luteolus (sometimes known as Coorg yellow bush frog) is a species of frog in the family Rhacophoridae. It is endemic to the Western Ghats, India, where it is only known from the state of Karnataka. Many of the known populations are from the Kodagu district, known also by its anglicised former name of Coorg—hence the common name. It is also known from the Shimoga district in the Sharavathi basin where it was described as a new species, Philautus neelanethrus, but this is now considered to be a junior synonym of Raorchestes luteolus. [2] [3]

Description

Raorchestes luteolus is a small frog, males measuring 24–29 mm (0.94–1.14 in) in snout-vent length. Its colour is variable. The dominant colour form is yellowish brown with light-brownish lines or light-yellowish with discontinuous light-brown lines, but some individuals may be almost golden yellow with only faint spots. The iris is light brown encircled with a bluish green outer ring. [3]

Raorchestes luteolus is a close relative of Raorchestes travancoricus with which it can be confused. The distinguishing characters are its medium size (mean adult male snout-vent length 26.8 mm), pointed snout, rounded canthus, yellow or yellowish brown dorsum with dark brown spots and faint discontinuous lines, and loreal and golden yellow or yellowish brown tympanic regions. [3]

Habitat

Raorchestes luteolus are most commonly found in disturbed habitats, near coffee plantations adjacent to primary forests and waysides. [3] In Sharavathi it was also found from Myristica swamps. [4] This frog has been observed between 500 and 1250 meters above sea lelve. [5] [2]

Behaviour

Raorchestes luteolus are often found on leaves or stems of shrubs about one metre above the ground. Male frogs start calling at dusk, first under the leaf litter and then ascending to the vegetation. Call characteristics may differ between populations; in particular, between the Sharavathi frogs described as Philautus neelanethrus and the nominal Raorchestes luteolus. [4]

Life cycle

The life cycle of Raorchestes luteolus is not known in any detail, but the observation of a pair in amplexus away from water suggests that it has direct development, [4] as is typical for the genus Raorchestes . [6]

Related Research Articles

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<i>Raorchestes travancoricus</i> Species of frog

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<i>Raorchestes dubois</i> Species of frog

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<i>Raorchestes coonoorensis</i> Species of amphibian

Raorchestes coonoorensis, also known as the Coonore bushfrog or Coonoor bush frog, is a species of frogs endemic to the Western Ghats, India. It is reported from its type locality, Sim's Park in Coonoor, with an additional observation from Kothagiri; both locations are in the state of Tamil Nadu. Its altitudinal range is 1,780–1,850 m (5,840–6,070 ft) asl.

<i>Raorchestes jayarami</i> Species of frog

Raorchestes jayarami, also known as Jayaram's bush frog, is a species of frog from the subfamily rhacophoridae found in Valparai in the Western Ghats of Tamil Nadu in India, where it has been observed between 600 and 1800 meters above sea level.

References

  1. ↑ "Raorchestes luteolus". IUCN Red List of Threatened Species . 2022: e.T88976304A166156778. 2022. Retrieved 26 December 2022.
  2. 1 2 Frost, Darrel R. (2013). "Raorchestes luteolus (Kuramoto and Joshy, 2003)". Amphibian Species of the World 5.6, an Online Reference. American Museum of Natural History. Retrieved 8 November 2013.
  3. 1 2 3 4 Biju, S. D.; Bossuyt, F. (2009). "Systematics and phylogeny of Philautus Gistel, 1848 (Anura, Rhacophoridae) in the Western Ghats of India, with descriptions of 12 new species". Zoological Journal of the Linnean Society. 155 (2): 374–444. doi: 10.1111/j.1096-3642.2008.00466.x .
  4. 1 2 3 Gururaja, KV; Aravind NA; Ali S; Ramachandra TV; Velavan TP; Krishnakumar V; Aggarwal RK (2007). "A new frog species from the central Western Ghats of India, and its phylogenetic position". Zoological Science. 24 (5): 525–534. doi:10.2108/zsj.24.525. PMID   17867853. S2CID   14673032.
  5. ↑ Kellie Whittaker (22 June 2010). Kellie Whittaker; Michelle S. Koo (eds.). "Raorchestes luteolus (Kuramoto and Joshy, 2003)". AmphibiaWeb. University of California, Berkeley. Retrieved 24 August 2023.
  6. ↑ Biju, S. D.; Yogesh Shouche; Alain Dubois; S. K. Dutta; Franky Bossuyt (2010). "A ground-dwelling rhacophorid frog from the highest mountain peak of the Western Ghats of India" (PDF). Current Science. 98 (8): 1119–1125.
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