Allobates undulatus

Allobates undulatus is a species of frog in the family Aromobatidae. It is endemic to Venezuela where it is only know from its type locality, Cerro Yutajé, in the Amazonas state.[2][4] The specific name undulatus refers to the characteristic wavy-edged dorsal marking of this species.[3]

Allobates undulatus
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Aromobatidae
Genus: Allobates
Species:
A. undulatus
Binomial name
Allobates undulatus
(Myers and Donnelly, 2001)
Synonyms[2]

Colostethus undulatus Myers and Donnelly, 2001[3]

Description

Adult males measure 20–22 mm (0.8–0.9 in) and adult females 20–25 mm (0.8–1.0 in) in snout–vent length. The head is little wider than the body. The snout is sloping, rounded in profile and broadly rounded in dorsal and ventral views. The tympanum is rather inconspicuous and is concealed dorsally and posteriorly by a diffuse supratympanic bulge. The fingers have moderately expanded discs. The toes have weakly to moderately expanded discs some basal webbing between the toes (only distinct between toes II–III). The dorsum is orangish brown, with a usually prominent, wavy-edged, darker brown or grayish brown figure. The face mask is black, continuing and widening behind the eye to become a broad lateral stripe. The arms are pale orange. The upper sides of thighs and shanks are brown (or shanks are brown and thighs are orange), with darker brown crossbands; the posterior thigh surface is either brown with an orange suffusion or overall bright orange.[3]

Habitat and conservation

Allobates undulatus is diurnal, terrestrial frog found in mossy gallery forest at an elevation of about 1,750 m (5,740 ft) above sea level. It is a common species within its limited range. The threats to this species are unknown. Its range is within the Formaciones de Tepuyes Natural Monument.[1]

References
  1. IUCN SSC Amphibian Specialist Group (2020). "Allobates undulatus". The IUCN Red List of Threatened Species. 2020: e.T55161A109533899. Retrieved 22 December 2020.
  2. Frost, Darrel R. (2019). "Allobates undulatus (Myers and Donnelly, 2001)". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 20 December 2019.
  3. Myers, Charles W. & Donnelly, Maureen A. (2001). "Herpetofauna of the Yutajé-Corocoro massif, Venezuela: second report from the Robert G. Goelet American Museum-Terramar Expedition to the northwestern tepuis". Bulletin of the American Museum of Natural History. 261: 1–85. doi:10.1206/0003-0090(2001)261<0001:HOTYCM>2.0.CO;2. hdl:2246/1329.
  4. Barrio-Amorós, C. L.; Rojas-Runjaic, F. J. M. & Señaris, J. C. (2019). "Catalogue of the amphibians of Venezuela: Illustrated and annotated species list, distribution, and conservation" (PDF). Amphibian and Reptile Conservation. 13 (Special Section): 1–198.
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