Pristimantis euphronides

Pristimantis euphronides is a species of frog in the family Strabomantidae. It is endemic to Grenada, an island in the Lesser Antilles, the Caribbean.[1][2] Is sometimes known as the Grenada frog.[4] It was originally described[3] as a subspecies of Eleutherodactylus urichi (=Pristimantis urichi), but since 1994 it has been recognized as a full species.[2][5]

Pristimantis euphronides
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Strabomantidae
Genus: Pristimantis
Species:
P. euphronides
Binomial name
Pristimantis euphronides
(Schwartz, 1967)
Synonyms[2]
  • Eleutherodactylus urichi euphronides Schwartz, 1967[3]
  • Eleutherodactylus euphronides Schwartz, 1967

Description

Adult males measure 18–27 mm (0.7–1.1 in) and adult females 19–39 mm (0.7–1.5 in) in snout–vent length. The snout is rounded. The tympanum is distinct. Males have a subgular vocal sac.[5]

Pristimantis euphronides has a dark brown dorsal surface, and a cream-colored ventral surface, with orange tinting on the rear of its thighs. Its lips are mottled, and its upper iris is bronze. A dark supra-tympanic stripe runs from the corner of its eye to its armpit.[5]

Males call around dusk, usually from high perches. Females are usually seen near the ground.[5][6]

Distribution and habitat

Distribution of Pristimantis euphronides is limited to central and southeast Grenada at elevations between 300 and 840 m (980 and 2,760 ft) above sea level. Its natural habitats are rainforests as well as forest edges and montane meadows surrounded by agriculture. The eggs are deposited on the ground and have direct development (i.e., there is no free-living larval stage[7]).[1]

Pristimantis euphronides is moderately common in suitable habitat, but its range is small. Moreover, it is threatened by habitat loss primarily caused by urbanization and tourism development, but also by agriculture. The invasive Eleutherodactylus johnstonei represents a potential threat. This species is found in the Grand Etang Forest Reserve.[1]

References
  1. IUCN SSC Amphibian Specialist Group (2021). "Pristimantis euphronides". IUCN Red List of Threatened Species. 2021: e.T56593A3043096. doi:10.2305/IUCN.UK.2021-1.RLTS.T56593A3043096.en. Retrieved 15 November 2021.
  2. Frost, Darrel R. (2022). "Pristimantis euphronides (Schwartz, 1967)". Amphibian Species of the World: An Online Reference. Version 6.1. American Museum of Natural History. Retrieved 20 October 2022.
  3. Schwartz, Albert (1967). "Frogs of the genus Eleutherodactylus in the Lesser Antilles". Studies on the Fauna of Curaçao and other Caribbean Islands. 24 (91): 1–62. [Eleutherodactylus urichi euphronides: p. 6–13]
  4. Hedges, S. Blair (2015). "Grenada". Caribherp: Amphibians and reptiles of Caribbean Islands. Retrieved 14 May 2019.
  5. Kaiser, Hinrich; Hardy, Jerry D. & Green, David M. (1994). "Taxonomic status of Caribbean and South American frogs currently ascribed to Eleutherodactylus urichi (Anura: Leptodactylidae)". Copeia. 1994 (3): 780–796. doi:10.2307/1447195. JSTOR 1447195.
  6. Malhotra, Anita & Thorpe, Roger S. (1999), Reptiles & Amphibians of the Eastern Caribbean, Macmillan Education Ltd., pp. 105–106, ISBN 0-333-69141-5
  7. Vitt, Laurie J. & Caldwell, Janalee P. (2014). Herpetology: An Introductory Biology of Amphibians and Reptiles (4th ed.). Academic Press. p. 166.
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