Phrynobatrachus krefftii

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Phrynobatrachus krefftii
Conservation status
Endangered (IUCN 3.1)^[1]
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Amphibia
Order:	Anura
Family:	Phrynobatrachidae
Genus:	Phrynobatrachus
Species:	P. krefftii
Binomial name
*Phrynobatrachus krefftii* Boulenger, 1909
Synonyms^[2]
Phrynobatrachus (Natalobatrachus) krefftii – Laurent, 1941

Phrynobatrachus krefftii is a species of frog in the family Phrynobatrachidae. It is endemic to the Usambara Mountains in Tanzania, including both the West and East Usambaras and the Magrotto ridge.^[1]^[2] The specific name krefftii honours Paul Krefft, a German herpetologist and physician who made several expeditions to Africa.^[3] Common names Krefft's river frog and Krefft's puddle frog have been coined for it.^[2]^[4]^[3]

Description

Phrynobatrachus krefftii is a relatively large Phrynobatrachus measuring 36–41 mm (1.4–1.6 in) in snout–vent length. The tympanum is distinct. The finger and toe tips bear strongly developed discs. The toe webbing is extensive. The dorsum is brown or olive and has darker spots. Males in breeding conditions portray a sharply projecting snout, thickened nuptial pad on the first toe, bright yellow throat, and lower jaw outlined by a dark stripe. Females and juveniles have white or greenish throat.^[4]

Habitat and conservation

Phrynobatrachus krefftii typically occur in montane and submontane forests and streams at elevations of 280–1,500 m (920–4,920 ft) above sea level. They tolerate a mild degree of habitat degradation.^[1] They are diurnal^[4] and breed in damp and moist areas by streams. The egg masses are laid above the water, attached to rocks or vegetation.^[1]

This species is locally common. It is very likely to suffer from forest loss and degradation that occurs within its range, particularly outside protected areas. It occurs, however, in several protected areas, including the relatively well-protected Amani and Nilo Nature Reserves.^[1]

References

^ ^a ^b ^c ^d ^e IUCN SSC Amphibian Specialist Group (2013). "Phrynobatrachus krefftii". IUCN Red List of Threatened Species. 2013: e.T58122A17192247. doi:10.2305/IUCN.UK.2013-2.RLTS.T58122A17192247.en. Retrieved 15 November 2021.
^ ^a ^b ^c Frost, Darrel R. (2018). "Phrynobatrachus krefftii Boulenger, 1909". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 9 December 2018.
^ ^a ^b Beolens, Bo; Watkins, Michael & Grayson, Michael (2013). The Eponym Dictionary of Amphibians. Pelagic Publishing. p. 116. ISBN 978-1-907807-42-8.
^ ^a ^b ^c Zimkus, Breda (2014). "Phrynobatrachus krefftii Boulenger, 1909". African Amphibians. Retrieved 9 December 2018.

Taxon identifiers
Phrynobatrachus krefftii	Wikidata: Q2699880 Wikispecies: Phrynobatrachus krefftii AmphibiaWeb: 3783 ARKive: phrynobatrachus-krefftii ASW: Phrynobatrachus-krefftii CoL: 4GW9N EoL: 1019263 GBIF: 2430192 iNaturalist: 25376 IRMNG: 11211550 ITIS: 664806 IUCN: 58122 NCBI: 333691 Open Tree of Life: 664226

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