''Papurana kreffti'' is a

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

true frog True frogs is the common name for the frog family Ranidae. They have the widest distribution of any frog family. They are abundant throughout most of the world, occurring on all continents except Antarctica. The true frogs are present in North A ...

, family Ranidae. It is native to New Ireland and

Buka Island Buka Island is the second-largest island in the Autonomous Region of Bougainville, in eastern Papua New Guinea. It is in Buka Rural LLG of North Bougainville District, with the Autonomous Region's and district's capital city of Buka, Bougain ...

(

Papua New Guinea Papua New Guinea (abbreviated PNG; , ; tpi, Papua Niugini; ho, Papua Niu Gini), officially the Independent State of Papua New Guinea ( tpi, Independen Stet bilong Papua Niugini; ho, Independen Stet bilong Papua Niu Gini), is a country i ...

) and the

Solomon Islands Solomon Islands is an island country consisting of six major islands and over 900 smaller islands in Oceania, to the east of Papua New Guinea and north-west of Vanuatu. It has a land area of , and a population of approx. 700,000. Its capita ...

. The specific name ''kreffti'' honours

Gerard Krefft Johann Ludwig (Louis) Gerard Krefft (17 February 1830 – 19 February 1881), a talented artist and draughtsman, and the Curator of the Australian Museum for 13 years (1861-1874), was one of Australia's first and most influential zoologists and ...

, a German adventurer who settled in Australia and became there to be regarded as the father of Australian herpetology. Common names San Cristoval frog and San Cristobal treefrog have been coined for it.

Description

Males grow to in snout–vent length, but are generally closer to . Females grow to at least in snout–vent length. The snout is pointed. The tympanum is visible but moderate in size. The fingers are long and have oval or slightly pointed discs but no webbing. The toes are almost fully webbed and moderately sized, oval discs. The legs are relatively short. There is a conspicuous, cream-coloured labial stripe. The male advertisement call sounds like a series of short squeaks and consists of 3–6 pulsed notes.

Habitat and conservation

''Papurana kreffti'' is a common species in many areas and found inhabiting small, slow-flowing streams in lowland rainforest; it has also been recorded from wet grassy areas in disturbed habitats.

References

{{Taxonbar, from=Q4674051 kreffti Amphibians of Papua New Guinea Amphibians of the Solomon Islands Amphibians described in 1882 Taxa named by George Albert Boulenger