''Mantophryne louisiadensis'' is a species of

frog A frog is any member of a diverse and largely Carnivore, carnivorous group of short-bodied, tailless amphibians composing the order (biology), order Anura (ανοὐρά, literally ''without tail'' in Ancient Greek). The oldest fossil "proto-f ...

in the family

Microhylidae The Microhylidae, commonly known as narrow-mouthed frogs, are a geographically widespread family of frogs. The 683 species are in 63 genera and 11 subfamilies, which is the largest number of genera of any frog family. Evolution A molecular phylo ...

. It is

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...

Rossel Island Rossel Island (named after de Rossel, a senior officer on the French expedition of d'Entrecasteaux, 1791-1793; also known as Yela) is the easternmost island of the Louisiade Archipelago, within the Milne Bay Province of Papua New Guinea. Tree Isle ...

, a part of the

Louisiade Archipelago The Louisiade Archipelago is a string of ten larger volcanic islands frequently fringed by coral reefs, and 90 smaller coral islands in Papua New Guinea. It is located 200 km southeast of New Guinea, stretching over more than and spread ...

in the

Milne Bay Province Milne Bay is a province of Papua New Guinea. Its capital is Alotau. The province covers 14,345 km² of land and 252,990 km² of sea, within the province there are more than 600 islands, about 160 of which are inhabited. The province has a ...

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 ...

. Common name Louisiade archipelago frog has been proposed for this species. '' Mantophryne axanthogaster'' from the neighboring Sudest Island was formerly included in it.

Description

Adult males measure and adult females in snout–vent length. The head is relatively wide. The dorsum is uniform brown or gray. The

ventral Standard anatomical terms of location are used to unambiguously describe the anatomy of animals, including humans. The terms, typically derived from Latin or Greek language, Greek roots, describe something in its standard anatomical position. Th ...

side is bright yellow or orange-yellow.

Habitat and conservation

''Mantophryne louisiadensis'' occurs in lowland rainforest and

cloud forest A cloud forest, also called a water forest, primas forest, or tropical montane cloud forest (TMCF), is a generally tropical or subtropical, evergreen, montane, moist forest characterized by a persistent, frequent or seasonal low-level cloud c ...

at elevations below . There are no recent observations of this species, but it does not appear to be facing major threats. Suitable habitat appears to be plentiful as Rossel Island is very largely covered by primary or slightly disturbed rainforest and this species ranges across the entire altitudinal range of the island. It is not known to occur in any protected area.

Notes

References

{{Taxonbar, from=Q2242021 louisiadensis Amphibians of Papua New Guinea Endemic fauna of Papua New Guinea Taxa named by Hampton Wildman Parker Amphibians described in 1934 Taxonomy articles created by Polbot