''Fritziana ohausi'' 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

Hemiphractidae The Hemiphractidae are a family (biology), family of frogs from South America, South and Central America. Previously, this group had been classified as a subfamily (Hemiphractinae) under family Hylidae. More recent research classifies these gen ...

. 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 ...

to the mountains of coastal southeastern

Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...

Rio de Janeiro Rio de Janeiro ( , , ; literally 'River of January'), or simply Rio, is the capital of the state of the same name, Brazil's third-most populous state, and the second-most populous city in Brazil, after São Paulo. Listed by the GaWC as a b ...

, Espírito Santo, and São Paulo states. The

specific name Specific name may refer to: * in Database management systems, a system-assigned name that is unique within a particular database In taxonomy, either of these two meanings, each with its own set of rules: * Specific name (botany), the two-part (bino ...

''ohausi'' honors Friedrich Ohaus, a German physicist and herpetologist. Common name Petropolis treefrog has been proposed for this species.

Description

Adult males measure and adult females in

snout–vent length Snout–vent length (SVL) is a morphometric measurement taken in herpetology from the tip of the snout to the most posterior opening of the cloacal slit (vent)."direct line distance from tip of snout to posterior margin of vent" It is the most c ...

. The tympanum is present but is partly hidden and less distinct in females than in males. The fingers have large discs and lateral ridges or fringes but no webbing. The toes have large discs and partially webbed. Dorsal pattern is spotted with variable coloration, including brown, black, and white, or greenish bronze, or yellow brown, or bronzy brown. The belly is gray with cream flecks or transparent with silvery mottling and sparse brown flecks. The throat is clear with dense brown and silvery mottling or similar to the belly. Males have a single internal

vocal sac The vocal sac is the flexible membrane of skin possessed by most male frogs and toads. The purpose of the vocal sac is usually as an amplification of their mating or advertisement call. The presence or development of the vocal sac is one way o ...

Habitat and conservation

''Fritziana ohausi'' occurs in primary forests at elevations of

asl American Sign Language (ASL) is a natural language that serves as the predominant sign language of Deaf communities in the United States of America and most of Anglophone Canada. ASL is a complete and organized visual language that is express ...

. These frogs occur in bamboo clusters or on leaves of low vegetation. The female carries eggs on her back and later deposits the

tadpole A tadpole is the larval stage in the biological life cycle of an amphibian. Most tadpoles are fully aquatic, though some species of amphibians have tadpoles that are terrestrial. Tadpoles have some fish-like features that may not be found i ...

s in bamboo stems. ''Fritziana ohausi'' is a very common species that faces no major threats; it tolerates some habitat disturbance, and can be found anywhere where there are trees and bamboo. It is present in several protected areas.

References

{{Taxonbar, from=Q28047273 ohausi Frogs of South America Amphibians of Brazil Endemic fauna of Brazil Amphibians described in 1907 Taxonomy articles created by Polbot