Atelognathus nitoi

Atelognathus nitoi
Conservation status
Vulnerable  (IUCN 3.1) [1]
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Amphibia
Order:	Anura
Family:	Batrachylidae
Genus:	Atelognathus
Species:	A. nitoi
Binomial name
Atelognathus nitoi (Barrio, 1973)
Synonyms
Telmatobius nitoi Atelognathus ceii Atelognathus jeinimenensis Atelognathus salai

The Portezuelo frog or Rio Negro frog (Atelognathus nitoi) is a species of frog in the family Batrachylidae. It is endemic to Chile and Argentina. ^{[2] [3] [1]}

Habitat

This frog lives in Nothofagus forests near temporary and permanent ponds and areas with high humidity. Scientists observed this frog between 1300 and 1550 meters above sea level. ^[1]

The frog has been found in Parque Nacional Nahuel Huapi and in Laguna Verde National Park. ^[1]

Reproduction

The female frog lays 50 to 300 eggs at a time. ^[1]

Threats

The IUCN classifies this frog as vulnerable to extinction. Threats include fires, human-made and otherwise, tourism, and possibly horses and cows grazing near the ponds. ^[1]

References

1. IUCN SSC Amphibian Specialist Group (2019). "Atelognathus nitoi". IUCN Red List of Threatened Species . 2019 e.T2296A101421841. doi: 10.2305/IUCN.UK.2019-1.RLTS.T2296A101421841.en . Retrieved 17 November 2021.
2. Frost, Darrel R. "Atelognathus nitoi (Barrio, 1973)". Amphibian Species of the World, an Online Reference. Version 6.0. American Museum of Natural History, New York. Retrieved June 9, 2025.
3. "Atelognathus nitoi (Barrio, 1973)". AmphibiaWeb. University of California, Berkeley. Retrieved June 9, 2025.