Colostethus cevallosi, also known as Hyloxalus cevallosi, is a species of poison dart frog

Poison dart frog

Poison dart frog is the common name of a group of frogs in the family Dendrobatidae which are native to Central and South America. These species are diurnal and often have brightly-colored bodies...

 in the Dendrobatidae family. It is named after Don Gabriel Cavallos, a famous Ecuadorean writer. This species of frog exists on the east side of the Andes

Andes

The Andes is the world's longest continental mountain range. It is a continual range of highlands along the western coast of South America. This range is about long, about to wide , and of an average height of about .Along its length, the Andes is split into several ranges, which are separated...

 and in Ecuador

Ecuador

Ecuador , officially the Republic of Ecuador is a representative democratic republic in South America, bordered by Colombia on the north, Peru on the east and south, and by the Pacific Ocean to the west. It is one of only two countries in South America, along with Chile, that do not have a border...

 near the Pastaza Province

Pastaza Province

Pastaza is a province in the Oriente of Ecuador located in the eastern jungle. The capital is Puyo, founded on May 12, 1899 and which boasts 25,800 inhabitants...

 as well as the Zamora-Chinchipe Province

Zamora-Chinchipe Province

Zamora Chinchipe is a Province of the Republicof Ecuador, located at the southeastern end of the Amazon Basin, which shares borders with the Ecuadorian provinces of Azuay and Morona Santiago to the north, Loja and Azuay to the west, and with Peru to the east and south...

. Though it has been recorded in Peru

Peru

Peru , officially the Republic of Peru , is a country in western South America. It is bordered on the north by Ecuador and Colombia, on the east by Brazil, on the southeast by Bolivia, on the south by Chile, and on the west by the Pacific Ocean....

, the records have yet to be confirmed. Its natural habitat

Habitat

* Habitat , a place where a species lives and grows*Human habitat, a place where humans live, work or play** Space habitat, a space station intended as a permanent settlement...

s are subtropical or tropical moist lowland forest

Forest

A forest, also referred to as a wood or the woods, is an area with a high density of trees. As with cities, depending where you are in the world, what is considered a forest may vary significantly in size and have various classification according to how and what of the forest is composed...

s, subtropical or tropical moist montane

Montane

In biogeography, montane is the highland area located below the subalpine zone. Montane regions generally have cooler temperatures and often have higher rainfall than the adjacent lowland regions, and are frequently home to distinct communities of plants and animals.The term "montane" means "of the...

s, and river

River

A river is a natural watercourse, usually freshwater, flowing towards an ocean, a lake, a sea, or another river. In a few cases, a river simply flows into the ground or dries up completely before reaching another body of water. Small rivers may also be called by several other names, including...

s.

Colostethus cevallosi's is currently listed as endangered on the IUCN Red List of Threatened Species

IUCN Red List

The IUCN Red List of Threatened Species , founded in 1963, is the world's most comprehensive inventory of the global conservation status of biological species. The International Union for Conservation of Nature is the world's main authority on the conservation status of species...

 and its population is decreasing. Members of the species live in less than five different areas worldwide in a total space less than 5000 square kilometers. It is threatened by habitat loss as the Amazonian foothills of the Andes are slowly disappearing due to agricultural development and logging. It is not known to live in any protected areas.

It is characterized by slanting lateral, ventrolateral, and relatively incomplete dorsolateral stripes, a large tympanum, almost non-fringed free toes, and a broad abdomen.