Pristimantis

Canelos Robber Frog Pristimantis acuminatus
The dorsal skin is shagreen, with scattered small tubercles in males. The long snout is acuminate in females and subacuminate in males in dorsal view; in profile, it is truncate and posteriorly inclined. The first finger is shorter than the second. Examined individuals were found active at night on leaves of low vegetation up to 3 m above the ground. It is recorded from Pastaza and Morona-Santiago provinces in Ecuador and northern Loreto in Peru.
Amaguaña's Rainfrog Pristimantis amaguanae
The dorsal skin is shagreen with conical tubercles. The snout is acuminate in dorsal view and protruding in profile, with a rostral papilla. The first finger is shorter than the second. The only known male and female were found in amplexus at night on a leaf 0.4 m above the ground in primary forest near a stream. The type pair was collected near Villano, Pastaza Province, Ecuador, at 430 m elevation.
Anaí's Rainfrog Pristimantis anaiae
Adult males have shagreen dorsal skin, sometimes with large tubercles. The snout of adult males is short and rounded in dorsal and lateral view. In adult males, Finger I is shorter than Finger II. Individuals were found at night perched on leaves or branches 1–2.5 m above ground in primary and secondary forests. It is recorded around Zarentza Community in Llanganates National Park, Pastaza Province, Ecuador.
Atillo Rain Frog Pristimantis atillo
The dorsal skin is shagreen, with or without scattered small subconical tubercles. The snout is moderately long, acuminate with a fleshy keel in dorsal view, and protruding in profile. Finger I is shorter than Finger II. Most individuals collected at night were active on low vegetation from ground level to 1 m high. During the day, they were found beneath rocks. It is known from around the Atillo lakes and nearby sites in Sangay National Park, Ecuador, at 3185–3730 m elevation.
Crest Robber Frog Pristimantis balionotus
The dorsal skin is tuberculated, with the texture more evident in life. The snout is subacuminate in dorsal view and rounded in profile. Finger I is shorter than Finger II. It is found inside or on the leaves of terrestrial bromeliads. It is known from Abra de Zamora and Reserva Madrigal del Podocarpus about 9 km to the south, Ecuador.
Broaddus' Rainfrog Pristimantis broaddus
The described adult female has a head longer than it is wide. There is no webbing between the toes. The fifth toe on the hind foot is longer than the third toe. Individuals were found at night on leaves of bushes and ferns. It is recorded from the El Pailón sector of Golondrinas Protective Forest in Carchi Province, northwestern Ecuador.
Pristimantis chinguelas
Adult males have a head wider from side to side than it is long from front to back, but narrower than the body. In adult males, Finger I is shorter than Finger II. In adult males, Toe V is longer than Toe III. The adult males collected on 10 November 2023 were calling on leaves at night. Their collection site was a steep, rocky, open cliffside along the Sapalache–El Carmen road, with scattered bushes, montane bamboo, herbs and grass. It is recorded from Cerro Chinguelas, Huancabamba Province, Piura Region, northwestern Peru.
Chomsky’s Rain Frog Pristimantis chomskyi
In males, the dorsal skin is shagreen, and the flanks have large warts. In males, the snout is short, subacuminate in dorsal view, and rounded in profile. In males, finger I is shorter than Finger II. All individuals found in the study were inside bromeliads at night, mostly in plants of the genus Puya. It is known only from its type locality in Tapichalaca Reserve, Zamora Chinchipe, Ecuador, at 3366 m elevation.
Piura Robber Frog Pristimantis colodactylus
The dorsal skin is areolate, almost tuberculate, with its texture more evident in life. The snout is rounded in dorsal view and profile. Finger I is shorter than Finger II. It has been found inside terrestrial and arboreal bromeliads during the day and at night. It has been confirmed at Abra de Zamora, Ecuador, where it was encountered at 2800–2820 m elevation.
Cryptic Robber Frog Pristimantis cryptomelas
The dorsal skin is shagreened. The snout is subacuminate in dorsal view and rounded in profile. Finger I is shorter than Finger II. At night it is found perched on vegetation, usually 30 cm–2 m above ground, sometimes near streams. Confirmed records are from Tapichalaca, Cajanuma, Abra de Zamora, Huacapamba and Washapamba in Loja and Zamora Chinchipe provinces, Ecuador.
Obscure Rainfrog Pristimantis enigmaticus
The dorsal skin is shagreen. Adult females have an acuminate snout with a small papilla in dorsal view; male snouts range from subacuminate to acuminate. The first finger is shorter than the second. Individuals have been recorded active at night on leaves of low vegetation up to 3 m above the ground. It is recorded from Morona-Santiago, Orellana and Pastaza in Ecuador and northern Loreto in Peru.
Yellow Rain Frog Pristimantis flavus
Pristimantis flavus is a small frog recorded in southern French Guiana. In life, males have bright yellow bodies and limbs.