Chalcorana eschatia (Inger, Stuart & Iskandar, 2009)

Species Size

Chalcorana eschatia is a species of moderate-sized frog. Adult males measure 31–40 mm (1.2–1.6 in) and adult females measure 43–57 mm (1.7–2.2 in) in snout–vent length.

Body and Limb Shape

The species has a slender body and long legs. Its snout is obtusely pointed when viewed from above, and rounded in profile.

Tympanum Characteristics

The tympanum is distinct, and it is slightly larger in males than in females.

Finger Morphology

The outer fingers bear large discs; no webbing is present between the fingers, but the middle fingers have defined skin folds.

Toe Morphology

The toe tips have discs that are smaller than those found on the fingers, and webbing between the toes is extensive.

Dorsal Skin Texture

The dorsal skin is granular.

Preserved Dorsal Coloration

In preserved specimens, the dorsal surface and sides are dark brown, with no black spots present.

Venter Coloration

The venter is whitish or cream-colored, and sometimes has round dark spots on the throat.

Hind Limb Markings

There are no crossbars on the hind limbs.

Habitat Association

No specific ecological information was included with the original species description, but it has been noted that this species, along with other related species, appears to be restricted to perhumid forests.

IUCN Red List Status

As of early 2019, this species has not been assessed for the IUCN Red List of Threatened Species.

Type Collection Localities

The entire type series of this species was collected from several national parks in the region: the type locality at Ngao Falls National Park, plus Khao Luang National Park, Khao Phanom Bencha National Park, Khao Sok National Park, and Kaeng Krung National Park.