Description
A medium sized species of Kalophrynus, with a snout-vent length of up to 38.0mm. Body elongated with a narrow waist. Head broader than long; snout pointed when viewed dorsally and laterally, projecting beyond mandible. Pupil circular, tympanum distinct with a supratympanic fold.
Dorsum granular, with glandular skin. A supratympanic fold extends posterior angle of eye to base of forelimbs. Abdomben and inner side of thighs coarsely granular. A few white tubercles on on the pectorial region of males.
Coloration in life a deep reddih-brown, or sometimes cream. A deep brow inverted "V" -shaped mark begins from above tip of snout and terminates above the vent. A black ocellus on the inguuinal region. The limbs have dark bars and blotches. Venter yellowish-cream. Mature males with a black speckled throat and abdomben. Sides of head and body darker than dorsum.
Fingers without vestiges of webbing, their relative lengths 4>1>2>3. Finger tips rounded with subarticular tubercles prominent, rounded, one on first, second and fourth finger and two on third. Fleshy palmar tubercles.
Toes webbed at base, relative length 4>3>5>2>1. Toe tips rounded with subarticular tubercles prominent, rounded, one on first and second toe, two on third and fifth toe and three on fourth toe. Rounded inner and outer metatarsal tubercles.

Distribution and Habitat

Country distribution from AmphibiaWeb's database: Bangladesh, India

View distribution map in BerkeleyMapper.

The female holotype was collected from the side of the approach road to the Satsimalu Beat, inside Orang National Park, in Darrang District, Assam State, north-eastern India. The species was collected in grassland adjacent to the forest, or close to emergent trees bordering grassland. It was found over dry grasses on the side of the road, ca, 25 cm above the substrate, at 2130h. The male and female paratypes were also collected from the same locality, within a stretch of ca. 50m in similar habitat.

Life History, Abundance, Activity, and Special Behaviors
When the holotype and paratypes were captured, they attempted to escape by crawling and taking short leaps. When handeled, they extruded a cream-colored sticky secretion that was hard to remove.
Pairs in amplexus were collected in early June (Southwest Monsoon). The males participated in choruses after a heavy shower, and the calls were also heard during the morning, up to 1100h, under overcast and humid conditions. Males call from the bank of small puddles, while hiding under roots and overhanging blades of grasses (Saccharum sp.) and from thickets of ferns. One female was collected at about 1600h while crossing a forest path following a shower. The larval stages are unknown.

Comments
Etymology: The species is named after the type locality, Orang National Park, in Darrang District, Assam State, north-eastern India.

References

Dutta, S. K., Ahmed, M. F., and Das, I. (2000). ''Kalophrynus (Anura: Microhylidae), a new genus for India, with the description of a new species, Kalophrynus orangensis, from Assam state.'' Hamadryad, 25(2), 67-74.

Species Account Citation: AmphibiaWeb 2001 Kalophrynus orangensis: Indian Striped Sticky Frog <https://amphibiaweb.org/species/5818> University of California, Berkeley, CA, USA. Accessed Nov 26, 2024.

Citation: AmphibiaWeb. 2024. <https://amphibiaweb.org> University of California, Berkeley, CA, USA. Accessed 26 Nov 2024.

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