Clinotarsus alticola - Freshwater Biodiversity Portal of Bangladesh

Scientific Name: Clinotarsus alticola (Boulenger, 1882)

English Name: Pointed-headed Frog, Assam Hills Frog

Local/Bangla Name: Sonali Pahari Bang(সোনালী পাহাড়ি ব্যাঙ) (সূচালো মাথা ব্যাঙ), Suchalo-matha Bang (সূচালো মাথা ব্যাঙ)

Photo: Rejoice Gassah (iNaturalist)

Classification:

Kingdom: Animalia

Phylum: Chordata

Class: Amphibia

Order: Anura

Family: Ranidae

Description:

The skin of this frog is smooth, with a dorsal surface ranging from golden-yellow to light brown or dark brown, while the ventral surface is almost white. The throat is somewhat dirty-white with a straight white mark in the middle. It has a distinct, transparent, circular, and large tympanum. The fingers are free, each with a pear-shaped disc at the tip, and the second finger is longer than the first. Males can be distinguished from females by having black lateral sides, often scattered with blackish patches on the back, and a faint band on the legs.

Habitat & Distribution in Bangladesh:

The species is semi-aquatic and typically inhabits the edges of hill forest streams. In Bangladesh, it is commonly found in forest streams within the Chittagong Hill Tracts region.

Environment:

Freshwater, terrestrial

References:

Kabir SMH, Ahmad M, Ahmed ATA, Rahman AKA, Ahmed ZU, Begum ZNT, Hassan MA and Khondker M (eds.) (2009) Encyclopedia of Flora and Fauna of Bangladesh, Vol. 25 Amphibians and Reptiles Asiatic Society of Bangladesh, Dhaka 204 pp.

Rahman M, Nneji LM, Hossain M, Nishikawa K, Habib K (2021) Diversity and distribution of amphibians in central and northwest Bangladesh, with an updated checklist for the country. Journal of Asia-Pacific Biodiversity. 15. 147-156. 10.1016/j.japb.2021.12.002.

IUCN Bangladesh (2015) Red List of Bangladesh Volume 4: Reptiles and Amphibians. IUCN, International Union for Conservation of Nature, Bangladesh Country Office, Dhaka, Bangladesh, pp. xvi+320.

Hakim J, Trageser SJ, Ghose A, Rashid SMA & Rahman SC (2020) Amphibians and reptiles from Lawachara National Park in Bangladesh. Check List, 16(5), 1239-1268.

Rahman ANMA (2015) Wildlife of Bangladesh, Department of Films & Publications, Ministry of Information, Dhaka, Bangladesh

iNaturalist (2008) Amolops marmoratus https://www.inaturalist.org/photos/246817030 Accessed 18 september, 2027