Amolops cremnobatus Inger and Kottelat, 1998

Class: Amphibia > Order: Anura > Family: Ranidae > Genus: Amolops > Species: Amolops cremnobatus

Amolops cremnobatus Inger and Kottelat, 1998, Raffles Bull. Zool., 46: 30. Holotype: FMNH 252861, by original designation. Type locality: "Laos, Khammouan Prov., Nam Phao River, just downstream from border paost on Lak Sao/Vinh road (18° 23′ N/105° 09′ 20″ E)". Type locality corrected to "Laos, Bolikhamxay Province, Khamkeut District, Nam Phao River, just downstream from border post on Lak Sao/Vinh Road, 18.38267N 105.15758 E." by Sheridan, Phimmachak, Sivongxay, and Stuart, 2023, Vert. Zool., Senckenberg, 73: 936.

Common Names

Inger’s Lao Torrent Frog (Sheridan, Phimmachak, Sivongxay, and Stuart, 2023, Vert. Zool., Senckenberg, 73: 936). 

Lao Sucker Frog (Nguyen, Ho, and Nguyen, 2005, Checklist Amph. Rept. Vietnam: 19).

Lao Torrent Frog (Poyarkov, Nguyen, Popov, Geissler, Pawangkhanant, Neang, Suwannapoom, and Orlov, 2021, Russ. J. Herpetol., 28 (3A): 44). 

Distribution

Northern Annamites in Bolikhamxay and Khammouan Provinces, Laos, and Ha Tinh and Quang Binh Provinces, Vietnam. 

Geographic Occurrence

Natural Resident: Laos, Vietnam

Comment

Orlov, Murphy, Ananjeva, Ryabov, and Ho, 2002, Russ. J. Herpetol., 9: 86, provided the Vietnam range prior to the partition of the species (see below). Stuart, 1999, in Duckworth et al. (eds.), Wildlife in Lao PDR: 45, reported an additional population in Laos near the type locality, followed by Stuart, 2005, Herpetol. Rev., 36: 476, who provided another. Nguyen, Ho, and Nguyen, 2005, Checklist Amph. Rept. Vietnam: 19, provided specific localities for Vietnam prior to the partition of the species (see below). Bain, Nguyen, and Doan, 2007, Herpetol. Rev., 38: 109, provided a record from Quang Binh Province, Vietnam. See statement of geographic range, habitat, and conservation status in Stuart, Hoffmann, Chanson, Cox, Berridge, Ramani, and Young, 2008, Threatened Amph. World: 628, prior to the partition of the species (see below). In the Amolops larutensis group of Zeng, Liang, Li, Lyu, Wang, and Zhang, 2020, Mol. Phylogenet. Evol., 146 (106753): 1–9,  Wu, Yan, Stuart, Prendini, Suwannapoom, Dahn, Zhang, Cai, Xu, Jiang, Chen, Lemmon, Lemmon, Raxworthy, Orlov, Murphy, and Che, 2020, Mol. Phylogenet. Evol., 144 (106701): 1–13, and Jiang, Ren, Lyu, Wang, Wang, Lv, Wu, and Li, 2021, Zool. Res., Kunming, 42: 574–591, who discussed molecular phylogenetics. The concept of this species was changed substantially by  Sheridan, Phimmachak, Sivongxay, and Stuart, 2023, Vert. Zool., Senckenberg, 73: 91–956, with the naming of four species (Amolops tanfuilianae, Amolops sengae, Amolops kottelati, and Amolops attiguus) from within the former range, distinguished on the basis of mt- and nuDNA molecular markers, coloration, and larval and adult morphology. Stuart, Seateun, Sivongxay, and Phimmachak, 2025 "2024", in Wildlife Lao PDR: 38, summarized literature, taxonomy, habitat, and detailed range for Laos. In the Amolops larutensis group of Biju, Ellepola, Sarmah, Upadhyaya K., Bisht, Tajo, Hanken, and Garg, 2026, Bull. Mus. Comp. Zool., 164: 1–144, who reported on the molecular and morphological phylogenetics of the group, with special reference to the species of India.

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