Microhyla nakkavaram Garg, Sivaperuman, Gokulakrishnan, Chandramouli, and Biju, 2022

Class: Amphibia > Order: Anura > Family: Microhylidae > Subfamily: Microhylinae > Genus: Microhyla > Species: Microhyla nakkavaram

Microhyla nakkavaram Garg, Sivaperuman, Gokulakrishnan, Chandramouli, and Biju, 2022, Zool. Stud., Taipei, 61 (2): 10. Holotype: ZSI/ANRC/ T/14215, by original designation. Type locality: "APWD Guest House, Campbell Bay (07.014°N, 93.932°E, 40 m asl), Great Nicobar Island, Andaman and Nicobar Archipelago, India". Zoobank publication registration: EF1F5474-FEAE-4346-9B17-D5EB0B83A875 

English Names

Nicobarese Narrow-mouthed Frog (original publication). 

Nicobarese Chorus Frog (Dinesh, Radhakrishnan, Deepak, and Kulkarni, 2023, Fauna India Checklist, vers. 5.0 : 8).


Known from the southern group of Nicobar Islands, India (Great Nicobar Island, Kondul Island, and Little Nicobar Island) and Sumatra and Nias I. (Indonesia); populations from West Malaysia and Singapore are phylogenetically close to this species but likely represent a distinct species. 

Geographic Occurrence

Natural Resident: India, Indonesia

Likely/Controversially Present: Malaysia, Malaysia, West (Peninsular), Singapore


Previously confused with Microhyla heymonsi, according to the original publication, where external morphology, coloration, and molecular markers were detailed. Dutta, 1997, Amph. India Sri Lanka: 59, provided systematic comments (as Microhyla heymonsi). Harikrishnan and Vasudevan, 2018, Alytes, 36: 245–247, commented on the distribution and natural history (as Microhyla heymonsi) in the Andaman and Nicobar Islands, India. Eprilurahman, Atmaja, Munir, Ubaidillah, Arisuryanti, Smith, and Hamidy, 2023, Biodiversitas, 24: 1092–1103, suggested on molecular grounds that populations of nominal Microhyla heymonsi from Sumatra are referrable to Microhyla nakkvaram, and that populations of nominal Microhyla heymonsi from Singapore and West Malaysia may be a distinct species close to Microhyla nakkavaram. See comment under Microhyla heymonsi for access to literature covering members of this species complex erroneously referred to Microhyla heymonsi

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