Nanohyla perparva (Inger and Frogner, 1979)

Class: Amphibia > Order: Anura > Family: Microhylidae > Subfamily: Microhylinae > Genus: Nanohyla > Species: Nanohyla perparva

Microhyla perparva Inger and Frogner, 1979, Sarawak Mus. J., 27: 318. Holotype: FMNH 147917, by original designation. Type locality: "Labang Forest Reserve, Bintulu District, Sarawak", Malaysia (Borneo).

Microhyla (Microhyla) perparvaDubois, 1987, Alytes, 6: 3.

Nanohyla perparva — Gorin, Scherz, Korost, and Poyarkov, 2021, Zoosyst. Evol., 97: 38. 

English Names

Labang Forest Rice Frog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 90).

Least Narrow-mouthed Frog (Haas, Das, Hertwig, Bublies, and Schulz-Schaeffer, 2022, Guide to the Tadpoles of Borneo: 312).

Distribution

Sabah and Sarawak, Malaysia (Borneo); presumably in adjacent Kalimantan, Indonesia.

Geographic Occurrence

Natural Resident: Malaysia, Malaysia, East (Sarawak and/or Sabah)

Likely/Controversially Present: Indonesia

Endemic: Malaysia, Malaysia, East (Sarawak and/or Sabah)

Comment

See identification table (as Microhyla perparva) by Manthey and Grossmann, 1997, Amph. Rept. Südostasiens: 46, to compare this species with other microhylids in the Sunda Shelf region. See statement of geographic range, habitat, and conservation status in Stuart, Hoffmann, Chanson, Cox, Berridge, Ramani, and Young, 2008, Threatened Amph. World: 626. Firdaus, Ratih, Karima, Kusuma, and Suastika, 2018, Bioinform. Biomed. Res. J., 1: 1–6, reported on the mtDNA phylogenetic relationships of the species of Microhyla (sensu lato) within Sumatra, Java, Borneo, and peninsular Malaysia, placing this species as the sister of Microhyla petrigena (now Nanohyla petrigena). Gorin, Solovyeva, Hasan, Okamiya, Karunarathna, Pawangkhanant, de Silva, Juthong, Milto, Nguyen, Suwannapoom, Haas, Bickford, Das, and Poyarkov, 2020, PeerJ, 8 (e9411): 1–47, placed this species in their Microhyla annectens (now Nanohyla) group and suggested that the Sarawak (Malaysia) and Kalimantan (Indonesia) populations represent distinct species. Haas, Das, Hertwig, Bublies, and Schulz-Schaeffer, 2022, Guide to the Tadpoles of Borneo: 312–314, summarized the knowledge of habitat, reproduction, larval morphology and coloration.  

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