First Description of a Male Shompen Frog, Limnonectes shompenorum Das 1996, with Notes on Distribution

Chandramouli, S.R.

doi:10.17161/randa.v27i2.14189

Cited by 1 publication

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“…Then, Das (1996) assessed and described it as a new species based on four adult female specimens. In additional study, Chandramouli (2020) described the morphology of a topotypical adult male from Campbell Bay, Great Nicobar, that was previously unknown. The following morphological characteristics of L. shompenorum are (1) Toes completely webbed; (2) Head larger than the body; (3) Interorbital distance greater than the upper eyelid; (4) Fingers with moveable dermal fringe; (5) Tips of fingers weakly swollen; (6) Absence of the inverted V-shaped fold on the scapular region; and (7) Female with pigmented eggs (Das 1996).…”

Section: Introductionmentioning

confidence: 99%

“…The following morphological characteristics of L. shompenorum are (1) Toes completely webbed; (2) Head larger than the body; (3) Interorbital distance greater than the upper eyelid; (4) Fingers with moveable dermal fringe; (5) Tips of fingers weakly swollen; (6) Absence of the inverted V-shaped fold on the scapular region; and (7) Female with pigmented eggs (Das 1996). This frog can be found on riverbanks or non-riparian habitats in primary or secondary forests (Das 1996;Harikrishnan and Vasudevan 2018;Chandramouli 2020). This frog is known to be distributed in the Nicobar Islands (Great Nicobar and Little Nicobar) and mainland Sumatra (Aceh, North Sumatra, South Sumatra, Riau, and Bengkulu) (Das 1996;Inger and Iskandar 2005;Teynié et al 2010;Chandramouli 2020).…”

Section: Introductionmentioning

confidence: 99%

“…This frog can be found on riverbanks or non-riparian habitats in primary or secondary forests (Das 1996;Harikrishnan and Vasudevan 2018;Chandramouli 2020). This frog is known to be distributed in the Nicobar Islands (Great Nicobar and Little Nicobar) and mainland Sumatra (Aceh, North Sumatra, South Sumatra, Riau, and Bengkulu) (Das 1996;Inger and Iskandar 2005;Teynié et al 2010;Chandramouli 2020). In addition, this species is also recorded from satellite islands on the western coast of Sumatra, viz.…”

Section: Introductionmentioning

confidence: 99%

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Limnonectes from Enggano Island (Indonesia) with comments on its taxonomic status

Gonggoli

Atmaja²,

Kadafi³

et al. 2023

Biodiversitas

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Abstract. Gonggoli AD, Atmajaya VY, Kadafi AM, Arida EA, Hamidy A. 2023. Limnonectes from Enggano Island (Indonesia) with comments on its taxonomic status. Biodiversitas 24: 473-480. Limnonectes shompenorum is a fanged frog known to be distributed in the satellite islands of the western coast of Sumatra and some parts of mainland Sumatra. This frog was also recorded in Enggano Island, but the taxonomic status and morphological data information still need to be studied. Herein, we examined L. shompenorum from Enggano Island based on molecular methods using the 16S rRNA gene and redescribed its morphological characters. The phylogenetic trees were constructed using Neighbor-Joining (NJ), Maximum Likelihood (ML), and Bayesian Inference (BI) analysis, and morphological measurements were taken using 23 characters. The results demonstrate that L. shompenorum is a monophyletic group and a sister taxon of L. macrodon. The monophyletic group of L. shompenorum consists of two clades (A and B) with relatively large genetic distances within the population (0.00-5.10%), representing distinct interspecific lineages. Clade A consists of the Enggano population with a genetic distance within the population of 0.00-0.48%, and clade B consists of the Mentawai Islands and Mainland Sumatra with a genetic distance within the population of 1.48-2.74%. The Enggano population is closer to the Mentawai population (2.47-2.74%) than the Sumatra population (3.52-5.10%). Our genetic data aligns with previous studies that indicate the Enggano population possibly comes from the Mentawai population. Morphologically, L. shompenorum from Enggano Island is similar to the original description, however it has consistent, distinctive characteristics by having the fourth finger longer than the second finger in females. Further research using broader molecular data, including the holotype population, is needed to confirm the taxonomic status of L. shompenorum.

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Section: Introductionmentioning

confidence: 99%