| _version_ | 1866901961114124288 |
|---|---|
| author | Sanguila, Marites B. Labaja, Ana Cristina O. Bernstein, Justin M. Brown, Rafe M. |
| author_facet | Sanguila, Marites B. Labaja, Ana Cristina O. Bernstein, Justin M. Brown, Rafe M. |
| contents | <p><i>Indosylvirana nicobariensis</i> (Stoliczka, 1870)</p><p>Fig. 4 J, K</p><p><b>Vernacular name.</b></p><p>Nicobar Island Frog</p><p><b>Material examined.</b></p><p>Philippines • 1 individual; Mindanao, Agusan del Sur Province, Municipality of San Francisco, Barangay Caimpugan; 08°24'13"N, 125°52'37"E; MBS 1970 • 9 individuals; Municipality of Rosario, Sitio Sabang – Gibong; 08°19'41"N, 125°53'39"E; BIRC 587–88, 591–93, 817–20 • 10 individuals; Municipality of Bunawan, Barangay San Marcos; confluence of Simulao and Agusan Rivers; 08°14'10"N, 125°55'08"E; BIRC 0610, 825–29, 850–53 • 4 individuals; Municipality of Talacogon, Lake Kasawangan, Barangay La Flora; 08°23'48"N, 125°52'11"E; MBS 2142–43, 2150, 2188 • 2 individuals; Municipality of Loreto, Barangay Poblacion; 08°12'20"N, 125°52'07"E; MBS 2219, 2241.</p><p><b>Identification.</b></p><p>A highly pointed snout, a bronze-brown dorsum, bright white markings present on the upper lip, prominent humeral glands positioned on the anteroventral surface of arms, and a creamy venter (Inger 1954; Diesmos et al. 2015; Chandramouli et al. 2020).</p><p><b>Remarks.</b></p><p>This introduced species is now very common, apparently ubiquitously distributed, and was observed in dense aggregations actively calling from floating vegetation in freshwater swamps. It also occurs in the peat swamp forest of the Agusan Marsh, where it was observed in smaller choruses of fewer individuals. It is widespread in Southeast Asia, with historical records from the Palawan PAIC (Dumaran Island; Inger 1954) and the Sulu faunal regions (Diesmos et al. 2015), and apparently has been introduced into Agusan Marsh at some point over the last century, from an unknown source; this species is widespread on the land masses of the Sunda Shelf (Malaysia, Indonesia). Recent recognition of the species as a distinct genus <i>Bijurana</i> (Chandramouli et al. 2020) has been refuted (Oliver et al. 2015; Chan et al. 2020 a), and the newly proposed genus has been placed in synonymy with <i>Indosylvirana</i>. Thus, we recognize <i>I. nicobariensis</i> (Frost 2025; Chan et al. 2020 b).</p> |
| format | Recurso digital |
| id | zenodo_https___doi_org_10_5281_zenodo_18928026 |
| institution | Zenodo |
| language | |
| publishDate | 2026 |
| publisher | Zenodo |
| record_format | zenodo |
| spellingShingle | Indosylvirana nicobariensis Sanguila, Marites B. Labaja, Ana Cristina O. Bernstein, Justin M. Brown, Rafe M. Biodiversity Taxonomy Animalia Chordata Amphibia Anura Ranidae Indosylvirana Indosylvirana nicobariensis <p><i>Indosylvirana nicobariensis</i> (Stoliczka, 1870)</p><p>Fig. 4 J, K</p><p><b>Vernacular name.</b></p><p>Nicobar Island Frog</p><p><b>Material examined.</b></p><p>Philippines • 1 individual; Mindanao, Agusan del Sur Province, Municipality of San Francisco, Barangay Caimpugan; 08°24'13"N, 125°52'37"E; MBS 1970 • 9 individuals; Municipality of Rosario, Sitio Sabang – Gibong; 08°19'41"N, 125°53'39"E; BIRC 587–88, 591–93, 817–20 • 10 individuals; Municipality of Bunawan, Barangay San Marcos; confluence of Simulao and Agusan Rivers; 08°14'10"N, 125°55'08"E; BIRC 0610, 825–29, 850–53 • 4 individuals; Municipality of Talacogon, Lake Kasawangan, Barangay La Flora; 08°23'48"N, 125°52'11"E; MBS 2142–43, 2150, 2188 • 2 individuals; Municipality of Loreto, Barangay Poblacion; 08°12'20"N, 125°52'07"E; MBS 2219, 2241.</p><p><b>Identification.</b></p><p>A highly pointed snout, a bronze-brown dorsum, bright white markings present on the upper lip, prominent humeral glands positioned on the anteroventral surface of arms, and a creamy venter (Inger 1954; Diesmos et al. 2015; Chandramouli et al. 2020).</p><p><b>Remarks.</b></p><p>This introduced species is now very common, apparently ubiquitously distributed, and was observed in dense aggregations actively calling from floating vegetation in freshwater swamps. It also occurs in the peat swamp forest of the Agusan Marsh, where it was observed in smaller choruses of fewer individuals. It is widespread in Southeast Asia, with historical records from the Palawan PAIC (Dumaran Island; Inger 1954) and the Sulu faunal regions (Diesmos et al. 2015), and apparently has been introduced into Agusan Marsh at some point over the last century, from an unknown source; this species is widespread on the land masses of the Sunda Shelf (Malaysia, Indonesia). Recent recognition of the species as a distinct genus <i>Bijurana</i> (Chandramouli et al. 2020) has been refuted (Oliver et al. 2015; Chan et al. 2020 a), and the newly proposed genus has been placed in synonymy with <i>Indosylvirana</i>. Thus, we recognize <i>I. nicobariensis</i> (Frost 2025; Chan et al. 2020 b).</p> |
| title | Indosylvirana nicobariensis |
| topic | Biodiversity Taxonomy Animalia Chordata Amphibia Anura Ranidae Indosylvirana Indosylvirana nicobariensis |
| url | https://doi.org/10.5281/zenodo.18928026 |