A New Limnonectes (Anura: Dicroglossidae) from Southern Thailand

Yodthong, Siriporn; Rujirawan, Attapol; Stuart, Bryan L.; Aowphol, Anchalee

doi:10.3390/ani11020566

Cited by 7 publications

(4 citation statements)

References 51 publications

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“…Based on the findings in this study, their external morphological characteristics showing depressed body shape are typical for the genus Limnonectes (Yodthong et al 2021), probably because they are dependent on their benthic feeding behaviors on which they can be observed in the bottom portion of their microhabitat (de Souza et al 2022). The coloration of the tadpoles of L. leytensis is also said to be typical for its genus (Rowley et al 2014).…”

Section: External Morphology Of Tadpolesmentioning

confidence: 63%

Morphological description and life history of the Philippine endemic Limnonectes leytensis Leyte swamp frog in Rogongon, Iligan City, Philippines

Flores

Diesmos²,

Nuñeza³

2023

Biodiversitas

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Abstract. Flores ABA, Diesmos AC, Nu?eza OM. 2022. Morphological description and life history of the Philippine endemic Limnonectes leytensis Leyte swamp frog in Rogongon, Iligan City, Philippines. Biodiversitas 23: 133-139. The Philippine endemic Limnonectes leytensis (Leyte Swamp Frog) is a widespread species, however, most studies concerning it only focus on adult stages, except for the study on Negros Island. With this, we conducted a study on the morphology and life history of L. leytensis in Rogongon, Iligan City, Philippines. We collected different tadpole stages through opportunistic sampling. Gosner developmental stages 23 to 40 were considered and measured using standard tadpole body morphometrics. Linear regression was used for modeling the relationship between the different morphometrics. Results showed that the tadpoles have a depressed body, dorsolateral eye position and has golden, light to dark brown pigmentation. Apart from this, its mouthpart showed an anteroventral shape, and the labial tooth row formula is 1/2-3, showing a single row in the upper lip and three rows in the lower lip, having the 3rd row half the length of the other two, which is different to that of the results of the past studies which reported that the labial tooth was 1/2:1-1 showing a broken gap in the first tooth row of the lower lip. The analysis revealed a positive relationship between different morphometrics to the total length (body length rs: 0.96; tail length rs: 0.99; musculature height rs: 0.90 and maximum tail height rs: 0.85) with a significance value of <0.001. The data generated from this study will ignite future efforts on tadpole research in the country, given that there are differences found in the tadpoles from different regions.

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Section: External Morphology Of Tadpolesmentioning

confidence: 63%

Morphological description and life history of the Philippine endemic Limnonectes leytensis Leyte swamp frog in Rogongon, Iligan City, Philippines

Flores

Diesmos²,

Nuñeza³

2023

Biodiversitas

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“… Ichthyophis kohtaoensis was the least found anuran, likely due to them being fossorial and nocturnal. The newly discovered Limnonectes pseudodoriae was found only near or in rocky stream bed areas as described by Yodthong et al (2021) . Though it was found in each habitat, the microhabitat is specialized for this frog as rocky stream areas are the only places they were found.…”

Section: Resultsmentioning

confidence: 88%

“…Eggs were observed on land at the edge of a pool of standing water at a leveled area of a rocky stream wash in national park forest. This newly described species has been documented on only three islands, Ko Pha-ngan, Ko Samui, and Ko Lanta ( Yodthong et al 2021 ). The individuals observed in the human-settlement area were in a flooded stream area between a house and small pond.…”

Section: Resultsmentioning

confidence: 97%

Amphibian survey of Ko Pha-gnan in Surat Thani Province, Thailand

Cook-Price,

Makchai,

Hasin

et al. 2024

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Insular amphibian species are often overlooked, rendering them vulnerable to habitat encroachment and other anthropogenic threats. The aim of this study was to compile a comprehensive list of amphibian species on Ko Pha-ngan in Surat Thani Province, Thailand. Data were collected via transect surveys and drift line fence traps in three different habitat types from February 2021 to September 2023. Our efforts detected 12 unique amphibian species in each of the three habitat types. The highest number of detections was observed in the Ko Pha-ngan-Than Sadet National Park protected areas. The common tree frog (Polypedates leucomystax) and the common Asian toad (Duttaphrynus melanostictus) were the two most abundantly found species on the island, whereas the Koh Tao caecilian (Ichthyophis kohtaoensis) and the newly described false Doria’s fanged frog (Limnonectes pseudodoriae) where the least commonly found species. In addition, Microhyla heymonsi and Fejervarya limnocharis tadpoles were observed developing in high-salinity water bodies. Many species have shown a high tolerance in human-dominated landscapes. This study sheds light on the need for additional monitoring to better understand the dynamics of endemic species in addition to the impact tourism-driven development and habitat destruction has on a species with an insularly finite habitat.

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“…However, the phylogeny published by Phimmachak et al [20] indicated L. kohchangae, L. macrognathus, and L. plicatellus to be more closely related to the non-caruncle-bearing species L. doriae, L. hascheanus, and L. limborgi than to the other caruncle-bearing species (i.e., L. dabanus, L. gyldenstolpei, L. lauhachindai, L. savan). Most recently, Yodthong et al [21] described a new species related to L. doriae. Obviously, additional phylogenetic studies are needed including also nuclear DNA loci in order to resolve the relationships of the species of Limnonectes.…”

Section: Introductionmentioning

confidence: 99%

Bioacoustics Reveal Hidden Diversity in Frogs: Two New Species of the Genus Limnonectes from Myanmar (Amphibia, Anura, Dicroglossidae)

et al. 2021

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Striking geographic variation in male advertisement calls was observed in frogs formerly referred to as Limnonectes doriae and L. limborgi, respectively. Subsequent analyses of mtDNA and external morphological data brought supporting evidence for the recognition of these populations as distinct species. We describe two new frog species of the genus Limnonectes (i.e., L. bagoensis sp. nov. and L. bagoyoma sp. nov.) from Myanmar. Limnonectes bagoensis sp. nov. is closely related to L. doriae whereas L. bagoyoma sp. nov. is closely related to L. limborgi. Results of this integrative study provide evidence for the presence of additional undescribed species in these species complexes but due to the lack of bioacoustical data, we consider these additional diverging populations as candidate species that need further study to resolve their respective taxonomic status. Both new species are distributed in Lower Myanmar. Limnonectes doriae is restricted to southern Myanmar along the Malayan Peninsula whereas L. limborgi is known to occur in eastern Myanmar and northwestern Thailand. The remaining populations formerly referred to as either L. doriae or L. limborgi are considered representatives of various candidate species that await further study. We further provide a de novo draft genome of the respective holotypes of L. bagoensis sp. nov. and L. bagoyoma sp. nov. based on short-read sequencing technology to 25-fold coverage.

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A New Limnonectes (Anura: Dicroglossidae) from Southern Thailand

Cited by 7 publications

References 51 publications

Morphological description and life history of the Philippine endemic Limnonectes leytensis Leyte swamp frog in Rogongon, Iligan City, Philippines

Morphological description and life history of the Philippine endemic Limnonectes leytensis Leyte swamp frog in Rogongon, Iligan City, Philippines

Amphibian survey of Ko Pha-gnan in Surat Thani Province, Thailand

Bioacoustics Reveal Hidden Diversity in Frogs: Two New Species of the Genus Limnonectes from Myanmar (Amphibia, Anura, Dicroglossidae)

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