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Article

A New Limnonectes (Anura: Dicroglossidae) from Southern Thailand

1
Department of Zoology, Faculty of Science, Kasetsart University, Bangkok 10900, Thailand
2
Section of Research & Collections, North Carolina Museum of Natural Sciences, Raleigh, NC 27601, USA
*
Author to whom correspondence should be addressed.
Academic Editor: Jean-Marie Exbrayat
Animals 2021, 11(2), 566; https://doi.org/10.3390/ani11020566
Received: 18 January 2021 / Revised: 17 February 2021 / Accepted: 18 February 2021 / Published: 22 February 2021
(This article belongs to the Section Animal Genetics and Genomics)
New species of frogs continue to be discovered at a rapid rate in Southeast Asia, often as a result of reexamining populations of geographically widespread species using new molecular and bioacoustic tools. Here, we show that members of the fanged frog genus Limnonectes from Ko Pha-ngan, Ko Samui, and Ko Lanta Yai Islands in southern Thailand can be distinguished from the morphologically similar species Limnonectes doriae in molecular, advertisement call, morphometric, and qualitative morphological characters. On the basis of these multiple lines of evidence, we describe the insular populations in southern Thailand as a new species, Limnonectes pseudodoriae sp. nov. The new species occurs near small streams in low to mid-elevation forests and breeds in terrestrial nests consisting of moist, clay depressions in which the eggs and larvae develop.
A new species in the dicroglossid frog genus Limnonectes is described from Ko Pha-ngan, Ko Samui, and Ko Lanta Yai Islands in southern Thailand. Males of Limnonectes pseudodoriae sp. nov. lack a caruncle on top of the head and very closely resemble L. doriae (Boulenger, 1887) from Myanmar and western and southern Thailand. However, the new species is distinguished from L. doriae and its congeners using an integrative taxonomic approach of morphology, mitochondrial DNA, and bioacoustics. Limnonectes pseudodoriae sp. nov. differs from L. doriae and its congeners by having a unique combination of morphological characters, including body size; skin texture of the interorbital region, dorsum, and shank; toe webbing; relative size of the inner metatarsal tubercle; and coloration of the tympanum, venter, and ova. The advertisement call of the new species is also readily differentiated from that of L. doriae in temporal parameters. Limnonectes pseudodoriae sp. nov. is highly divergent in mitochondrial DNA from L. doriae and its congeners, but its phylogenetic position within the genus is not resolved. The natural history of the new species is presented, and the geographic range of L. doriae in Thailand is clarified. View Full-Text
Keywords: Amphibia; Limnonectes doriae; bioacoustics; mitochondrial DNA; Southeast Asia Amphibia; Limnonectes doriae; bioacoustics; mitochondrial DNA; Southeast Asia
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MDPI and ACS Style

Yodthong, S.; Rujirawan, A.; Stuart, B.L.; Aowphol, A. A New Limnonectes (Anura: Dicroglossidae) from Southern Thailand. Animals 2021, 11, 566. https://doi.org/10.3390/ani11020566

AMA Style

Yodthong S, Rujirawan A, Stuart BL, Aowphol A. A New Limnonectes (Anura: Dicroglossidae) from Southern Thailand. Animals. 2021; 11(2):566. https://doi.org/10.3390/ani11020566

Chicago/Turabian Style

Yodthong, Siriporn, Attapol Rujirawan, Bryan L. Stuart, and Anchalee Aowphol. 2021. "A New Limnonectes (Anura: Dicroglossidae) from Southern Thailand" Animals 11, no. 2: 566. https://doi.org/10.3390/ani11020566

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