A New Species of Frog (Anura: Dicroglossidae) Discovered from the Mega City of Dhaka

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Howlader , M S A , Nair , A & Merilä , J 2016 , ' A New Species of Frog (Anura: Dicroglossidae) Discovered from the Mega City of Dhaka ' , PLoS One , vol. 11 , no. 3 , 0149597 . https://doi.org/10.1371/journal.pone.0149597

Title: A New Species of Frog (Anura: Dicroglossidae) Discovered from the Mega City of Dhaka
Author: Howlader, Mohammad Sajid Ali; Nair, Abhilash; Merilä, Juha
Contributor: University of Helsinki, Ecology and Evolutionary Biology
University of Helsinki, Biosciences
University of Helsinki, Biosciences
Date: 2016-03-02
Language: eng
Number of pages: 23
Belongs to series: PLoS One
ISSN: 1932-6203
URI: http://hdl.handle.net/10138/166064
Abstract: We describe a new species of frog of the genus Zakerana discovered from the urban core of Dhaka, Bangladesh, one of the most densely populated cities in the world. Although the new species is morphologically similar to the geographically proximate congeners in the Bangladeshi cricket frog group, we show that it can be distinguished from all congeners on the basis of morphological characters, advertisement calls and variation in two mitochondrial DNA genes (12S rRNA and 16S rRNA). Apart from several diagnostic differences in body proportions, the new species differs from other Zakerana species in having a flattened snout (from ventral view) projecting over the lower jaw, and diagnostic trapezoid-shaped red markings on the vocal sac in males. Molecular genetic analyses show that the new species is highly divergent (3.1-20.1% sequence divergence) from all congeneric species, and forms a well-supported clade with its sister species, Zakerana asmati. The discovery of a new amphibian species from the urban core of Dhaka together with several recent descriptions of new amphibian species from Bangladesh may indicate that more amphibian species remain to be discovered from this country.
Subject: FEJERVARYA-LIMNOCHARIS COMPLEX
ADVERTISEMENT CALL
WESTERN MADAGASCAR
CONSERVATION
BANGLADESH
BIODIVERSITY
INDIA
AMPHIBIANS
RANIDAE
RHACOPHORIDAE
1172 Environmental sciences
1181 Ecology, evolutionary biology
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