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Laksono, Wahyu Tri
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A NEW SITE RECORD OF STRIPED ASIAN TREEFROG (AMPHIBIA: RHACOPHORIDAE: Chirixalus trilaksonoi) FROM SUMATRA, WITH REEVALUATION OF ITS CONSERVATION STATUS Herlambang, Alamsyah E. N.; Laksono, Wahyu Tri; Riyanto, Awal; Fauzan, Muhammad Fakhri; Hamidy, Amir
TREUBIA Vol 50, No 2 (2023)
Publisher : National Research and Innovation Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/treubia.v50i2.4677

Abstract

Two of the six Chirixalus species currently known are distributed in Indonesia. Both species are only known to be distributed in Java, and they are Chirixalus trilaksonoi and Chirixalus pantaiselatan. During two field expeditions conducted in 2022 in Palembang, South Sumatra, we encountered several individuals exhibiting morphological similarities to C. trilaksonoi. Subsequent analysis, encompassing molecular, morphological, and bioacoustic, was undertaken to ascertain the identity of these individuals. The analyses outcomes unequivocally confirm that the specimens from Palembang are indeed C. trilaksonoi. Nevertheless, slight variations were observed between the Javanese and Sumatran populations of C. trilaksonoi. These populations exhibited a low genetic distance of 0.6% in mitochondrial DNA and displayed three polymorphic sites. Furthermore, there are slight differences in various morphological characteristics, and in advertising calls. The IUCN red-list status of this species was also evaluated, and based on the available evidence, we propose C. trilaksonoi as Vulnerable according to criteria B1ab(iii). This study stresses the importance of comprehensive taxon studies, especially in neighboring island, and in one biogeographical region.
Co-Authors AMIR HAMIDY Fauzan, Muhammad Fakhri Herlambang, Alamsyah E. N. Riyanto, Awal