New herpetofaunal records from Gunung Mulu National Park and its surrounding areas in Borneo Author Fukuyama, Ryobu Department of Zoology, Graduate School of Science, Kyoto University, Sakyo, Kyoto 606 - 8502, Japan ryoubuf@gmail.com Author Fukuyama, Ibuki Graduate School of Human and Environmental Studies, Kyoto University, Sakyo, Kyoto 606 - 8501, Japan Author Kurita, Takaki Natural History Museum and Institute Chiba, 955 - 2 Aoba-cho, Chuo-ku, Chiba 260 - 8682, Japan Author Kojima, Yosuke Department of Biology, Toho University, Funabashi-shi, Chiba 274 - 8510, Japan Author Hossman, Mohamad Yazid Research, Development and Innovation Division, Sarawak Forest Department, Kuching 93250, Sarawak, Malaysia Author Noda, Akihiro Department of Zoology, Graduate School of Science, Kyoto University, Sakyo, Kyoto 606 - 8502, Japan Author Nishikawa, Kanto Graduate School of Human and Environmental Studies, Kyoto University, Sakyo, Kyoto 606 - 8501, Japan & Graduate School of Global Environmental Studies, Kyoto University, Yoshida-Honmachi, Sakyo, Kyoto, 606 - 8501, Japan text Herpetozoa 2021 2021-04-09 34 89 96 http://dx.doi.org/10.3897/herpetozoa.34.e63998 journal article http://dx.doi.org/10.3897/herpetozoa.34.e63998 2682-955X-34-89 98160DAFF2FE4342B4E73E5BABDB8077 4949536B93C75DCF839006BC322BBBE7 Asthenodipsas jamilinaisi Quah, Grismer, Lim, Anuar & Imbun, 2019 Fig. 4A Specimens examined. One specimen ( SRC 00866 ) was observed on the Summit Trail between Camps 2 and 3 ( 4°2.28'N , 114°53.16'E , ca. 1,280 m a.s.l. ) in December . Ecological notes. The specimen was found on a shrub, approximately 60 cm above the ground, at 2023 h. Distribution in Borneo. This species has been recorded from the highlands of Sabah (Mt. Trusmadi and Mt. Kinabalu) ( Quah et al. 2019 ). Our observation is the first record from Sarawak and also the southernmost record to date. Figure 4. Snakes with noteworthy distributional records from the Mulu area. A. Asthenodipsas jamilinaisi ; B. Calamaria lumbricoidea ; C. Hebius flavifrons , lying on shrub leaves near Camp 2; D. Lycodon albofuscus ; E. Oligodon signatus ; F. Opisthotropis typica .