
Elysia XP Toh
PhD Candidate (co-supervised)
University of Sunshine Coast
elysiatoh[at]u.nus.edu
I am a freshwater ecologist with a research focus on the ecology and conservation of freshwater ecosystems in Southeast Asia. By integrating fieldwork, statistical analysis, and spatial modelling, I seek to understand the ecological patterns and processes that shape these highly threatened ecosystems. My goal is to generate scientific evidence that supports effective conservation and management of freshwater habitats across the region.
Selected publications:
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Zieritz A, Gibbins C, Cai Y, Diba F, Gan LX, Lopes-Lima M, Mendoza JCE, Morse J, Ng TH, Toh EXP, Pfeiffer J, Low BW, Marwoto R, Rahim KAA, Shellman B, Sulaiman Z, Tan ZW, Wowor D, Yusuf NS, Yeo DCJ (2024). Prioritising challenges and actions for freshwater conservation in a tropical biodiversity hotspot. Biological Conservation, 299, 110839. https://doi.org/10.1016/j.biocon.2024.110839
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Tan ZW, Toh EXP, Cai Y, Tan HH & Yeo DCJ (2023) New discovery of Encheloclarias (Teleostei: Clariidae) from Singapore, with notes on morphology and distribution. Raffles Bulletin of Zoology 71: 196–206. https://lkcnhm.nus.edu.sg/wp-content/uploads/sites/10/2023/03/RBZ-2023-0015.pdf
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Toh EXP, Gan LX & Yeo DCJ (2022) A global overview of climate change impacts on freshwater decapods: substantial research gaps across taxa and biogeographic regions. Journal of Crustacean Biology, 42(1): 1–13. https://doi.org/10.1093/jcbiol/ruab088
Media features:
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Biological Brawl: When Nature Dictates the Integrity of the Forest. National Geographic. 9 December 2025. https://ngthai.com/environment/80726/dt-bioblitz/
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Bad weather ahead? Climate change and the Singapore Freshwater Crab. Mandai Nature, 2024. https://www.mandainature.org/en/home/what-we-do/project-map/bad-weather-ahead-climate-change-and-the-singapore-freshwater-crab.html
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Catfish species found for first time in Singapore’s only freshwater swamp. The Straits Times, 13 March 2023. https://www.straitstimes.com/singapore/catfish-species-found-for-first-time-in-singapore-s-only-freshwater-swamp