Academic journals, books and newspapers
Brook, B. W., Sodhi, N. S., & Ng, P. K. L. (2003). Catastrophic extinctions follow deforestation in Singapore. Nature, 424, 420–423.
Chua, G. (2015). Endangered crab to get help to make babies. The Straits Times. Retrieved from http://www.straitstimes.com/singapore/environment/endangered-crab-to-get-help-to-make-babies
Chua, K. W. J., Ng, D. J. J., Zeng, N. Y., & Yeo, D. C. J. (2015). Habitat characteristics of tropical rainforest freshwater crabs (decapoda: brachyura: potamidae, gecarcinucidae) in Singapore. Journal of Crustacean Biology, 35(4), 533-539.
Chua, K. W. J., Ng, D. J. J., Zeng, N. Y., & Yeo, D. C. J. (2015). In situ observations of mating behaviour of the Singapore freshwater crab Johora singaporensis (Crustacea: Brachyura: Potamidae). Nature in Singapore, 7, 117–120.
Clayton, S., & Myers, G. (2009). Conservation psychology: Understanding and promoting human care for nature. Oxford, UK: Wiley-Blackwell.
Cumberlidge, N., Ng, P. K. L., Yeo, D. C. J., Magalhaes, C., Campos, M. R., Alvarez, F., … Ram, M. (2009). Freshwater crabs and the biodiversity crisis: Importance, threats, status, and conservation challenges. Biological Conservation, 142, 1665–1673.
Ee, D., (2013, June 15). That uniquely Singaporean crab disappearing fast. The Straits Times. Retrieved from http://www.straitstimes.com/singapore/that-uniquely-singaporean-crab-disappearing-fast
Gardner G.T. & Stern P.C. (2002). Environmental problems and human behavior. Boston, MA. Pearson.
Gunasingham, A. (2009, August 8). Freshwater crabs face extinction: Threats to their habitats worldwide, including here, are killing off species. The Straits Times. Retrieved from http://newshub.nus.edu.sg/news/0908/PDF/CRABS-st-8Aug-pD11.pdf
Li, T. J., Lim, W. H., & Cai, Y. (2015). A new locality of the Singapore freshwater crab Johora singaporensis (Crustacea: Brachyura: Potamidae) in the Bukit Timah nature reserve. Nature in Singapore, 8, 53-56
Luz, S., & Ramani, V. (2016, September 30). Protecting diversity in Singapore and Southeast Asia. The Straits Times. Retrieved from http://www.straitstimes.com/singapore/environment/protecting-biodiversity-in-spore-and-s-e-asia
Kellert, S. R. (1976). Perceptions of animals in American society. Transactions of the 41st North American Wildlife and Natural Resources Conference, Wildlife Management Office, 533-546. Washington, D.C.
Kellert, S. R. (1984). American attitudes toward and knowledge of animals: An update. Humane Society Institute for Science and Policy: Animal Studies Repository. Retrieved from https://research.ncsu.edu/ges/files/2014/03/Kellert1984_AttitudesUpdate.pdf
Kellert, S. R. (1996). The value of life: biological diversity and human society. Washington, DC: Island Press.
Khew, C. (2015, June 22). Plan to save Singapore freshwater crab from extinction. The Straits Times. Retrieved from http://www.straitstimes.com/singapore/environment/plan-to-save-singapore-freshwater-crab-from-extinction
Ng, D. J. J., McGowan, P. J. K, Raghavan, R., Cai, Y., Cumberlidge, N., Davison, G., … Yeo, D. C. J. (2015). Conservation strategy for the Singapore freshwater crab: Johora Singaporensis. Retrieved from https://www.nparks.gov.sg/~/media/nparks-real-content/biodiversity/programmes-and-initiatives/conservation_strategy_johora.pdf?la=en
Ng, D. J. J., & Yeo, D. C. J. (2013). Terrestrial scavenging behaviour of the Singapore freshwater crab, Johora Singaporensis (Crustacea: Brachyura: Potamidae). Nature in Singapore, 6, 207–210. Retrieved from http://lkcnhm.nus.edu.sg/nis/bulletin2013/2013nis207-210.pdf
Ng, D. J. J., Yeo, D. C. J., Sivasothi, N., & Ng, P. K. L. (2015). Conservation challenges and action for the critically endangered Singapore freshwater crab Johora singaporensis. Oryx, 49(2), 345–351.
Tan, A. (2016, February 18). Cross island line: Why our forests are worth safeguarding? The Straits Times. Retrieved from http://www.straitstimes.com/opinion/why-our-forests-are-worth-safeguarding
Yeo, D. C. J., Luz, S., Cai, Y., Cumberlidge, N., McGowan, P. J. K., Ng, D. J. J., Raghavan, R., & Davison, G. W. H. Conservation first: Strategic planning to save the critically endangered Singapore Freshwater Crab, Johora singaporensis. In Kawai, T., & Cumberlidge, N (Eds.), A global overview of the conservation of freshwater decapod crustaceans.
Websites
International Union for Conservation of Nature and Natural Resources (2017). Johora singaporensis. Retrieved from http://www.iucnredlist.org/details/134219/0
Land Transport Authority. (2016). Cross island line C1001: Final site investigation environmental impact assessment. Retrieved from https://www.lta.gov.sg/content/dam/ltaweb/corp/PublicTransport/files/Final%20SI%20EIA%20Executive%20Summary.pdf
National Parks. (2015). Singapore freshwater crab: research. Retrieved from https://www.nparks.gov.sg/biodiversity/community-in-nature-initiative/singapore-freshwater-crab
National Parks. (2017). NParks Festival of biodiversity. Retrieved from https://www.nparks.gov.sg/festivalofbiodiversity
Walker, M. (2009). Freshwater crabs ‘feel the pinch’. Retrieved from http://news.bbc.co.uk/earth/hi/earth_news/newsid_8171000/8171268.stm
Wildlife Reserve Singapore (2014). Experts aim to save one of Singapore’s most threatened unique species at inaugural roundtable on freshwater crab conservation. Retrieved from https://wrscomsg.wordpress.com/tag/singapore-freshwater-crab/
Media and photographs (Gallery images’s references which cannot be included in the hover, permission are obtained)
Cai, Y. (2011). Parathelphusa reticulata [Image]. Retrieved from https://www.flickr.com/photos/tiomanese/9665417406/in/photolist-fJ6MRG
Choy, H. W. (2001). Johora singaporensis [Header Image]. Retrieved from http://www.hexazona.com/images/ichthys3000/Johora%20singaporensis%2001%20RM_.jpg
Choy, H. W. (2001). Parathelphusa maculata [Image]. Retrieved from http://www.hexazona.com/images/ichthys3000/Parathelphusa%20maculata%2001%20RM_.jpg
Choy, H. W. (2003). Irmengardia johnsoni [Image]. Retrieved from http://www.hexazona.com/images/ichthys3000/Irmengardia%20johnsoni%2003%20RM_.jp
Ng, D. (2014). Singapore freshwater crab [Image]. Retrieved from https://wrscomsg.files.wordpress.com/2014/03/johora-singaporensis-daniel-ng1.jpg