The discovery of alien redclaw crayfish in Kwan Phayao has become a major warning for Thailand, with experts cautioning over risks to freshwater ecosystems, local fisheries and the wider Thai economy.

Pov Peung is a farmer in Siem Reap province’s Kralanh district who has traditionally relied on his farmland. Previously, from year to year, he used the land for the sole purpose of growing rice, until 2019, he began to change his habits to try something new.