‘They ate the shrimp, they even ate the crab’: Thai fishers count the cost of a voracious invader

Huge numbers of blackchin tilapia, a fish native to west Africa, are wreaking havoc among Thailand’s river ecosystems. Experts – and some chefs – are seeking sustainable solutions The menu at Kor-Tae seafood restaurant, in Thailand’s Samut Prakan province, is filled with Thai…

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