Fisheries calls for better behaviour after lemonfish dumped at Onerahi foreshore / Tropical and subtropical industrial fisheries account for about 70% of methylmercury fished from the ocean: Study / Invasive fish species dumped in Manitoba lakes disrupting 'very delicate' ecosystems: fisheries manager / Aquaculture overtakes wild fisheries for first time: UN report / Angling fish for food: Study finds recreational fishing accounts for 11% of reported harvest in inland fisheries / Better reservoir management could aid food security and fisheries conservation in US