Biodiversity fears as human-bred hybrid fish integrate into Philippines lake

Escaped flowerhorn cichlids in Lake Sampaloc are causing concern for native species and farmed tilapia

Escaped ornamental aquarium fish have integrated into a local ecosystem in the Philippines, where scientists say they may be threatening biodiversity.

Flowerhorn cichlids – human-bred hybrid fish prized for their bright-gold colour and prominent head humps – are believed to have escaped from breeding facilities into Lake Sampaloc, which sits in a volcanic crater, during a typhoon.

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