When it comes to eating fish, many of us have gorged on a decadent salmon, halibut, cod, or mahi-mahi dish, but have you ever heard about tilapia ... US expect Satellite images reveal the reality ...

The blackchin tilapia, native to Africa, has spread to waters in at least 13 Thai provinces, threatening local aquaculture and biodiversity as it preys on smaller fish and shellfish. But how did ...