But then a giant freshwater fish arrived ... That means the paiche is eating a lot of fish." Unlike other predatory fish like piranha, it only has small, not particularly sharp teeth.

For instance, Rohu, Katla and Puntius are freshwater fish, while Pomfret, Bombay duck ... In many countries, raw fish is commonly consumed, but given the climate in our region, eating raw fish is not ...

The largest survey of Australia's freshwater fish suggests about one third should be listed as threatened species.