In Brazil, where humans and dolphins fish in tandem, cooperation both within and between species is essential for the longstanding tradition.

Fishing gray mullet A resident casts a fishing net to catch gray mullet in waters on the estuary of a stream in Gangneung, a seaside town in South Korea's northeastern province of Gangwon, on Feb. 26, ...

Red mullet is sold whole and in fillets, both fresh and frozen. Whole fish are usually sold un-prepared. They require trimming, scaling and gutting. Red mullet is best bought from May to November ...

Follow the latest news headlines from Australia's most trusted source. Read in-depth expert analysis and watch live coverage on ABC News.