Overfishing has reduced fish populations and biodiversity across much of the world’s oceans. In response, fisheries are increasingly reliant on a handful of highly valuable shellfish. However, new research shows this approach to be extremely risky. 

A new study argues that for fisheries policies to be effective they must take in to account not just fish stock conservation and environmental issues, but also research data on the patterns and dynamics of fish trade, markets and user consumption.

Students at the University of Essex have taken their lectures to a whole new level -- 18 metres under the sea in remote Indonesia to be precise.