Earth and Environmental Sciences

By Sara Elliott  

Some farmed fish are snubbing commercial fish food pellets in favour of naturally and freely available microscopic organisms and invertebrates.   

That is according to PhD candidate Dennis Otieno’s study which showed farmed tilapia in net-pen cages in Kenya were not significantly consuming the provisioned commercial fish feed – one of the highest costs of production. 

By Sara Elliott

Nigel Hussey’s shark research takes him around the world where he sees first-hand the critical nature of conservation work.  

Now, as part of a massive international study looking at the movement of threatened, large marine animals, he says we can see the harsh reality of global marine conservation.  

“The study shows we’re not protecting habitat for key functions for these species,” he says.