Tim Dempster | Contributor

Tim Dempster is a professor of marine biology and aquaculture and leads the Sustainable Aquaculture Laboratory – Temperate and Tropical (SALTT) at Deakin University, Australia. The lab targets problems, works to understand them, then tests innovative techniques and technologies to solve some of the big issues in modern aquaculture. We construct approaches that have best chance of practical effect, and can be scaled-up to be used on farms.

The rise and fall of cleaner fish: lessons for the salmon aquaculture industry

Atlantic Salmon Cleaner fish Lumpfish

6 May 2026

Cleaner fish were widely adopted as a “natural” solution to sea lice in salmon aquaculture, but large-scale evidence now shows inconsistent efficacy, poor welfare, and high mortality. Our recently published review argues that cleaner fish use…

February 2023

12 ways aquaculture can benefit the environment

Restorative aquaculture Bivalves Cnidaria

23 February 2023

Globally, aquatic ecosystems face escalating impacts, with widespread losses of biodiversity and habitats. Although aquaculture can contribute to these impacts – by creating pollution, damaging…

December 2022

A sustainable future for aquaculture means juggling environmental and animal welfare goals

Atlantic Salmon Cleaner fish Lumpfish

9 December 2022

The environmental impacts of aquaculture are often in the spotlight. The need for sustainable practices is now firmly embedded in the minds of the public, governments and industry – but this…