Cleaner fish feed on the parasites that live on other fish. Studying communication between cleaner fish and their clients may help employ them in salmon farms, which can be plagued by parasites.
Kevin Berry, University of Alaska Anchorage and Brett Watson, University of Alaska Anchorage
The harvesters of the historic wild salmon run out of Bristol Bay, Alaska, were already facing tough competition from relatively cheap and plentiful farmed salmon. Then came the pandemic.