Wrasse are beautiful, charismatic fish that play a key role in the ecosystems of Scottish inshore waters. However, as Scottish salmon farmers now look to ‘cleaner fish’ as a way to address the industry’s sea lice problem, rising commercial demand is having potentially catastrophic impacts on wild stocks of wrasse. We take a look at the issue, find out what we know, what we don’t know and what we really should know about the environmental costs of the unprecedented demand for ‘cleaner fish.’ Our research indicates there is a systemic flaw in current fisheries management, which has failed to take precautionary steps to regulate this new fishery.
The sea lice problem
A big commercial concern for salmon farmers is sea lice: natural parasites that biologically weaken the health of salmon by feeding on their flesh and [Read more…]