Evidence of farmed wrasse picking sea-lice were captured within 20h of cohabitation between (1) Atlantic salmon infected with sea-lice (adult Lepeophtheirus salmonis) and (2) farmed ballan wrasse not previously exposed to sea-lice.
A total of 65 parasitic sea-lice were presented and cleared within 20h.
54 lice were recovered as gut content at the end of the experiment.
Water temperature was 7C
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