What Sea Lice are ?
Sea lice are a parasite found on fish world wide.
There are two species of sea lice commonly found on cultured salmonids,
- Caligus elongatus Nordmann, which infests over fifty different species of marine fish, and
- Lepeophtheirus salmonis Krøyer, which infests only salmon and closely related species such as rainbow trout.
What effect do sea lice have?
Sea lice are regarded as having the most commercially damaging effect on cultured salmon in the world with major economic losses to the fish farming community resulting each year.
They inflict damage to their hosts through their feeding activity on the host's body. Sea lice affect salmon in a variety of ways; mainly by reducing fish growth; loss of scales which leaves the fish open to secondary infections; and damaging of fish which reduces marketability.
Sea Lice
Sea lice monitoring annual Report
The Marine Institute is charged with carrying out regular inspection of sea lice levels around the country in accordance with the Department of Marine and Natural Resources
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