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CASE STUDY

77% reduction in undersized haddock using Pisces

Collaborators:

BIM, MFV Foyle Warrior

Duration:

March 2020 – May 2020

Location

Celtic Sea

Objective:

Assessment of artificial lights on the Raised Fishing Line (RFL) with a view to enhancing reductions in unwanted catches.

GEAR TYPE:

Demersal trawl

TARGET SPECIES:

Haddock, Whiting, Cod

BYCATCH SPECIES:

Undersized haddock, Dogfish

Technology used:

Project Summary:

Two separate trials were completed with 10 lights mounted 1.5 meters apart on the fishing line. In the first trial, Pisces was pointing towards the trawl mouth and in the second trial,  away from it. A total of 6 hauls were completed for each trial. 

Read BIM’s report here 

Outcome:

  • 77% reduction in undersized haddock when Pisces were pointing upwards and towards the trawl mouth
  • A small reduction in whiting catches occurred when the fishing line was illuminated
  • Haddock displayed a negative reaction to Pisces lights

Project gallery

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