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Haddock in the Celtic Sea and West of Ireland, Demersal otter trawl

fish

Melanogrammus aeglefinus

Content last updated
6th Oct 2017

Stock:
Haddock in ICES Divisions 7b-k Celtic Sea and West of Ireland

Management:
EU

Overview

Haddock (Melanogrammus aeglefinus) is a widely distributed roundfish that inhabits the temperate waters of the Northeast and Northwest Atlantic at depths ranging from 10 to 450 m. In the Northeast Atlantic, haddock are distributed from the Bay of Biscay to Spitzbergen, the Barents Sea to Novaya Zemlya and around Iceland to southern Greenland. This species is found in the highest abundances over rock, sand, gravel or shell habitats usually at temperatures between 4° and 10°C. Females mature at two years of age and spawn a series of egg batches throughout the spawning season, which occurs in spring. Few haddock are recorded beyond 10 years of age in the Celtic Sea and off the west of Ireland. They feed mainly on small bottom-living organisms including crustaceans, molluscs, echinoderms, worms and fishes; and they are preyed on by other fish, marine mammals and sea birds.

 

Catches of haddock in the southern Celtic Sea and Wester of Ireland usually form part of mixed fishery along with whiting (Merlangius merlangus) and Atlantic cod (Gadus morhua) in demersal otter trawls and seine nets. Approximately 13 800 tonnes of haddock per year were caught and landed in mixed demersal fisheries between 2012 and 2014.

Stock Status

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The status of the haddock stock in Division VII b-k has been scored a moderate risk. This is because spawning stock biomass has remained above the recommended level (MSYBtrigger) since 1996 and fishing mortality has been above the target rate (FMSY) giving maximum sustainable yield since 1993. Spawning stock biomass is fluctuating at approximately 20% of its peak levels in 2011 following a period of rapid decline between 2011 and 2014 due to below-average recruitment. Consequently, this stock is harvested above the target rate but is not suffering from reduced reproductive capacity.

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Management

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The management of haddock in the Celtic Sea (ICES Divisions 7 b-k) has been scored a moderate risk. This is because management decisions are informed by an annual stock assessment, and a comprehensive regulatory framework has been put in place.

However, there is a high and variable rate of discarding of both juvenile and adult haddock from this stock and measures to increase selectivity do not appear to be effective, although efforts are being made to improve this situation. Management controls in the form of TACs are derived from an analytical stock assessment, known to be precautionary. In recent years catches have exceeded those specified by scientific advice, although controls have been effective in maintaining spawning stock biomass above recommended levels (MSY Btrigger) but not in decreasing fishing mortality to the value giving maximum sustainable yield (FMSY).

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Bycatch

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The bycatch of this fishery has been scored a high risk. This is because discarding of haddock is estimated to be high at around 34% of total international catch weight between 2011 and 2013, and bycatches of non-target species in the demersal otter trawl fleet can make up a relatively high proportion of catch weight. Demersal otter trawls have the potential to take bycatches of protected, endangered and threatened (PET) species in certain circumstances.

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Habitat

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The habitat impact of the demersal otter fishery for haddock in Division 7 b-k has been scored a high risk. This is because demersal otter trawls interact with seabed habitats resulting in abrasion and penetration from ground gear, sweeps and bridles. A number of areas permanently or seasonally closed to fishing have been established in this Division.

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Outlook

Type Current Risk Status Outlook Reason

Stock

Moderate Stable

The status of the stock is likely to remain stable in the future given that spawning stock biomass increased over the last year following a period of rapid decrease between 2011 and 2013. Fishing mortality has been above the target rate since 1993. Spawning stock biomass is above the recommended level and fishing mortality remains above the value giving maximum sustainable yield.

Management

Moderate Stable

The management of the stock is likely to remain stable in the future. The EU Common Fisheries Policy is going through reform and there is some uncertainty on how this will impact fisheries management in the Celtic Sea. Improvements in the assessment methods using mixed fisheries assessessments will improve advice to management

Bycatch

Bycatch Improving

The bycatch impact of the fishery is likely to improve in the future. Technical and spatial management measures are continuously under development and will likely reduce the risk further.

Habitat

High Improving

The habitat impact of the fishery is likely to improve in the future. Technical and spatial management measures are under development and will likely reduce the risk further.

Nutritional Information

 
Energy
75 (kcal)
4%*
LOW
Fat
0.4 (g)
1%*
LOW
Saturates
0.1 (g)
1%*
LOW
Sugar
0 (g)
0%*
LOW
Salt
0.17 (g)
3%*

*per 100 g

Nutritional information from 100g raw product

Rich in Omega-3 | Protein | Niacin | Vitamin B12 | Selenium | Iodine

Good Source Of Vitamin B6 | Potassium | Phosphorus

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