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Haddock in Division VIb (Rockall), demersal otter trawl

fish

Melanogrammus aeglefinus

Content last updated
28th Mar 2017

Stock:
Division VIb (Rockall)

Management:
North East Atlantic Fisheries Commission

Overview

Haddock (Melanogrammus aeglefinus) is a widely distributed roundfish that inhabits temperate northern waters at depths ranging from 10 to 450 m, but usually between 10 – 200 m (Muus and Nielsen, 1999). 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 has a maximum age of 20 years old and can reach up to 112 cm in length and 16.8 kg in weight. 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.

The haddock stock at Rockall is a separate stock from that on the continental shelf of the British Isles. It achieves lower growth rates and individuals are of smaller size than other haddock populations in the Northeast Atlantic. Haddock at Rockall are caught by a directed fishery that deploys mainly otter trawls, and as bycatch in demersal trawl and gillnet fisheries. In recent years more than 65% of haddock caught in Rockall has been landed in Scotland (ICES, 2016). Haddock is taken in a mixed fishery together with monk and megrim. Some of the fisheries include substantial catches of blue whiting and non-assessed species such as grey gurnard.

References

ICES. 2016. Report of the Working Group for the Celtic Seas Ecoregion (WGCSE), 4–13 May 2016, Copenhagen, Denmark. ICES CM 2016/ACOM:13. 1343 pp.

Muus, B.J. and J.G. Nielsen, 1999. Sea fish. Scandinavian Fishing Year Book, Hedehusene, Denmark. 340 pp.

Stock Status

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more risk

The status of haddock in Divisions VIb (Rockall) has been scored as moderate risk. This is because the Spawning Biomass is above BMSY values and fishing pressure is between precautionary limits but recruitment has been very low in recent years.

The status of haddock in Divisions VIb (Rockall) has been scored as moderate risk. This is because the Spawning Biomass is above BMSY values and fishing pressure is between precautionary limits but recruitment has been very low in recent years.

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Management

less risk

more risk

The management of haddock in Divisions VIb (Rockall) has been scored as moderate risk. This is because currently there is no agreed management plan. A Total Allowable Catch (TAC) is recommended but only applies to catches in EU waters, and therefore part of the Rockall area which lies in international waters is not subject to restrictions.

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Bycatch

less risk

more risk

The bycatch of this fishery has been scored as high risk. This is because demersal fisheries operating in these areas have very high discards.

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Habitat

less risk

more risk

The habitat risk of this fishery has been scored as high-moderate risk. Although otter trawls are considered to have the potential to cause significant habitat damage, damage to vulnerable and sensitive marine habitats is likely to be mitigated by the fact that the footprint of the fishery is within core areas of historically fished ground. However, spatial management to further reduce potential interactions with vulnerable habitats are being developed, as there remains uncertainties about the location of some sensitive seabed habitats which remain at risk.

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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 no major changes in stock status are anticipated.

Management

Moderate Stable

The management of the stock is likely to remain stable in the future.

Bycatch

High Improving

Bycatch in this fishery is high. However, with the implementation of the landings obligations discards are likely to be reduced in the future.

Habitat

High-moderate Improving

Otter trawls have the potential to affect seabed habitats, but spatial management measures are continuously being developed and will likely reduce the risk.

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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