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Round-nose grenadier

Coryphaenoides rupestris

Method of production - Caught at sea
Capture method - Deep sea trawl
Capture area - North East Atlantic (FAO 27)
Stock area - North Atlantic
Stock detail - All Areas
Accreditation -
Fish type - White round fish

Sustainability rating Click for explaination of rating

This fish, caught by the methods and in the area listed above, is the least sustainable fish to eat and should be avoided. Click on the rating icon above to read more and on the alternatives tab below to find sustainable fish to eat.


Sustainability overview

Roundnose grenadier is slow growing, late to mature, long lived and has low reproductive capacity. They can therefore only sustain low levels of exploitation. They also exhibit aggreating behaviour which makes them vulnerable to exploitation. It is a deep-water species targeted by fisheries that are poorly regulated. It also occupies a habitat that is vulnerable to the impacts of trawling. Avoid eating.

Biology

Roundnose grenadier are a deep-water species found at depths from 180 to 2200 m. Large schools can be formed at 600 to 900 m. They are very slow growing and long-lived, maturing when 9 to 11 years old and reaching a maximum age of around 70 years and maximum size of 110 cm. Spawning occurs between July and October. Roundnose grenadier on the Mid-Atlantic Ridge exhibit aggregating behaviour and are associated with seamounts.

Stock information

Stock area
North Atlantic

View map areas

Stock information
Roundnose grenadier is slow growing, late to mature, long lived and has low reproductive capacity. They can therefore only sustain low levels of exploitation. The state of stocks in these areas is unknown or there is insufficient information to determine reference points. Fisheries for this species should be accompanied by data collection programmes on target and by-catch fisheries, and scientific advice is that the fishery should not be allowed to expand, unless it can be shown that it is sustainable.

Management

We are just updating our information please check back soon.

Capture information

There are generally no directed fisheries for this species in these areas. It is taken as bottom trawl bycatch and in small amounts. Deep-water trawls impact the ocean floor, causing potential to deep-water coral communities. As this fishery is part of a mixed fisheries, effort on roundnose grenadier also impacts other commercial and non-commercial deep-water species.

Read more about capture methods

Alternatives

Based on method of production, fish type, and consumer rating: only fish rated 2 and below are included as an alternative in the list below . Click on a name to show the sustainable options available.

Alaska pollock, Walleye pollock Depending on how and where it's caught this species ranges from sustainable to unsustainable. Click the name to display only the sustainable options.

Basa, Tra, Catfish or Vietnamese River Cobbler Depending on how and where it's caught this species ranges from sustainable to unsustainable. Click the name to display only the sustainable options.

Bass, seabass Depending on how and where it's caught this species ranges from sustainable to unsustainable. Click the name to display only the sustainable options.

Black bream or porgy or seabream

Bream, gilthead Depending on how and where it's caught this species ranges from sustainable to unsustainable. Click the name to display only the sustainable options.

Cod, Atlantic Cod Depending on how and where it's caught this species ranges from sustainable to unsustainable. Click the name to display only the sustainable options.

Coley, Saithe Depending on how and where it's caught this species ranges from sustainable to unsustainable. Click the name to display only the sustainable options.

Haddock Depending on how and where it's caught this species ranges from sustainable to unsustainable. Click the name to display only the sustainable options.

Hake, Cape

Japanese amberjack, Yellowtail or Seriola

Meagre

Pouting or Bib

Sturgeon Depending on how and where it's caught this species ranges from sustainable to unsustainable. Click the name to display only the sustainable options.

Tilapia

Whiting Depending on how and where it's caught this species ranges from sustainable to unsustainable. Click the name to display only the sustainable options.


References
ICES Advice 2012, Book 9

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