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Atlantic herring

SIZE : Up to 44 cm and up to 750 g.

LIFE EXPECTANCY : Up to 25 years.

LIFE CYCLE : Sexual maturity around 4 years.

The reproduction period can be in spring or autumn, depending on the herring population. This fish migrates to the same site for reproduction, along the coast in shallow waters.

The female lays between 10,000 and 60,000 eggs. Once fertilized, the eggs settle on the substrate in the form of sticky ribbons. They hatch in less than 3 weeks, depending on the temperature.

Bubble farts

Herring swallow air at the surface and release it through their anus in the form of bubbles. These farts serve to manage the herring’s buoyancy. Scientists have also observed that these farts become noisy at night, emitting a clicking sound. These could possibly serve as a means of communication. While this has yet to be proven, this discovery has encouraged further research into the noises made by fish and their causes. Farts haven’t made their last bubble.

In the water column, in open seas and near coasts, up to 365 m deep.

Their habitat zones vary. During the day, herring remain in deep waters. At night, they come to the surface to feed.

Atlantic herring live in schools of thousands of fish in cold waters.

Photographie d'un banc de harengs.
Atlantic herring live in schools of thousands of fish in cold waters.
Credit : Jean-Christophe Lemay, photo taken in Twillingate, in 2022.

Herring is a “forage” species, meaning that it serves as food for many marine species. It is therefore particularly important in the ecosystem.

PREYS :

Plankton

 

PREDATORS :

Calmars
Fish
Marine mam-mals
Seabirds

All-you-can-eat buffet

A school of herring of some 4 billion individuals was once observed. It was approximately 4 cubic kilometers in size. Imagine this large, living, moving wall. A feast for predators…

MACHINES : Purse seine, weir, gillnet.

REGULATIONS :

Fishing effort management:

  • Quotas
  • Fishing season outside the reproduction period
  • Regulated fishing zones

Atlantic herring fishing is very important, both economically and socially. It was one of the most widely fished species in Canada. However, certain populations are declining, imposing stricter regulations, such as bans on fishing since 2022.

BENEFITS : 
Herring is an excellent source of protein (approx. 17.5 g per 100 g), vitamins A, B12 and D, as well as Omega-3.

LET’S COOK :
Smooth texture; firmer when smoked. Delicate, white flesh. Fine flavor. Large herring have a more oily flavor. They are full of bones; however, these may be edible, depending on preparation. They can also be easily removed.

This versatile fish can be eaten fresh, smoked, salted, grilled, or marinated. Its roe and its milt can also be eaten.

OUR CULINARY ADVICE :

  • Do not over-cook herring.
  • Better baked, pan-fried, or grilled than steamed or poached.
  • Using other salty foods with smoked herring is not recommended.
  • The eggs become crispy when fried in butter, a real treat.
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