Atlantic Pollock (Pollachius pollachius) Description

Atlantic Pollock
(Last Updated On: April 13, 2021)

Pollock, Atlantic Pollock or pollack, scientific name Pollachius pollachius is the widespread identify used for both of the two species of North Atlantic marine fish within the genus Pollachius.

Atlantic Pollock profile

Atlantic pollock is a member of the cod family however distinguished from cod by its greenish hue, paler stomach, and brownish inexperienced again.

Atlantic pollock are bigger, barely darker flesh, and has larger oil content material than Alaskan pollock, which is definitely a unique species.

Pollachius pollachius is known as Atlantic Pollock in each North America and the UK, whereas Pollachius virens is often generally known as coley within the British Isles (derived from the older identify coalfish).

Different names for P. pollachius embrace the Atlantic pollock, European pollock, lieu jaune, and lythe; whereas P. virens is often known as Boston blue (distinct from bluefish), silver invoice, or saithe.


The acknowledged species on this genus are:

Pollachius pollachius (Linnaeus, 1758) (pollack)
Pollachius virens (Linnaeus, 1758) (coalfish)


Each species can develop to 105 centimetres (3.44 ft) and might weigh as much as 21 kilograms (46 lb).

P. virens has a strongly outlined, silvery lateral line operating down the edges. Above the lateral line, the color is a greenish-black.

The stomach is white, whereas P. pollachius has a distinctly crooked lateral line, grayish to the golden stomach, and a darkish brown again. P. pollachius additionally has a robust underbite.

It may be present in water as much as 180 meters (98 fathoms; 590 ft) deep over rocks and wherever within the water column. Atlantic Pollock is a whitefish.

Atlantic Pollock can dwell as much as 25 years of age, reaching sexual maturity between four and seven years.

As soon as sexually mature, Atlantic Pollock spawn when their surrounding waters cool to round 8˚C.

This temperature gauge implies that spawning time is an extra variable in its northern than southern vary.

On Canada’s Scotian Shelf spawning happens from September to April and peaks from December to February.

Atlantic Pollock spawn over laborious, stony or rocky bottoms.

The eggs stand up into the water column after being fertilized Juvenile fish dwell in inshore sub-tidal and intertidal zones for greater than 12 months.

At around two years of age, juveniles transfer to deeper water. Adults lastly transfer even additional offshore, inhabiting even deeper waters in spring and summer season than in winter.

Due to its barely gray color, pollock is usually ready, as in Norway, as fried fish balls, or if juvenile-sized, breaded with oatmeal and fried, as in Shetland.

Year old fish are historically cut up, salted, and dried over a peat fireplace in Orkney, the place their texture turns into picket.

The Atlantic Pollock can be salted and smoked and obtain a salmon-like orange color (though it isn’t intently associated with the salmon), as is the case in Germany, the place the fish is usually bought as Seelachs or sea salmon.

In Korea, pollock could also be repeatedly frozen and defrosted to create hwangtae, half-dried to create ko-da-ri, or totally dried and eaten as book-o.

In 2019, South Korea imposed a complete ban on pollock fishing “to assist replenish depleted shares” of the fish.

In 2009, UK grocery store Sainsbury’s briefly renamed pollock colin in a bid to spice up ecofriendly gross sales of the fish as a substitute for cod.

Sainsbury’s, which stated the brand new identity was derived from the French for cooked pollock (colin), launched the product underneath the banner “Colin and chips can save British cod.”

Atlantic Pollock is thought to be a “low-mercury fish”, and a girl weighing 60 kg (130 lb) can safely eat as much as 18 ounces (510 g) per week, and a toddler weighing 20 kg (44 lb) can safely eat as much as 6 ounces (170 g).

So far as the dietary worth of pollock, like salmon, tuna and cod, it’s a good supply of lean protein and low in saturated fats.

Atlantic Pollock is as wholesome a fish selection as cod and tuna besides it’s typically served fried, which might negate the advantage of consuming fish as your protein selection.

Atlantic Pollock

Different fish are known as pollock

One member of the genus Gadus can also be generally known as pollock: the Alaska pollock or walleye pollock (Gadus chalcogrammus), together with the shape generally known as the Norway pollock.

Atlantic Pollock is a family member Gadidae however not members of the genus Pollachius.


Atlantic Pollock is associated with cod and haddock, however, differ in look from others within the cod household by having a pointed snout, a projecting decrease jaw, and a forked somewhat than sq. tail.

This deep-sea fish, sometimes weighing from 2 to 15 kilos (1 to 7 kg), is prolific alongside the coasts of North America and Europe.

Atlantic Pollock has a brownish-green again that fades to yellow-grey after which silver-grey on its stomach.

It may be recognized by a small barbell that extends from the chin of the fish to its whiskers.

It has a reasonably elongated and somewhat skinny body, three dorsal fins and massive eyes.

Thought-about a strongly flavored whitefish, it’s generally used to make fish and chips and imitation crab.

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