What is Pollock? Unveiling the Secrets of This Popular Fish

Maya Brown

December 21, 2023

Fishes

Ever found yourself browsing the seafood aisle and pondering – what is pollock? Well, you’re in for an aquatic treat! This is the unsung hero of the marine world, often overshadowed by its flashier cousins. But don’t be fooled – this creature has secrets worth spilling. So, let’s unravel the mystery of this popular yet often underappreciated sea dweller.

What Is Pollock Fish? How Many Species Are From This Aquatic Family?

Pollock is the common name for two interesting fish species that call the North Atlantic their home. We’ve got two main players – the Atlantic pollock (Pollachius pollachius) and its cousin, the saithe or coley (Pollachius virens). These fish are part of the Gadidae family, which includes favorites like cod, haddock, and whiting. Here’s the scientific classification:

Kingdom Animalia
Phylum Chordata
Class Actinopterygii
Order Gadiformes
Family Gadidae
Genus Pollachius

The members of the Gadidae family are not exactly giants, but they’re not tiny either. You can spot them by their trio of dorsal fins riding high on their backs and a couple of anal fins hanging out underneath. Also, they’ve got barbels on their chins, like sea-floor detectives using them to sniff out their next meal.

What Is Alaskan Pollock? How Does It Fit Into the Picture?

This one’s a bit different – officially called the Alaska or walleye pollock (Gadus chalcogrammus). It’s also part of the cod squad, belonging to the Gadidae family. But here’s the twist. It’s more closely related to the cod fish we all know and love, and it primarily inhabits the North Pacific. So, while it shares the family name, it’s got its own unique thing going on in the cold waters of the Pacific.

Codfish swimming in an aquarium
Cod is a close relative to this species, and they share some common characteristics

How to Recognize This Fish From the Rest of the Aquatic Crowd

Like other members of the Gadidae family, they sport three dorsal fins and a pair of anal fins. But how can you tell them apart from their relatives? Well, they have this flashy, silvery line zipping down their sides. It’s the lateral line, and it’s a bit more crooked on the Atlantic pollock than on the coley.

The Atlantic pollock also rocks a strong underbite, giving it a tough-guy look. And above the lateral line, they flaunt a cool greenish color while their bellies play it cool in white or a touch of gray.

How Big Can They Get?

Now, let’s talk about size. Both species can stretch up to 4 feet 3 inches (130 centimeters), which is no small feat. The coley can pack up to a hefty 71 pounds (32 kg), while its closest relative isn’t too far behind, with the potential to tip the scales at around 40 pounds (18 kg). So, these guys are not the small fry of the sea!

The Atlantic pollock in the water
This species is mid-sized, but some individuals reach impressive sizes

Favorite Spots to Lurk In – Natural Habitat and Geographical Distribution

Both fish species are true North Atlantic natives. The Atlantic pollock is common in North American and UK waters, while the coley mainly hangs around the British Isles. These creatures prefer the chill of cool to cold waters and have a wide range of preferred habitats.

The young ones like to stick close to the shore, hiding among the rocks to dodge predators. But as they grow up, they hit the open ocean, reaching considerable depths. They can be found as deep as 600 feet (180 meters), whether rock-hugging at the bottom or cruising through open water.

What Kind of Fish Is Pollock? Are They Loners or Exhibit Schooling Behavior?

These fish are the social butterflies of the sea. As they mature from their juvenile stage, they venture deeper into the ocean, finding strength in numbers by forming schools. And while they do have a bit of wanderlust during the breeding season, these fish are loyal to their home turf. All in all, in the grand scheme of things, they are all about community living and keeping close to their oceanic neighborhoods. All throughout their 25-year-long lifespan.

Pollock in the Ecosystem – Diet, Threats, and the Impact of Environmental Changes

These fish are carnivorous, munching on various marine critters throughout their lives. But here’s a fun fact – their menu changes as they grow up. The youngsters start off easy, snacking on plankton, krill, and small invertebrates. But when they hit their growth spurt, the adults like to feast on:

  • Small fish,
  • Crustaceans,
  • Squid,
  • Herring,
  • Sand eels.

Do Any Predators and Threats Lurk in the Ocean?

These fish might be predators, but they’re not always at the top of the food chain. Several ocean dwellers fancy them as a meal:

Halibut Big, flat fish known for their massive size
Cod Close relatives but more predatory in nature
Sablefish Sleek, deep-water fish
Steller Sea Lions Marine mammals that love a good fish feast

The Impact of Environmental Changes on Their Populations

Now, the biggest threat of this fish? That’s us, humans. Alaskan pollocks are edging towards the “Near Threatened” category because we love them a bit too much in commercial trade. But it’s a different story for their cousins in the Northeastern Atlantic – they are rarely found on the end of the fishing line, so their populations are doing just fine.

Overall, they are listed as “Least Concern” on the IUCN’s Red List. Sure, they get caught as bycatch in landing nets sometimes, but it’s not a big hit to their numbers. Still, it’s a reminder to keep our fishing sustainable, employing catch and release whenever possible so that these marine gems don’t end up as their cousins.

Ranger checking fisherman license
Licenses and regulations are put into place to preserve these fascinating creatures

Landing These Marine Gems – How to Catch Pollock?

Fishing for these creatures is catching on as a fun alternative for those who usually chase groundfish like cod and haddock. Both seasoned pros and beginner anglers are getting hooked on the lively tussle these fish put up. The cool part? You can go after them any time of the year – whether it’s the crisp fall season or even a chilly winter. The key times are dawn and dusk because that’s when they’re most likely to bite.

The Most Effective Techniques You Should Use

Whether you’re casting off from a fishing boat or casting your line from the shore, these fish are within reach. Boat anglers often find success trolling or jigging in deeper waters, where this species loves to hang out. Shore fishermen aren’t left out, either. Casting from piers or rocky coastlines can yield some impressive catches. With the right fishing technique and patience, you could land yourself a fine specimen.

How to Find the Perfect Spot to Cast Your Line

Pollock has a thing for rocky hideouts, so if you’re after these guys, be ready to navigate some cliffs and ledges. And don’t forget about the tides. They can be a trusted partner in this quest. A stronger tide can bring your target closer to you. However, you might need to tweak the weight of your lure to keep it from drifting away.

As for the depth, those fishing on a boat should aim for around 65 feet (20 meters) of depth. On the other hand, shore-based anglers should find deeper spots or time their trips with the high tide to bring these elusive fish within the catch.

The Equipment Needed to Land Your Catch

When it comes to artificial lures, pollock can’t resist a good sand eel or black minnow imitation. These fish are notorious for grabbing their prey and diving deep, so gear up accordingly. A solid fishing rod and a reliable spinning reel are must-haves to keep up with their strength. And let’s talk about boots. Not just any boots, but sturdy ones that provide good ankle support and keep you grounded. You don’t want to end up taking an unexpected swim with your catch!

Fishing tackle on a wooden table
It's always best to have a wide range of pieces on hand

Pollock in the Seafood Industry – What Are the Major Fisheries?

This species plays a big role in the seafood industry, and managing their fisheries is a team effort. NOAA Fisheries, along with the New England Fishery Management Council, oversees the industrial use of this species.

These fish are primarily caught using methods like trawl nets, gillnets, bottom longlines, and even the traditional fishing rod and reel. Fishermen are guided by measures aimed at minimizing the impact of this endeavor. This includes gear modifications, setting up seasonal closures, and implementing marine mammal deterrents.

Sustainable Practices Are Key to Preserving the Versatility of Our Aquatic Friends

It’s not just about catching these fascinating creatures. It’s about making sure we can keep catching them for years to come. This means managing fish populations carefully, protecting their habitats, and being mindful of the broader marine ecosystem. It’s all about enjoying this versatile fish today while ensuring future generations can do the same.

What Can You Expect From Pollock Once This Fish Ends Up on Your Plate?

Once this marine wonder lands on your plate, you’re in for a treat. This fish, part of the whitefish category alongside Atlantic cod, whiting, haddock, hake, and others, is a staple in many dishes you might already love.

For example, did you know that pollock is the star ingredient in McDonald’s Fillet-O-Fish sandwiches, a key player in fish sticks, and even masquerades as imitation crab meat? All in all, it’s a versatile fish that pops up in a surprising number of everyday seafood products.

What Is the Nutritional Value of Pollock?

This fish isn’t just tasty – it’s also packed with nutrients. This fish stands out as a sustainable and budget-friendly alternative to other whitefish. It’s like the tuna or salmon of the whitefish world, loaded with protein and low in saturated fat. Plus, it’s light on calories. Here’s a rundown of the nutritional powerhouses you can find:

Vitamin A Important for vision and skin health
Vitamin B12 Essential for brain health and metabolism
Phosphorus Good for bone health
Selenium Boosts the immune system
Calcium Strengthens bones and teeth
Iron Vital for healthy blood
Magnesium Supports muscle and nerve function
Potassium Helps regulate blood pressure
Sodium Balances fluids in the body
Zinc Aids in wound healing and immune function

Pollock’s nutritional profile brings a host of health benefits. It’s great for your heart, thanks to its anti-inflammatory properties and low-fat content. The nutrients also support weight management, fertility, and brain function. Plus, the fish may even play a role in reducing the risk of certain types of cancer. In short, they are not just good for your taste buds but for your whole body.

A person gutting the fish
Implementing this fish into your diet brings plenty of benefits

From Ocean Depths to Dinner Plates, Our Aquatic Journey Is Complete

As we wrap up our deep dive, it’s clear that this fish is more than just a menu item. Pollock plays a pivotal role in both the ecosystem and our diets. So, next time you bite into that crispy fish stick or savor a seafood dish, remember the incredible journey of this aquatic creature – a true marvel of the marine world!