Haddock vs Cod: Difference and Comparison

Fishes are vertebrates that live in salt or freshwater. There are a large group of fishes present worldwide, around thirty-three thousand. Each fish has a different size, colour, shape, and taste.

Some fish are used commercially. Haddock and codfish are from the same Gadidae family but differ in shape, colour, and taste.

Key Takeaways

  1. Haddock has a thinner, more delicate fillet than cod, with a thicker, firmer texture.
  2. Cod possesses a milder taste, while haddock offers a slightly sweeter and more pronounced flavor.
  3. Haddock displays a distinctive black lateral line and dark spots, whereas cod lacks these markings.

Haddock vs Cod

Haddock is a saltwater fish found in the North Atlantic, reaching 24 inches with a mild, slightly sweet flavour. Cod is a larger fish than haddock, found in both the Atlantic and Pacific oceans, and is a popular food fish in many countries. It is white and flaky, with a mild flavour.

Haddock vs Cod
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Haddock fish is sold on the northern side as cod. The fish can be frozen for up to seven days. Haddock fish live for ten years and become mature in four years.

It can weigh up to seven pounds and has a height of three feet. It reproduces millions of eggs and has high demand in the North Atlantic. It has a light fishery, sweet taste and is best used for smoking, baking, and frying.

On the other hand, cod is a saltwater groundfish that lives for twenty-five years. They can weigh up to 77 pounds and height 51 inches.

It travels to warm water during winter and spring and reproduces eggs yearly. It eats other fishes and is hunted by humans. It has savoury taste and is best used for steaming and grilling.

Comparison Table

Parameters of ComparisonHaddock Cod
Scientific nameMelanogrammus aeglefinusGadus morhua
LifespanTen yearsTwenty-five years
ColourBlack, grey, and silverGreen-brown, grey-brown, and red-brown 
FlavourIt has a Light Sweet flavour.It has a Mild and savoury flavour.
Shape Small to medium size with thin skin and dark lateral linesBigger than haddock with thick skin and light lateral lines

What is Haddock?

Haddock fish is a commercial fish primarily found in the North Sea. Haddock is a medium size fish that looks similar to codfish as it is from the same cod family.

Melanogrammus aeglefinus is its scientific name, and it is commonly called scrod, finnan haddie, and cod. Haddock fish taste sweeter than codfish. It is smoked, fried, or baked like fillets.

Haddock fish live in deep water and also spawn in the deep water. It also lives on the surface for some time.

Haddock fish swim under the deep water, with a depth of 700 to 1500 feet. It searches for small invertebrates. They eat small fishes, sea stars, urchins, crustaceans, molluscs, sand dollars, and eggs.

It is hunted by juveniles like cod, dogfish, stakes, and seals. 

Fishermen use trawl, rod lines, gill net, or longline methods to harvest Haddock fish. It has a black or purple stripe on its back, cited as a devil’s thumbprint, that distinguishes it from other codfish.

Its senses the environment using its dorsal fins, anal fins, and barbel. It lives for over ten years and enters the maturity stage in four years. A female haddock fish lays three million eggs.

It has a height of up to three feet and weighs up to forty pounds. It has multiple proteins, vitamins, and minerals that keep the body healthy. It also tastes more promising than codfish.

haddock

What is Cod?

Codfish is a groundfish from the family of Gadidae. Gadus morhua is its scientific name, commonly called cod or codling fish. Codfish have a variety of species, and the common species are Atlantic cod and Pacific cod.

Every codfish varies in its flavour, and its liver is used to make oil. Cod liver oil has high demand in the Northside market. Codfish liver oil treats depression, heart, liver, and other diseases.

Codfish eat other codfish, haddock, and other small creatures in the sea. Humans hunt them to cook delicious dishes.

Codfish live more than twenty-five years but swim slower than haddock fish in the water. Its skin colour is green-brown, grey-green, or red-brown and has a white underbelly.

It senses the environment with the help of dorsal fins, anal fins, pectoral fins, and barbel under the chin. It can also feel the water’s vibration, pressure, and motion using the white lateral line in the gill slit.

Codfish can spawn in any month, mainly between January to April. They travel to warm water during spawning under a depth of 660 feet.

Female codfish can lay 5 million eggs, but most of the eggs are eaten by other creatures. They get to the maturity stage after eight years. The fish tastes mild and savoury. It is also rich in proteins, fatty acids, and vitamins.

cod

Main Differences Between Haddock and Cod

  1. Haddock is a marine fish that lives in cold water and swims faster than codfish.
  2. Haddock lives for over ten years, and cod live for twenty years.
  3. Codfish spawns in the whole year, but haddock only between January and June.
  4. Haddocks taste sweeter, and cod tastes savoury.
  5. Haddock is smaller in size than codfish.
Difference Between Haddock and Cod
References
  1. https://www.researchgate.net/publication/342411690_Fishing_methods_for_Atlantic_cod_and_haddock_Quality_and_price_versus_costs
  2. https://www.researchgate.net/publication/288000164_Cod_fishes_Gadidae

Last Updated : 13 July, 2023

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