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Species Directory

Haddock

Overview Management Resources

Haddock

Melanogrammus aeglefinus

haddock.png
Also Known As
Scrod

Quick Facts

Weight
Between 2 and 7 pounds
Lifespan
10 or more years
Length
1 to 3 feet at maturity
Region
New England/Mid-Atlantic
Fish Watch. U.S. Seafood Facts Logo
haddock.jpg

About The Species

Haddock are found on both sides of the North Atlantic. In the western North Atlantic, they’re found from Newfoundland to Cape May, New Jersey, and are most abundant on Georges Bank and in the Gulf of Maine.

Population Status Icon

Population Level

Above target population levels.

Fishing Status Icon

Fishing Status

At recommended levels.

Habitat Impacts Icon

Habitat Impacts

Area closures and gear restrictions protect habitat that are affected by some kinds of trawl gear.

Bycatch Icon

Bycatch

Regulations are in place to minimize bycatch.

Status

  • According to the 2019 stock assessment, the Georges Bank haddock stock is not overfished and is not subject to overfishing.
  • According to the 2019 stock assessment, the Gulf of Maine haddock stock is not overfished and is not subject to overfishing.

Appearance

  • Haddock are a member of the cod family, but they are smaller than Atlantic cod.
  • They can be distinguished by a black “thumbprint” found on each side of their body.
  • Their skin is also less mottled than cod.

Biology

  • Haddock are a fast-growing species that typically range between 1 and 3 feet long at maturity.
  • They can live for 10 or more years, although NOAA Fisheries scientists typically catch haddock that are between 3 and 7 years old.
  • They generally weigh between 2 and 7 pounds.
  • Haddock begin to reproduce between the ages of 1 and 4 years old and at 10.5 to 11.7 inches long.
  • They spawn between January and June on eastern Georges Bank, to the east of Nantucket Shoals and along the Maine coast over rock, gravel, sand, or mud bottoms.
  • Haddock are very productive. Every year, an average-sized female produces around 850,000 eggs, and larger females can produce up to 3 million eggs.
  • Females release their eggs in batches near the ocean floor, where a courting male fertilizes them.
  • Once fertilized, eggs rise to the surface where they drift with ocean currents.
  • Newly hatched haddock remain near the surface for several months before they settle to the bottom.
  • Haddock feed on a variety of bottom-dwelling animals, including mollusks, worms, crustaceans, sea stars, sea urchins, sand dollars, brittle stars, and occasional fish eggs.
  • Adults sometimes eat small fish, especially herring.
  • Spiny dogfish, skates, and many groundfish species (cod, pollock, cusk, hake, monkfish, halibut, and sea raven) prey on juvenile haddock. Gray seals also prey on haddock.

Where They Live

  • Haddock are found on both sides of the North Atlantic. In the western North Atlantic, they’re found from Newfoundland to Cape May, New Jersey, and are most abundant on Georges Bank and in the Gulf of Maine.

Management

  • There are two stocks of haddock in U.S. waters, the Gulf of Maine and Georges Bank stocks.
  • NOAA Fisheries and the New England Fishery Management Council manage Gulf of Maine haddock; NOAA Fisheries and the New England Fishery Management Council collaborate with Canada to jointly manage Georges Bank haddock, because the stock spans both waters.
  • Haddock, along with other groundfish in New England waters, are managed under the Northeast Multispecies Fishery Management Plan, which includes:
    • Permitting requirements for commercial vessels.
    • Separate management measures for recreational vessels.
    • Time/Area Closures to protect spawning fish and habitat.
    • Minimum fish sizes to prevent harvest of juvenile fish.
    • Annual catch limits, based on best available science.
    • An optional sector (catch share) program can be used for cod and other groundfish species. The sector program allows fishermen to form harvesting cooperatives and work together to decide when, where, and how they harvest fish.

 


Featured News

Northeast Fisheries Science Center fish and wild caught seafood stakeholders and industry partners graphic
Feature Story

Seriously Useful Seafood Tips: Fish and Other Wild-Caught Seafood

New England/Mid-Atlantic
View More News

Related Species

640x427-atlantic-cod.png

Atlantic Cod

640x427-atlantic-pollock.png

Atlantic Pollock

Recreational Fishing Regulations

Commercial Fishing Regulations

Subsistence Fishing Regulations

Management Overview

Haddock is managed under the Northeast Multispecies (Groundfish) Fishery Management Plan along with 12 other species of groundfish. Collectively, these 13 species are referred to as the Northeast multispecies complex. 

Learn more about the Northeast multispecies complex and its management


More Information

  • Northeast Multispecies Complex Group Species Page
  • Northeast Multispecies Fishery Management Plan
  • Northeast Multispecies (Groundfish) Bulletins
  • Northeast Multispecies (Groundfish) Permits

Science Overview

Research & Data

Accuracy and Precision of Fish Ages - Northeast

It is important to ensure consistency in fish ages used in fish population…
January 05, 2021 - Data Set ,
New England/Mid-Atlantic
 Example graph showing test versus production age, where age pairs that agree lie along the main diagonal.

Reference Collections for Age Determination of select Northwest Atlantic Species

The Fishery Biology Program has photographs of our reference collections …
February 28, 2020 - Data Set ,
New England/Mid-Atlantic
 Image of an earstone from a haddock, with dots to show the positions of the winter zones.

Atlantic Red Drum Fishery Harvest or Possession Prohibition Area

This dataset depicts the boundaries of the Atlantic Red Drum Fishery…
PDF Metadata Shapefile
October 07, 2019 - Map ,
New England/Mid-Atlantic
This is the chart for the Atlantic Red Drum Fishery Harvest or Possession Prohibition Area.
View More

Documents

Document

Age Determination Methods for Northwest Atlantic Species

This manual documents age determination techniques used by staff at the Woods Hole Laboratory to…

New England/Mid-Atlantic
More Documents

Data & Maps

Data

Accuracy and Precision of Fish Ages - Northeast

It is important to ensure consistency in fish ages used in fish population assessments. The Fishery…

New England/Mid-Atlantic
Data

Reference Collections for Age Determination of select Northwest Atlantic Species

The Fishery Biology Program has photographs of our reference collections (known-age fish) for…

New England/Mid-Atlantic
Map

United States-Canada Northeast Groundfish Management Areas

New England/Mid-Atlantic
Map

Northeast Groundfish Trimester Total Allowable Catch Areas

New England/Mid-Atlantic
More Data and Maps

Research

Passive Acoustics Research Group News & Media

Our Passive Acoustics Research Group frequently makes the news. This page links to articles and other media featuring our staff and their research.

New England/Mid-Atlantic
Peer-Reviewed Research

Transboundary Resources Assessment Committee Documents

Peer-reviewed stock assessments performed by TRAC, a collaboration between U.S. and Canadian…

New England/Mid-Atlantic

Fish and Invertebrate Acoustic Projects

The Northeast’s Passive Acoustic Research Program works on various projects which focus on identifying spawning grounds and their season duration, acoustic diversity, and ecology. We also evaluate if and how human-made sound sources alter fish and…

New England/Mid-Atlantic
More Research
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