Fisheries Program
Northeast Region
Winter flounder
winter flounder

Winter flounder (Pseudopleuronectes americanus)

Life History

 Winter flounder can live past the age of 12 years, and most mature around the age of three years. They spawn from November through June with those in the northern geographic range spawning later in the year. They spawn in shallow inshore water at night. Females produce from 435,000 to 3 million eggs depending on age and size.


Canada to North Carolina

Fun Facts

  • Winter flounder eyes are located on the right side of the body.
  • Winter flounder are sometimes called halibut.

More Information

Summer and Winter Flounder Species Profiles (pdf - 922KB)

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Last updated: December 16, 2011
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