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Coral ReefFish

Winter Flounder

Pseudopleuronectes americanus

A flat seafloor hunter with both eyes facing up.

Winter Flounder hide in bottom sediment with their eyes exposed. Their dark upper surface helps them blend into the seafloor while they search for small prey.

Find this SeaPal in the card gallery
SeaRealm card featuring Winter Flounder

From field guide to game table

Bring this Winter Flounder home

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1 deck

Quick dive

Creature passport

Home
Northwest Atlantic estuaries and continental shelf waters, from Canada to North Carolina.
Favorite foods
Small bottom animals, including shrimp, clams, and worms.
Size check
Can grow longer than 2 ft (60 cm)

Tell-your-friends facts

Four wonderfully wild things

  1. 1

    Newly hatched larvae have an eye on each side.

  2. 2

    Adults move into bays and estuaries to spawn in winter and spring.

  3. 3

    Their underside is white.

  4. 4

    They hunt by sight during daylight.

Ocean superpower

Built to be amazing

Its left eye moves to the right side as it changes from a larva into a juvenile.

Junior scientist tip

What should I look for?

Look for an oval, flattened body with two eyes on its right side.

Grown-up research links

We used trusted science organizations to check this profile.