The Siren Seafood Guide
Species Profile · Alaska, West Coast Fishery

Arrowtooth Flounder

Atheresthes stomias

Also known as Flounder, Arrowtooth halibut, Turbot, Paltus

Culinary Profile

Mild, sweet flavor.

Delicate.

Flounder is a good, low-fat source of B vitamins and niacin.

Gastronomic Specifications

Taste Mild, sweet flavor
Texture Delicate
Color Red
Energy 91 kcal / 100g

Biology & Habitat

Appearance

Arrowtooth flounder are a relatively large, brownish colored flatfish with a large mouth. They’re members of the family Pleuronectidae , the right-eyed flounders, which have both eyes on the right side and lie on the ocean floor on their left side.

Biology

Arrowtooth flounder grow slowly and can live up to 27 years. Males can reach 2 feet in length, and females grow a bit larger, up to almost 3 feet. Males sexually mature when they reach 3 to 7 years old, and females are able to reproduce when they reach 4 to 8 years old. Spawning season varies by location: Off the West Coast from late fall through early spring. In the Gulf of Alaska during spring and summer.

Where They Live

Range Arrowtooth flounder are found from Northern California through the Bering Sea. Habitat Juvenile and adult arrowtooth flounder live on the ocean floor. They’re most commonly found on sand or sandy gravel habitat and occasionally over low-relief rock-sponge bottoms. During the summer, arrowtooth flounder feed in shallow water on the continental shelf.

How to Buy & Source

Availability

Year-round.

Source

U.S. wild-caught from Alaska to California.

Commercial Fishery & Harvest

In 2024, commercial landings of arrowtooth flounder totaled 58 million pounds and were valued at $7.7 million, according to the NOAA Fisheries commercial fishing landings database . Although arrowtooth flounder are a low-value fish, fishermen have been retaining more of the arrowtooth they catch—up to about 80 percent in Alaska. Catches have been higher because arrowtooth flounder are more abundant, resulting in higher incidental catch in other fisheries, in addition to increased marketing efforts for arrowtooth fish meal and surimi. Gear types, habitat impacts, and bycatch: Bottom trawl gear is used to catch arrowtooth flounder. In general, arrowtooth flounder live on sandy or sand/gravel habitats.

Nutritional Benchmarking Across 106 Species

Where Arrowtooth Flounder ranks against the rest of the catalogue on each of USDA FoodData Central's per-100 g nutrient measures.

Nutrient Value Rank Percentile
Selenium 45.6 µg 14 / 106 87%
Vitamin D 4.7 IU 20 / 54 63%
Phosphorus 236 mg 26 / 111 77%
Protein 18.56 g 53 / 111 52%
Choline 61.8 mg 58 / 65 11%
Omega-3 DHA 128 mg 68 / 104 35%
Omega-3 EPA 66 mg 72 / 104 31%
Vitamin B12 1.1 µg 88 / 106 17%
Zinc 0.36 mg 96 / 111 14%
Iron 0.16 mg 110 / 111 1%

Other Alaska Fisheries

Sustainable species managed out of the same regional fishery council as Arrowtooth Flounder.

Similar by Flavour: Other Mild-Tasting Species

If you enjoy the mild flavour profile of Arrowtooth Flounder, these other species in the catalogue will feel familiar on the palate.

Frequently Asked Questions

How long do Arrowtooth Flounder live?

Live up to 27 years.

Who manages the Arrowtooth Flounder fishery?

NOAA Fisheries and the North Pacific Fishery Management Council manage the arrowtooth flounder fishery in Alaska. Managed under the Gulf of Alaska and Bering Sea/Aleutian Islands Groundfish Fishery Management Plans: Arrowtooth flounder are included in these fishery management plans because of their importance to the ecosystem (it’s a very abundant flatfish and an important part of the food chain a…

What does Arrowtooth Flounder eat?

Arrowtooth flounder grow slowly and can live up to 27 years. Males can reach 2 feet in length, and females grow a bit larger, up to almost 3 feet. Males sexually mature when they reach 3 to 7 years old, and females are able to reproduce when they reach 4 to 8 years old. Spawning season varies by location: Off the West Coast from late fall through early spring.

How much choline does Arrowtooth Flounder contain?

A 100 g raw serving of Arrowtooth Flounder supplies 61.8 mg of choline, around 11% of the 550 mg daily value — notable for prenatal and liver-health contexts.

How does Arrowtooth Flounder reproduce?

Arrowtooth flounder grow slowly and can live up to 27 years. Males can reach 2 feet in length, and females grow a bit larger, up to almost 3 feet. Males sexually mature when they reach 3 to 7 years old, and females are able to reproduce when they reach 4 to 8 years old. Spawning season varies by location: Off the West Coast from late fall through early spring.

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Sustainability Story

Not Overfished Stocks Stable Smart Choice

U.S. wild-caught arrowtooth flounder is a smart seafood choice because it is sustainably managed and responsibly harvested under U.S. regulations.

Stock Structure

There are three stocks of arrowtooth flounder: Bering Sea/Aleutian Islands, Gulf of Alaska, and Pacific coast. According to the most recent stock assessments: The Bering Sea/Aleutian Islands stock is not overfished (2022 stock assessment) and not subject to overfishing based on 2024 catch data. Summary stock assessment information can be found on Stock SMART .

Population

The stocks are not overfished.

Fishing Rate

Not subject to overfishing.

Habitat Impacts

Area closures and gear restrictions protect habitats affected by some types of fishing gear used to harvest arrowtooth flounder.

Bycatch

Regulations are in place to minimize bycatch.

Management

NOAA Fisheries and the North Pacific Fishery Management Council manage the arrowtooth flounder fishery in Alaska. Managed under the Gulf of Alaska and Bering Sea/Aleutian Islands Groundfish Fishery Management Plans: Arrowtooth flounder are included in these fishery management plans because of their importance to the ecosystem (it’s a very abundant flatfish and an important part…

Data Source: NOAA Fisheries

Nutritional Profile

per 100 g raw edible portion · 22 values

Energy

Calories 91 kcal

Macronutrients

Protein 18.56 g 37% DV
Total Fat 1.33 g 2% DV
Saturated Fat 0.29 g 1% DV
Monounsaturated Fat 0.47 g
Polyunsaturated Fat 0.29 g
Cholesterol 49 mg 16% DV

Omega-3 Fatty Acids

EPA (20:5 n-3) 66 mg
DHA (22:6 n-3) 128 mg
ALA (18:3 n-3) 11 mg

Vitamins

Vitamin D 4.7 IU 1% DV
Vitamin B12 1.1 µg 46% DV
Vitamin A 67 IU 2% DV

Minerals

Selenium 45.6 µg 83% DV
Choline 61.8 mg 11% DV
Phosphorus 236 mg 19% DV
Potassium 435 mg 9% DV
Magnesium 23 mg 5% DV
Calcium 7 mg 1% DV
Iron 0.16 mg 1% DV
Zinc 0.36 mg 3% DV
Sodium 68 mg 3% DV

Source: USDA FoodData Central (SR Legacy). %DV is percent of 2,000-kcal daily value for adults.

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Frozen available year-round.