Arrow-Tooth Flounder


The Arrow-Tooth⁣ Flounder, scientifically⁤ known as Atheresthes ⁤stomias, ​is a ⁤part of ⁤the Pleuronectidae⁤ family frequently found in the Northern⁣ Pacific waters.

Conservation Status

As per The International Union for Conservation of Nature (IUCN)‍ Red List, the Arrow-Tooth Flounder is classified​ under the Least Concern⁣ category, indicating ⁤it ‍currently doesn’t face a significant threat of extinction.

Conservation Efforts

While precise conservation efforts ⁤targeting the Arrow-Tooth Flounder are ​not specified, it generally benefits from measures ‌aiming to uphold sustainable fishing practices.


Average Range
Length 60 ​cm 36 – 83 cm
Weight 1.5 kg 0.5 – 3 kg
Average Lifespan 12 years



Arrow-Tooth Flounders are commonly found⁢ in the ⁣Northern​ Pacific Ocean, especially⁢ along the coasts⁢ of Japan, Russia, Alaska, and California.

Migration Patterns

They mainly migrate along ‌the coast to ​seek‍ more ‍favorable ⁣water temperatures ⁢and abundant food‍ sources, typically moving deeper in winter ⁤and shallower in summer.


These flounders favor temperate marine habitats. They ‍dwell in depths ranging from 50-1000 meters ‌and tolerate temperatures of​ 2°C-5°C.

When and Where ‍to See

Seasonal Patterns

You can encounter⁤ Arrow-Tooth Flounders all year round, but they’re particularly ⁣plentiful in summer when they migrate to shallower waters.

Time⁢ of day

They are predominantly nocturnal creatures, especially active during late evening and night.

Best Fishing Locations

Top ⁣Spots

  • Gulf of Alaska
  • Bering Sea
  • Aleutian ‍Islands
  • Sea of Okhotsk,⁣ Russia
  • Coastal waters of Hokkaido, Japan
  • Monterey​ Bay, California

How to Catch

Bottom fishing using hooks and lines baited with⁣ small fishes, squids, or crabs proves to be the most effective in catching this species. Early⁢ morning or late evening, particularly during summer, are ‍the​ best times to catch them.

Identification Guide

Arrow-Tooth Flounders ⁢are distinguished by their unique arrow-shaped teeth, dark grey​ or brown back with white spots ‍and a white belly. They ‌bear resemblance to ​Kamchatka flounder ⁤but differ in the shape ⁤and size of ‍their teeth.


This flounder species provides massive fillets⁣ with tender flaky⁣ textures and mild flavors. It’s best cooked ⁢in butter or wine. Grilled, pan-fried, or baked, this versatile fish is packed with lean proteins, vitamins, and omega-3 fatty acids.

Additional ⁣Information


Arrow tooth flounders are predatory by nature, feeding on small ‌fishes, squids and crustaceans. They breed through ​external fertilization and spawn in⁢ deep waters.

Predators and Threats

The primary threats to ⁣Arrow-Tooth Flounders are large marine mammals like seals and sea lions, apart from humans who catch them ‌for food‍ and recreational ⁤purposes.

Cultural/Historical​ Significance

For centuries, Arrow-Tooth Flounder has​ been an essential part of coastal communities’ diets in its distribution range. Notably, it’s often represented in the​ traditional ​art​ and mythology of indigenous Alaskan tribes.

References and Further Reading

For more on Arrow-Tooth ‌Flounder: