Pacific Saury Fish Characteristics, Diet, Breeding

The Pacific Saury fish is a member of the family Scomberesocidae. It is also called as Mackerel Pike, and also known by many different names in different parts of the world.

It is a very important food source in some East Asian countries. And the fish is mostly found in the North Pacific, from Korea and Japan eastward to the Gulf of Alaska and southward to subtropical Mexico.

The Pacific Saury fish are often imported to the United Kingdom where they are used as bait for sea fishing.

They are often called Blueys in the United Kingdom, possibly due to people confusing the Pacific Saury with blue mackerel.

Currently, this fish is one of the most popular food fishes in Japan. However, read some more information about this fish species below.

Pacific Saury Fish Characteristics

The Pacific Saury fish has a elongate body with dark green to blue on the dorsal side and silvery below. There are small, bright blue blotches distributed randomly on the sides.

Their mouth is small, and there is a series of small finlets between the dorsal and anal fins. They have a small forked tail, and have cycloid scales.

Average total body length of the mature Pacific Saury fish is between 25 and 28 cm. And their average live body weight is around 180 grams. Photo and info from Wikipedia.

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The Pacific Saury fish are mainly feed on zooplankton, such as copepods, krill, amphipods and the eggs and larvae of common fish.


The Pacific Saury fish is a highly migratory fish species. The adults are generally found offshore, near the surface of the ocean. But the juveniles associate with drifting seaweed.

These fish are oviparous, the eggs are attached to one another and to floating objects such as seaweed via flaments on the shell surface.


The Pacific Saury fish are mainly used for food. It is very popular in some countries, such as Japan. It is utilized dried, salted, canned and frozen. It is also used for making fishmeal and pet food. It can be broiled or pan-fried.

Special Notes

The Pacific Saury fish has great economic importance where it is found. It is one of the most prominent seasonal foods representing autumn in Japanese cuisine.

Most commonly the fish is served salted and broiled whole, garnished with grated daikon, and served alongside a bowl of rice and a bowl of miso soup.

But in some western countries, the Pacific Saury fish is used for fish meal and pet food. This fish is prey to at least 46 species of fish, birds, invertebrates and marine mammals.

Average lifespan of this fish is between 4 and 6 years. However, review full breed profile of the Pacific Saury fish in the table below.

NamePacific Saury
SpeciesC. saira
Binomial NameCololabis saira
Other NamesMackerel Pike, and also known by many other different names in different parts of the world
Breed PurposeMainly food, but also used for making fishmeal, and used as pet food
Special NotesEconomically very important fish species where it is found, one of the most prominent seasonal foods representing autumn in Japanese cuisine, used for making fish meal and used as pet food in some western countries, 4-6 years lifespan
WeightAbout 180 grams
Breeding MethodNatural
Climate ToleranceNative climates
Body ColorSilver with dark green or blue on the dorsal side

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