April, 2026 | Sushiblog－Sushiuniversity

What is Izakaya?

A photo of Cheers — First, let’s toast with a beer.

Introduction

An izakaya is a uniquely Japanese style of casual dining establishment centered on alcoholic beverages and shared dishes. Often compared to British pubs or Spanish tapas bars, izakaya are not merely places to eat and drink—they function as informal social spaces deeply embedded in everyday life in Japan.

Unlike formal restaurants, izakaya emphasize atmosphere, flexibility, and interaction. Guests are encouraged to relax, talk, and order freely, creating a dynamic environment where food, drink, and conversation unfold together.

In many ways, the lively, almost chaotic energy described above is not incidental—it is essential. The overlapping conversations, the rhythm of shared plates, and the constant flow of drinks together form the core of the izakaya experience. To step into an izakaya is to step into a living expression of Japanese social culture.

Historical Background

The origins of izakaya can be traced back to kakuuchi, a practice in which customers drank sake inside or in front of liquor shops. The term “izakaya” itself comes from the idea of “staying in a sake shop to drink.”

Early drinking establishments are referenced in historical records such as the Shoku Nihongi, but the modern izakaya format began to take shape during the Edo period, when sake retailers began serving simple food alongside alcohol.

Following the Meiji Restoration, Western beverages such as beer were introduced, further diversifying drinking culture. In the 20th century—particularly from the 1980s onward—chain izakaya expanded nationwide, making the format widely accessible.

Atmosphere and Format

Izakaya range from large chain establishments to small, family-run venues. Seating styles vary widely, including counter seats, tables, private rooms, and standing bars.

Most izakaya open in the early evening and operate until late at night. They are commonly used for after-work gatherings, informal business meetings, or casual nights out with friends.

The defining feature is atmosphere: a lively, slightly noisy environment filled with overlapping conversations and clinking glasses. Rather than silence or formality, izakaya thrive on controlled chaos and social energy.

Food Culture: Small Plates and Sharing

Izakaya cuisine is based on variety, flexibility, and small portions designed for sharing. Instead of individual courses, guests continuously order dishes throughout the evening.

A key cultural aspect is that food is served to be shared across the table. This transforms dining from a personal act into a collective experience shaped by conversation and interaction.

Representative dishes include:

A photo of Hiyayakko — The appearance of Hiyayakko

Edamame, chilled tofu, potato salad
Yakitori, grilled fish, gyoza
Karaage (fried chicken), fried tofu
Sashimi platters
Dashimaki tamago (rolled omelet)

More adventurous items such as takowasa (octopus with wasabi) and shiokara (fermented seafood) reflect Japan’s strong tradition of pairing bold flavors with alcohol.

Modern izakaya also frequently includes Western-style dishes such as pizza, pasta, and ajillo.

Drinks and Drinking Culture

Drinking in izakaya is guided more by social rhythm than by formal beverage culture.

Beer—especially draft beer—is commonly ordered first, often used to synchronize group toasts. This custom is widely known as “toriaezu beer” (“beer for now”).

Common drink categories include:

Beer
Sake (served chilled or warm)
Shochu (Japanese distilled spirit)
Highballs (whisky and soda)
Sours (especially lemon-based cocktails)

The emphasis is not on brand or prestige, but on how well drinks fit the food and group atmosphere.

Customs and Dining Etiquette

Otoshi (Table Charge Dish)

A small appetizer is served upon seating and added to the bill (typically ¥300–¥500).

Shared Dining

All dishes are placed in the center of the table and shared among guests.

Ordering Style

Rather than ordering everything at once, guests order gradually throughout the evening.

Time Limits

In busy urban areas, seating is often limited to around two hours.

Pricing, Types of Izakaya, and Ordering System

<Types and Budget>

Chain Izakaya (Casual Entry-Level)
¥2,000–¥4,000 per person
Standardized menus and fast service, ideal for beginners.
Independent Mid-Range Izakaya
¥3,000–¥6,000 per person
More seasonal dishes and local character.
High-End Izakaya
¥6,000–¥12,000+ per person
Premium ingredients and curated drinking experiences.
Budget / Senbero Izakaya
¥1,000–¥2,000
Simple food and low-cost drinks focused on affordability.

<How Ordering Works>

Guests are seated and served otoshi
Drinks are ordered first (often beer)
Food is ordered gradually throughout the visit
Dishes are shared at the table
Additional orders are added as the experience unfolds

Menus often include pictures, English translations, or tablet ordering systems in tourist areas.

Ordering Tips and Useful Phrases

A photo of menu strips — There are lots of menu strips posted on the wall.

For first-time visitors, izakaya ordering is simple and flexible. Staff are used to international guests, especially in cities, and communication is often intuitive.

Useful phrases:

“Can I have a beer, please? (Biiru o kudasai)”
“What do you recommend? (Osusume wa nan desu ka?)”
“This one, please. (Kore o onegaishimasu)” (pointing is fine)
“Another round, please. (Mō ippai onegaishimasu)”

There is no strict etiquette required. Mistakes in ordering are rarely an issue, and guests are encouraged to relax and enjoy the experience freely.

Above all, do not be afraid to try.
Izakaya are designed for exploration, spontaneity, and enjoyment. The essence of the experience lies in trying unfamiliar dishes, ordering instinctively, and embracing the atmosphere without hesitation.

Extensions of Izakaya Culture

Nomihodai (all-you-can-drink)
Happy hour discounts
Hashigo-zake (bar hopping)
Senbero culture (budget drinking)

These reflect the flexibility of izakaya culture across budgets and lifestyles.

Tokyo Izakaya Districts

The Cultural Value of Izakaya

Beyond food and drink, izakaya are defined by atmosphere and continuity. Long-standing establishments often have loyal regulars and unwritten social codes that shape the experience.

For first-time visitors, observing the rhythm of the space is more important than immediate participation. Over time, izakaya reveal themselves not just as restaurants, but as places of belonging—informal yet deeply meaningful social institutions.

What are Jo-neta, Nami-neta, and Atama-neta?

People who have eaten sushi in Japan many times are likely familiar with the terms tokujo (special), jo (upper), and nami (standard), which are used to describe the ranking of lunch sushi set menus. A “jo” lunch set typically features higher-grade sushi toppings. It is also worth noting that neta simply means sushi toppings in general.

In traditional sushi terminology, toppings were further classified into three informal categories: Jo-neta, Nami-neta, and Atama-neta. These terms were once commonly used in the industry, reflecting not only quality but also the role each topping played in sushi presentation and service.

Jo-neta refers to premium sushi toppings.

A photo of kuruma ebi — Kuruma ebi (kuruma prawn) was often regarded as the highest grade.

In the past, kuruma ebi (kuruma prawn) was often regarded as the highest grade, partly because of the skill required in preparation and cooking. In modern sushi culture, however, the concept has shifted. Ingredients such as uni (sea urchin) and otoro (fatty tuna), which are highly valued for their richness and market price, are now commonly considered Jo-neta. This change reflects a broader shift in value from preparation difficulty to rarity and taste intensity.

Among hikarimono (silver-skinned fish), a traditional ranking was also recognized in some Edomae sushi shops. Fish such as kisu (whiting), sayori (halfbeak), aji (horse mackerel), and kohada (gizzard shad) were often placed in a preferred order, with subtle differences in seasonal quality and texture influencing their evaluation. However, this hierarchy was never fixed and varied depending on the shop and region.

Nami-neta refers to standard or everyday sushi toppings.
Typical examples include akami (lean tuna) and ika (squid). These toppings were widely used and formed the foundation of everyday sushi offerings. While they were not considered premium, they were essential to maintaining balance and accessibility in sushi culture.

For nimono (simmered toppings), a relatively consistent sense of ranking existed over time. Ingredients such as awabi (abalone) and anago (conger eel) were generally regarded as top-tier due to the complexity and time required in preparation. They were followed by ni-ika (simmered squid) and tako (octopus), while shako (mantis shrimp) was often considered the most modest. In this category, value was closely tied to the skill of simmering techniques, which were a key expression of a sushi chef’s craftsmanship.

Atama-neta, on the other hand, had a completely different function.

A photo of demae sushi — Demae sushi is prepared to look visually appealing.

It was used in the context of traditional delivery sushi (demae), particularly before World War II. At that time, sushi was often arranged in stacked forms, with four or six pieces placed vertically in a container. The topping placed on the top layer—most visible to the customer—was called Atama-neta, meaning the “head” or most visually prominent piece.

This practice reflected the importance of visual impression in delivery culture. The first thing a customer saw was believed to shape their perception of quality. However, in modern sushi presentation, this stacking style has disappeared. Sushi is now arranged flat in boxes or on plates for reasons of hygiene, stability, and visual consistency. As a result, the term Atama-neta has largely fallen out of use in contemporary sushi terminology.

Note: In Japanese, Jo-neta is written as 上ネタ, Nami-neta as 並ネタ, and Atama-neta as 頭ネタ. This information may be helpful when traveling in Japan.

Why does Kansai-style sushi use so much kombu?

A photo of Kansai sushi — Sushi chefs use shiraita kombu to prevent the mackerel sushi from oxidizing.

The reason Kansai-style sushi makes extensive use of kelp—in the form of shiraita kombu (thinly shaved kelp), kelp broth, kelp rolls, and kelp-cured fish—is not simply because kelp contains umami, but because it treats sushi not as a “dish completed in an instant,” but as a “dish that develops over time.”

Kansai sushi, particularly oshi-zushi and hako-zushi, developed within a food culture that prioritized preservation. As a result, fish has been treated not just as something to be enjoyed at peak freshness, but as an ingredient whose texture and flavor are gradually stabilized through salt and vinegar, forming a cohesive whole over time. For this reason, sushi is designed to reach its final flavor and form through a series of carefully layered processes.

Within this approach, kombu functions not simply as a seasoning, but as a foundational ingredient that shapes both flavor and texture. Shiraita kombu enhances the visual appeal of pressed sushi while covering fish such as mackerel to protect it from air, preventing drying and oxidation, and helping preserve both flavor and quality. Kombu dashi enhances the depth of the rice’s flavor, while kombu-zume draws out excess moisture from the fish and stabilizes its texture. Kombu-maki wraps the ingredients, allowing the flavors to gradually meld over time.

In other words, kombu serves multiple roles. It is used across different layers—inside, outside, and as a finishing element—each contributing in a different way to stabilize both flavor and structure.

This is rooted in history. Kelp was transported in large quantities to the Kansai region via Kitamae trading ships, becoming not a luxury item but an everyday ingredient. Over time, the idea that “umami comes from kelp” became widely shared.

As a result, in Kansai sushi, kelp is used not as decoration, but as a fundamental part of the sushi itself, supporting the entire dish in multiple ways.

Related contents:
Types of Kombu

Why is Kansai-style pressed sushi sweet?

Why do they press sushi so hard in Kansai?

Why is Kansai-style pressed sushi sweet? － The philosophy of sushi revealed through its differences from Edomae-style sushi

A photo of Hakozushi — Hakozushi is one of the signature sushi styles of the Kansai region.

The difference in the use of sugar between Kansai-style pressed sushi and Kanto-style nigiri sushi (Edomae sushi) reflects not merely a matter of taste preference, but a fundamental difference in the very philosophy underlying sushi as a dish.

Kansai-style pressed sushi (such as Hakozushi and Battera) developed within a sushi culture that originally prioritized preservation. The fish is thoroughly marinated in vinegar, acquiring a sour note in exchange for umami. Furthermore, when firmly pressed into a wooden mold, the toppings and vinegared rice adhere closely together, forming a structure that enters the mouth as a single, unified entity.

The key element here is acidity from vinegar. The acidity of the vinegar-cured fish and the vinegared rice often overlap, making the dish feel overly sour. This is where sugar comes into play. Sugar is not merely used to add sweetness; it serves to soften that acidity and guide the overall flavor toward harmony.

This approach to flavor building in Kansai is consistent with a trend seen throughout Kansai cuisine. Rather than allowing strong flavors to stand on their own, the philosophy is to blend them into the whole and create harmony. This concept is also reflected in Kansai’s dashi culture, where sweetness is used as an extension of that philosophy. Sugar is not merely a sweetener; it is a crucial component that softens acidity and brings the entire flavor together.

On the other hand, Kanto-style nigiri sushi—often referred to as Edomae sushi—is best understood as a rice-driven style. Nigiri sushi is prepared in front of the customer and is intended to be eaten immediately, but it is the design of the rice that underpins its final form.

The rice is not merely “rice beneath the toppings”; it is a base that complements every topping while accommodating each one’s unique character. The balance of vinegar, the amount of salt, and the use of sugar are adjusted not to homogenize the varying flavors of each topping, but to bring out the best in each ingredient.

Sugar is sometimes used here, but its purpose is limited. It serves only to slightly soften the sharpness of the vinegar, refine the mouthfeel, or provide light cohesion—it does not form the central axis of the flavor. Rather, the rice functions as a common structural framework that accommodates any topping while ensuring the integrity of each individual piece of sushi.

Viewed in this light, Kanto-style nigiri sushi is not a dish where the toppings take center stage; rather, it is a dish whose integrity is established through the design of the rice. The rice ensures that the dish remains intact regardless of the topping used and allows each topping’s individual character to shine.

The difference in the use of sugar is not merely a matter of quantity. It illustrates the contrast between two distinct aesthetics in Japanese sushi: whether to build up flavors into a single unified form or to use a common structure to bring diverse ingredients into harmony.

Related contents:
Why do they press sushi so hard in Kansai?

Why do they press sushi so hard in Kansai?

A photo of saba sushi — The rice in the saba sushi is packed tightly.

Although Kansai-style pressed sushi and Edomae-style nigiri sushi (Edomae sushi) are both categorized as “sushi,” their historical backgrounds and underlying philosophies differ significantly. The differences between the two go far beyond shape; they reflect distinct urban structures, distribution environments, and regional attitudes toward food.

In particular, Kansai-style pressed sushi (Hakozushi and Bozushi) developed under the conditions of preservation and transport. Its core regions include urban centers such as Osaka and Kyoto, where refrigeration technology as we know it today did not exist. As a result, it was difficult to transport seafood over long distances while keeping it fresh. This made extending the shelf life of ingredients a central concern in culinary development.

Within these constraints, a method emerged in which vinegared rice and toppings were layered in a wooden mold and pressed firmly from above. Oshi-zushi is not merely a shaping technique. The pressure helps remove excess air and moisture, slows bacterial growth, and improves shelf stability. Vinegar itself also has antibacterial properties, and when combined with fish, it became a highly practical form of preserved food for its time.

In addition, oshi-zushi offers a high degree of physical stability. Pressing the ingredients into a wooden mold creates a compact, block-like form with uniform thickness and density. This makes it resistant to crumbling, easy to slice, and well-suited for transport. It is especially practical for celebrations, festivals, and travel meals, striking a strong balance between practicality and refined presentation.

This “molded form” is also closely tied to the aesthetic sensibilities of Kansai food culture. The cross-section of oshi-zushi reveals fish and vinegared rice arranged in precise, geometric layers, creating a visual presentation reminiscent of an edible artwork. In this sense, it is not only a dish to be tasted, but also one meant to be seen.

In contrast, Edomae sushi developed under entirely different conditions. In Tokyo, as population density increased and urban life expanded, a vibrant street food culture emerged. Here, the emphasis was on immediacy—being able to eat sushi right away, convenience, and enjoying freshness at the moment of service. As a result, sushi evolved into a form centered on instant consumption.

A photo of nigiri sushi — The shari is shaped just enough to hold its form without falling apart.

A defining feature of nigiri sushi is that the rice is gently shaped to retain air, creating a light, tender texture. This is not simply about softness. The air allows the rice to break apart easily in the mouth, while the fish and rice are designed to come together and dissolve simultaneously, creating a unified flavor experience. In other words, nigiri sushi is designed to deliver a culinary experience that is complete the moment it is formed, emphasizing lightness and immediacy.

What is important here is that the difference between the two is not simply technical, but reflects fundamentally different ideas of how food should reach its peak condition. Kansai-style pressed sushi is designed to remain stable and well-balanced even after some time has passed. Edomae nigiri sushi, on the other hand, is designed to be at its best immediately after it is made.

In this sense, oshi-zushi is a style of sushi that maintains its quality over time, while nigiri sushi is a style that reaches its peak in an instant.

What makes this even more interesting is that both share the same foundation of vinegared rice. Using the same core ingredient, entirely different eating experiences are created simply through physical technique—pressing versus shaping. This demonstrates that Japanese cuisine is not merely dependent on ingredients but is a highly refined culinary culture built on structure and design.

Ultimately, pressing oshi-zushi firmly is not just about compression, but a practical method of achieving preservation, structure, and visual harmony at the same time. Conversely, gently incorporating air into nigiri sushi is a deliberate design choice to maximize fleeting texture, aroma, and mouthfeel.

Although both are forms of sushi, the key difference lies in how each is designed to reach its optimal eating condition.

Related contents:
Why is Kansai-style pressed sushi sweet?

Is short-grain rice preferred for nigiri sushi?

A photo of Short-grain vs Long-grain rice — The rice on the left in the photo is short-grain rice, and the rice on the right is long-grain rice.

It is not a simple yes-or-no question. More precisely, it might be said that short-grain rice is often considered ideal because it best suits the structural demands of sushi as a culinary form.

Sushi—particularly nigiri—does not treat rice and fish as separate components to be eaten independently. Rather, it is predicated on a moment of convergence: as it is eaten, the shari and the topping begin to loosen and merge into one another, forming a single, unified impression. The quality of sushi is largely determined by how naturally and effortlessly this transition occurs. In this sense, rice is not merely a staple ingredient but an essential structural element of the dish itself.

The preference for short-grain rice lies primarily in its tendency to loosen. When cooked, it retains a gentle cohesion, yet yields readily under minimal pressure. This quality is fully expressed in the hands of a skilled sushi chef, who shapes it with extraordinary subtlety rather than force. The result is a form that holds just long enough at room temperature, yet dissolves almost instantly once it reaches the palate—a form defined by structure without rigidity.

Equally important is the balance between vinegared rice and topping. In sushi, the seafood is meant to take the lead; the rice is there to support and elevate it. Larger grains, however, tend to assert themselves in texture, drawing attention to the act of chewing itself and, in doing so, risk shifting focus away from the delicacy of white fish or the lingering richness of fatty cuts. Short-grain rice, by contrast, recedes more gracefully, enveloping the topping without overwhelming it, allowing the flavors of the fish to remain at the center of attention.

A photo of short grain rice — Short-grain rice is preferred for nigiri sushi.

There is also the matter of form. Nigiri sushi is not “pressed” in any mechanical sense; it is shaped through a controlled incorporation of air, a balance of compression and restraint. Short-grain rice, with its greater number of contact points, binds more readily under light pressure, making it easier to achieve the elusive texture often described as “light” or “airy.” This structure is not meant to endure—it is designed to yield, elegantly, at the exact moment of consumption.

And yet, grain size alone should not be mistaken for the essence of sushi rice. What ultimately matters is the interplay of moisture, seasoning, temperature, and technique. Even medium-grain varieties can produce excellent sushi when handled with precision. The ideal, therefore, is not fixed in the grain itself, but in the harmony it is able to participate in.

Ultimately, the preference for short-grain rice is less a rule than a tendency—one shaped by how sushi is eaten, and what it is meant to be: a fleeting moment of coherence, assembled only to dissolve.

Related contents:

What rice to use for sushi?

Why is there a cucumber served with Ikura gunkan?

A photo of Ikura gunkan maki — In the past, it was common to serve cucumbers alongside Ikura.

When you order Ikura gunkan-maki (salmon roe sushi), you may notice a small strip of cucumber placed alongside it. It’s the kind of detail that often makes people pause and wonder: why is there a cucumber next to the salmon roe? At first glance, it might seem like a decorative afterthought, but in fact, it reflects a subtle design logic within sushi-making.

The first reason comes down to flavor balance. Ikura is typically seasoned with soy sauce, giving it a rich, salty, umami-forward profile. While that intensity is part of its appeal, it can also start to feel heavy when eaten in succession. The cucumber, with its clean, watery freshness, helps lighten that sensation and refresh the palate between bites. In that sense, it serves as a subtle counterpoint that keeps the ikura’s richness in check.

Texture plays an equally important role. Ikura is prized for its signature “pop” — those bursts of briny flavor that release in the mouth. But on its own, that texture can feel repetitive. The crisp snap of the cucumber introduces contrast, adding variation to each bite and making the experience more dynamic.

A photo of Ikura — Currently, this type of Ikura gunkan maki is the most popular.

That said, not every sushi restaurant uses cucumber in this way. In fact, many high-end sushi restaurants serve ikura gunkan with no cucumber at all, focusing entirely on the salmon roe itself. The idea is to present ikura in its purest form — highlighting its texture, temperature, and seasoning without distraction. In these settings, simplicity is intentional: the ingredient is meant to stand on its own.

At the same time, the version with cucumber has remained widely used, particularly in casual and conveyor-belt sushi settings. In these contexts, consistency, visual appeal, and cost control all play an important role. The addition of cucumber helps create a balanced, visually full presentation, even with a smaller portion of ikura, while also introducing a contrasting color that makes the piece more eye-catching. In this sense, the cucumber is not merely a garnish, but part of a practical design that supports both presentation and efficiency in a high-volume dining environment.

Visually, however, the version with cucumber has its own appeal. The bright orange of ikura against the deep green of cucumber creates a striking contrast that feels deliberate and refined. Sushi is often as much about visual composition as it is about taste, and even a small element like this contributes to the overall aesthetic of the piece.

Some people assume the cucumber is simply a cost-saving trick to reduce the amount of ikura. While that interpretation exists, it misses the point of how sushi is generally conceived. In most cases, especially in traditional or well-considered preparation, the focus is not on substitution or reduction, but on shaping the overall experience — taste, texture, and presentation working together as a whole.

In the end, the cucumber next to the ikura gunkan isn’t there because it’s necessary. It’s there because it changes the experience in subtle ways — softening the richness, adding texture, and refining the visual balance. And in sushi, those small decisions are often exactly what define the craft.

Updated on April 14, 2026

Current status of salmon farming in Japan

A photo of salmon block — Salmon boasts a vibrant orange color, a good amount of fat, and a melt-in-your-mouth texture.

Salmon is the most popular item at conveyor-belt sushi restaurants in Japan, and demand continues to grow both domestically and globally. In response, Japan’s salmon farming industry has been rapidly expanding. Domestic production is projected to reach approximately 33,000–34,000 tons in 2026, up about 10% from the previous year and marking a new record. This growth is driven by both traditional sea-based aquaculture and the rapid development of land-based farming using Recirculating Aquaculture Systems (RAS).

In coastal regions such as Aomori and Hokkaido, sea-based farming remains a core production method. In the cold, fast-moving waters of the Tsugaru Strait, salmon develop firm flesh and rich fat content—qualities highly valued for sushi and sashimi. Companies such as Okamura Foods are leading this sector by introducing advanced Nordic technologies and large-scale farming systems. Working closely with local fishing communities, they produce branded fish such as “Aomori Salmon,” while expanding operations to include land-based hatcheries and remote-controlled feeding systems.

At the same time, Japan is seeing significant investment in land-based aquaculture. Pure Salmon Japan is developing one of the world’s largest RAS facilities in Tsu, Mie Prefecture, with a planned annual capacity of 10,000 tons. Other major players include FUJI ATLANTIC SALMON in Shizuoka, Atland (a joint venture between Mitsubishi Corporation and Umios) in Toyama, and FRD Japan in Saitama. These operations aim to produce high-quality salmon with fully controlled water conditions, reducing disease risk and enabling year-round production.

A defining characteristic of Japan’s salmon farming industry is its diversity of species and local brands. Farmed salmon in Japan includes a range of types, each with unique traits. Below is a detailed overview of major salmon species and brands:

Species	Brand / Regional Name	Location	Farming Method	Estimated Annual Production (tons)
Atlantic salmon	FUJI ATLANTIC SALMON	Shizuoka	Land-based (RAS)	4,700〜5,300
Atlantic salmon	Atland	Toyama	Land-based (RAS)	2,500
Atlantic salmon	Pure Salmon Japan	Mie	Land-based (RAS)	10,000
Coho salmon	Kaikyo Salmon	Tohoku–Hokkaido	Sea-based	Not publicly disclosed
Coho salmon	Miyagi Salmon	Miyagi Prefecture	Sea-based	Not publicly disclosed
Coho salmon	Date no Gin	Hokkaido Pacific coast	Sea-based	Not publicly disclosed
Coho salmon	Kinka Gin	Miyagi Ishinomaki area	Sea-based	Not publicly disclosed
Coho salmon	Gin no Suke	Regional	Sea-based	Not publicly disclosed
Rainbow trout / Trout salmon	Sakura Gin	Various farms	Sea-based / Land-based	Not publicly disclosed
Rainbow trout / Trout salmon	Kiwami Sake	Various local cooperatives	Sea-based / Land-based	Not publicly disclosed
Rainbow trout / Trout salmon	Yamanashi / Nagano	Regional	Land-based	Not publicly disclosed
Chinook (King) salmon	Various premium farms	Regional	Sea-based / Land-based	Not publicly disclosed
Donaldson trout	Various farms	Regional	Land-based / Hybrid	Not publicly disclosed
Hybrid crosses	Various farms	Regional	Land-based / Sea-based	Not publicly disclosed

Despite this growth, Japan still relies heavily on imports, with around 80% of its salmon sourced from Northern Europe and South America. However, global factors are reshaping the market. The Ukraine–Russia conflict has increased air freight costs and extended delivery times from Norway, while geopolitical tensions involving the Middle East, including Iran and the United States, have driven up oil and electricity prices. These factors not only raise import costs—already up roughly 60% over the past five years—but also impact domestic production, particularly energy-intensive land-based systems.

Each farming method presents its own advantages and challenges. Sea-based farming allows for large-scale production and natural growth conditions but is vulnerable to environmental risks such as red tides and disease. Land-based RAS systems offer precise control over water quality and eliminate marine pollution, yet require substantial capital investment and high energy consumption. Hybrid systems, in which fish are raised on land before being transferred to the sea, provide a balance between efficiency and quality but add operational complexity.

Looking ahead, Japan’s ability to establish itself as a major salmon-producing nation will depend on how effectively it integrates these approaches. Expanding branded domestic production, improving energy efficiency, and leveraging technological innovation will be essential. At the same time, imported salmon is likely to remain important for premium markets, while domestic farmed salmon increasingly supports local demand.

In this evolving landscape, Japan’s salmon industry is shifting from import dependence toward a more diversified and resilient production model—one that combines regional identity, species diversity, and advanced aquaculture technology.