is a
Japanese dish
Japanese cuisine encompasses the regional and traditional foods of Japan, which have developed through centuries of political, economic, and social changes. The traditional cuisine of Japan (Japanese: ) is based on rice with miso soup and othe ...
of prepared , usually with some sugar and salt, accompanied by a variety of , such as
seafood
Seafood is any form of sea life regarded as food by humans, prominently including fish and shellfish. Shellfish include various species of molluscs (e.g. bivalve molluscs such as clams, oysters and mussels, and cephalopods such as octopus a ...
, often raw, and vegetables. Styles of sushi and its presentation vary widely, but the one key ingredient is "sushi rice," also referred to as , or .
The inventor of modern sushi is believed to be
Hanaya Yohei
Hanaya Yohei (華屋 与兵衛 or 花屋 與兵衛; 1799–1858) was a Japanese restaurateur and chef who is generally credited as the inventor of Tokyo-style ('' Edomae-zushi''; 江戸前寿司) ''nigiri'' sushi at the end of the Edo period. ...
, who invented nigiri-zushi, a type of sushi most known today, in which seafood is placed on hand-pressed vinegared rice, around 1824 in the
Edo period
The or is the period between 1603 and 1867 in the history of Japan, when Japan was under the rule of the Tokugawa shogunate and the country's 300 regional ''daimyo''. Emerging from the chaos of the Sengoku period, the Edo period was character ...
(1603–1867). It was the
fast food
Fast food is a type of mass-produced food designed for commercial resale, with a strong priority placed on speed of service. It is a commercial term, limited to food sold in a restaurant or store with frozen, preheated or precooked ingredie ...
of the ''
chōnin
was a social class that emerged in Japan during the early years of the Tokugawa period. In the social hierarchy, it was considered subordinate to the samurai warrior class.
Social Class
The ''chōnin'' emerged in ''joka-machi'' or castle ...
'' class in the Edo period.
Sushi is traditionally made with
medium-grain white rice, though it can be prepared with
brown rice
Brown rice is a whole grain rice with the inedible outer hull removed. This kind of rice sheds its outer hull or husk but the bran and germ layer remain on, constituting the brown or tan colour of rice. White rice is the same grain without the ...
or
short-grain rice
Rice is the seed of the grass species ''Oryza sativa'' (Asian rice) or less commonly ''Oryza glaberrima'' (African rice). The name wild rice is usually used for species of the genera ''Zizania'' and ''Porteresia'', both wild and domesticated, ...
. It is very often prepared with seafood, such as
squid
True squid are molluscs with an elongated soft body, large eyes, eight arms, and two tentacles in the superorder Decapodiformes, though many other molluscs within the broader Neocoleoidea are also called squid despite not strictly fitting ...
,
eel
Eels are ray-finned fish belonging to the order Anguilliformes (), which consists of eight suborders, 19 families, 111 genera, and about 800 species. Eels undergo considerable development from the early larval stage to the eventual adult stage ...
,
yellowtail,
salmon
Salmon () is the common name
In biology, a common name of a taxon or organism (also known as a vernacular name, English name, colloquial name, country name, popular name, or farmer's name) is a name that is based on the normal language of ...
,
tuna
A tuna is a saltwater fish that belongs to the tribe Thunnini, a subgrouping of the Scombridae ( mackerel) family. The Thunnini comprise 15 species across five genera, the sizes of which vary greatly, ranging from the bullet tuna (max le ...
or
imitation crab meat
Crab sticks, krab sticks, imitation crab (meat), or seafood sticks (originally known as ''kanikama'' in Japan) are a type of seafood made of starch and finely pulverized white fish (''surimi'') that has been shaped and cured to resemble the leg ...
. Many types of sushi are
vegetarian
Vegetarianism is the practice of abstaining from the consumption of meat ( red meat, poultry, seafood, insects, and the flesh of any other animal). It may also include abstaining from eating all by-products of animal slaughter.
Vegetaria ...
. It is often served with ,
wasabi
Wasabi ( Japanese: , , or , ; ''Eutrema japonicum'' or ''Wasabia japonica'') or Japanese horseradish is a plant of the family Brassicaceae, which also includes horseradish and mustard in other genera. The plant is native to Japan and the Russ ...
, and
soy sauce.
Daikon radish
Daikon or mooli, ''Raphanus sativus'' var. ''longipinnatus,'' is a mild-flavored winter radish usually characterized by fast-growing leaves and a long, white, root. Originally native to continental East Asia, daikon is harvested and consumed ...
or are popular
garnishes for the dish.
Sushi is sometimes confused with
sashimi
is a Japanese delicacy consisting of fresh raw fish or meat sliced into thin pieces and often eaten with soy sauce.
Origin
The word ''sashimi'' means "pierced body", i.e. " 刺身" = ''sashimi'', where 刺 し = ''sashi'' (pierced, stu ...
, a similar dish in Japanese cuisine that consists of thinly sliced
raw fish
Raw is an adjective usually describing:
* Raw materials, basic materials from which products are manufactured or made
* Raw food, uncooked food
Raw or RAW may also refer to:
Computing and electronics
* .RAW, a proprietary mass spectrometry dat ...
or occasionally
meat.
History

A dish known as , stored in fermented rice for possibly months at a time, has been cited as one of the early influences for the Japanese practice of applying rice on raw fish.
The fish was fermented with rice vinegar, salt, and rice, after which the rice was discarded. The process can be traced back to the early
domestication of rice in the
Neolithic cultures of China
The Neolithic period, or New Stone Age, is an Old World archaeological period and the final division of the Stone Age. It saw the Neolithic Revolution, a wide-ranging set of developments that appear to have arisen independently in several par ...
. Fermentation methods following similar logic in other Asian rice cultures include (), (), , (), and .
The
lacto-fermentation
Lactic acid fermentation is a metabolic process by which glucose or other six-carbon sugars (also, disaccharides of six-carbon sugars, e.g. sucrose or lactose) are converted into cellular energy and the metabolite lactate, which is lactic acid i ...
of the rice prevents the fish from spoiling. When wet-field rice cultivation was introduced during the
Yayoi period
The started at the beginning of the Neolithic in Japan, continued through the Bronze Age, and towards its end crossed into the Iron Age.
Since the 1980s, scholars have argued that a period previously classified as a transition from the Jōmon p ...
, lakes and rivers would flood during the rainy season, and fish would get caught in the rice paddy fields. Pickling was a way to preserve the excess fish and guarantee food for the following months, and became an important source of protein for Japanese consumers. The term ''sushi'' literally means "sour-tasting," as the overall dish has a
sour
The gustatory system or sense of taste is the sensory system that is partially responsible for the perception of taste (flavor). Taste is the perception produced or stimulated when a substance in the mouth reacts chemically with taste receptor ...
and
umami
Umami ( from ja, 旨味 ), or savoriness, is one of the five basic tastes. It has been described as savory and is characteristic of broths and cooked meats.
People taste umami through taste receptors that typically respond to glutamates and ...
or savory taste. The term comes from an
antiquated terminal-form conjugation, no longer used in other contexts, of the
adjectival verb , resulting in the term . still exists as a regional specialty, notably as from
Shiga Prefecture
is a prefecture of Japan located in the Kansai region of Honshu. Shiga Prefecture has a population of 1,412,916 (1 October 2015) and has a geographic area of . Shiga Prefecture borders Fukui Prefecture to the north, Gifu Prefecture to the north ...
.
Vinegar began to be added to the preparation of in the
Muromachi period
The is a division of Japanese history running from approximately 1336 to 1573. The period marks the governance of the Muromachi or Ashikaga shogunate (''Muromachi bakufu'' or ''Ashikaga bakufu''), which was officially established in 1338 by ...
(1336–1573) for the sake of enhancing both taste and preservation. In addition to increasing the rice's sourness, the vinegar significantly increased the dish's longevity, causing the fermentation process to be shortened and eventually abandoned. The primitive sushi would be further developed in
Osaka
is a designated city in the Kansai region of Honshu in Japan. It is the capital of and most populous city in Osaka Prefecture, and the third most populous city in Japan, following Special wards of Tokyo and Yokohama. With a population of ...
, where over several centuries, it became or ; in this preparation, the seafood and rice were pressed into shape with wooden (typically bamboo) molds.
It was not until the
Edo period
The or is the period between 1603 and 1867 in the history of Japan, when Japan was under the rule of the Tokugawa shogunate and the country's 300 regional ''daimyo''. Emerging from the chaos of the Sengoku period, the Edo period was character ...
(1603–1868) that fresh fish was served over vinegared rice and nori. The particular style of today's became popular in
Edo
Edo ( ja, , , "bay-entrance" or "estuary"), also romanized as Jedo, Yedo or Yeddo, is the former name of Tokyo.
Edo, formerly a ''jōkamachi'' (castle town) centered on Edo Castle located in Musashi Province, became the ''de facto'' capital of ...
(contemporary Tokyo) in the 1820s or 1830s. One common story of 's origins is of the chef Hanaya Yohei (1799–1858), who invented or perfected the technique in 1824 at his shop in
Ryōgoku
is a district in Sumida, Tokyo. It is surrounded by various districts in Sumida, Chūō, and Taitō wards: Yokoami, Midori, Chitose, Higashi Nihonbashi, and Yanagibashi.
In 1659, the Ryōgoku Bridge was built, spanning the Sumida River just ...
.
The dish was originally termed as it used freshly caught fish from the (Edo or
Tokyo Bay
is a bay located in the southern Kantō region of Japan, and spans the coasts of Tokyo, Kanagawa Prefecture, and Chiba Prefecture. Tokyo Bay is connected to the Pacific Ocean by the Uraga Channel. The Tokyo Bay region is both the most populous ...
); the term is still used today as a by-word for quality sushi, regardless of its ingredients' origins.
The earliest written mention of ''sushi'' in English described in the ''
Oxford English Dictionary
The ''Oxford English Dictionary'' (''OED'') is the first and foundational historical dictionary of the English language, published by Oxford University Press (OUP). It traces the historical development of the English language, providing a com ...
'' is in an 1893 book, ''A Japanese Interior'', where it mentions sushi as "a roll of cold rice with fish, sea-weed, or some other flavoring." There is an earlier mention of sushi in
James Hepburn's Japanese–English dictionary from 1873, and an 1879 article on Japanese cookery in the journal ''
Notes and Queries
''Notes and Queries'', also styled ''Notes & Queries'', is a long-running quarterly scholarly journal that publishes short articles related to "English language and literature, lexicography, history, and scholarly antiquarianism".From the inner ...
''.
Types

The common ingredient in all types of
sushi
is a Japanese dish of prepared , usually with some sugar and salt, accompanied by a variety of , such as seafood, often raw, and vegetables. Styles of sushi and its presentation vary widely, but the one key ingredient is "sushi rice," also ...
is vinegared
sushi
is a Japanese dish of prepared , usually with some sugar and salt, accompanied by a variety of , such as seafood, often raw, and vegetables. Styles of sushi and its presentation vary widely, but the one key ingredient is "sushi rice," also ...
rice. Fillings, toppings, condiments, and preparation vary widely.
Due to
consonant mutation
Consonant mutation is change in a consonant in a word according to its morphological or syntactic environment.
Mutation occurs in languages around the world. A prototypical example of consonant mutation is the initial consonant mutation of all ...
, ''sushi'' is pronounced with instead of when a prefix is attached, as in .

serves the rice in a bowl and tops it with a variety of raw fish and vegetable garnishes. It is popular because it is filling, fast, and easy to make. It is eaten annually on in March and in May.
* (
Edo
Edo ( ja, , , "bay-entrance" or "estuary"), also romanized as Jedo, Yedo or Yeddo, is the former name of Tokyo.
Edo, formerly a ''jōkamachi'' (castle town) centered on Edo Castle located in Musashi Province, became the ''de facto'' capital of ...
-style scattered sushi) is served with uncooked ingredients in an artful arrangement.
* (Kansai-style sushi) consists of cooked or uncooked ingredients mixed in the body of rice.
* (Kyushu-style sushi) uses rice wine over vinegar in preparing the rice and is topped with shrimp, sea bream, octopus, shiitake mushrooms, bamboo shoots, and shredded omelette.

is a pouch of
fried tofu
Tahu goreng (Indonesian spelling) or Tauhu goreng (Malaysian and Singaporean spelling) is a generic name for any type of fried tofu dish in the cuisines of Indonesia, Malaysia and Singapore.
Preparation
When preparing the dish, cakes of har ...
typically filled with sushi rice alone. Tales tell that is named after the Shinto god
Inari
Inari may refer to:
Shinto
* Inari Ōkami, a Shinto spirit
** Mount Inari in Japan, site of Fushimi Inari-taisha, the main Shinto shrine to Inari
** Inari Shrine, shrines to the Shinto god Inari
* Inari-zushi, a type of sushi
Places
* Inari, ...
. Foxes, messengers of Inari, are believed to have a fondness for fried
tofu
Tofu (), also known as bean curd in English, is a food prepared by coagulating soy milk and then pressing the resulting curds into solid white blocks of varying softness; it can be ''silken'', ''soft'', ''firm'', ''extra firm'' or ''super fi ...
, and an roll has pointed corners that resemble fox ears.
Regional variations include pouches made of a thin
omelette
In cuisine, an omelette (also spelled omelet) is a dish made from beaten eggs, fried with butter or oil in a frying pan (without stirring as in scrambled egg). It is quite common for the omelette to be folded around fillings such as chives, ...
(, , or , ) instead of tofu. It should not be confused with , a roll filled with flavored fried tofu.
Cone sushi is a variant of originating in
Hawaii
Hawaii ( ; haw, Hawaii or ) is a state in the Western United States, located in the Pacific Ocean about from the U.S. mainland. It is the only U.S. state outside North America, the only state that is an archipelago, and the only ...
that may include
green bean
Green beans are young, unripe fruits of various cultivars of the common bean ('' Phaseolus vulgaris''), although immature or young pods of the runner bean ('' Phaseolus coccineus''), yardlong bean ( ''Vigna unguiculata'' subsp. ''sesquipedali ...
s,
carrots, or
gobo
Gobo may refer to:
Places
* Gobō, Wakayama, a city located in Wakayama Prefecture, Japan
** Gobō Station, a railway station in the city
* Gobo, Cameroon, a commune in Cameroon
Plants
* Gobō
''Arctium lappa'', commonly called greater burd ...
along with rice, wrapped in a triangular piece. It is often sold in (Japanese
delis
Traditionally, a delicatessen or deli is a retail establishment that sells a selection of fine, exotic, or foreign prepared foods. Delicatessen originated in Germany (original: ) during the 18th century and spread to the United States in the m ...
) and as a component of
bento
A is the Japanese iteration of a single-portion take-out or home-packed meal, often for lunch. Outside Japan, it is common in other East and Southeast Asian culinary styles, especially within Chinese, Korean, Singaporean cuisines and more, as r ...
boxes.
, or is a cylindrical piece formed with the help of a mat known as a . is generally wrapped in nori (seaweed) but is occasionally wrapped in a thin
omelette
In cuisine, an omelette (also spelled omelet) is a dish made from beaten eggs, fried with butter or oil in a frying pan (without stirring as in scrambled egg). It is quite common for the omelette to be folded around fillings such as chives, ...
, soy paper, cucumber, or (perilla) leaves. is often cut into six or eight pieces, constituting a single roll order. Short-grain white rice is usually used, although short-grain brown rice, like
olive oil
Olive oil is a liquid fat obtained from olives (the fruit of ''Olea europaea''; family Oleaceae), a traditional tree crop of the Mediterranean Basin, produced by pressing whole olives and extracting the oil. It is commonly used in cooking: ...
on nori, is now becoming more widespread among the health-conscious. Rarely, sweet rice is mixed in rice.
Nowadays, the rice in can be many kinds of black rice, boiled rice, and cereals. Besides the common ingredients listed above, some varieties may include cheese, spicy cooked
squid
True squid are molluscs with an elongated soft body, large eyes, eight arms, and two tentacles in the superorder Decapodiformes, though many other molluscs within the broader Neocoleoidea are also called squid despite not strictly fitting ...
, , ,
lunch meat
Lunch meats—also known as cold cuts, luncheon meats, cooked meats, sliced meats, cold meats, sandwich meats, and deli meats—are precooked or cured meats that are sliced and served cold or hot. They are typically served in sandwiches or on ...
,
sausage
A sausage is a type of meat product usually made from ground meat—often pork, beef, or poultry—along with salt, spices and other flavourings. Other ingredients, such as grains or breadcrumbs may be included as fillers or extenders. ...
,
bacon
Bacon is a type of salt-cured pork made from various cuts, typically the belly or less fatty parts of the back. It is eaten as a side dish (particularly in breakfasts), used as a central ingredient (e.g., the bacon, lettuce, and tomato sa ...
or spicy
tuna
A tuna is a saltwater fish that belongs to the tribe Thunnini, a subgrouping of the Scombridae ( mackerel) family. The Thunnini comprise 15 species across five genera, the sizes of which vary greatly, ranging from the bullet tuna (max le ...
. The nori may be brushed with sesame oil or sprinkled with sesame seeds. In a variation, sliced pieces of may be lightly fried with egg coating.
Below are some common types of , but many other kinds exist.
* is a large, cylindrical style of sushi, usually with nori on the outside.
A typical is in diameter.
They are often made with two, three, or more fillings that are chosen for their complementary tastes and colors. are often vegetarian, and may use strips of
cucumber
Cucumber (''Cucumis sativus'') is a widely-cultivated creeping vine plant in the Cucurbitaceae family that bears usually cylindrical fruits, which are used as culinary vegetables.[bamboo shoot
Bamboo shoots or bamboo sprouts are the edible shoots (new bamboo culms that come out of the ground) of many bamboo species including ''Bambusa vulgaris'' and ''Phyllostachys edulis''. They are used as vegetables in numerous Asian dishes and b ...]
s), or
lotus root
''Nelumbo nucifera'', also known as sacred lotus, Laxmi lotus, Indian lotus, or simply lotus, is one of two extant species of aquatic plant in the family Nelumbonaceae. It is sometimes colloquially called a water lily, though this more often ref ...
. Strips of omelette, tiny fish
roe
Roe ( ) or hard roe is the fully ripe internal egg masses in the ovaries, or the released external egg masses, of fish and certain marine animals such as shrimp, scallop, sea urchins and squid. As a seafood, roe is used both as a cooked ing ...
, chopped tuna, and
whitefish flakes are typical non-vegetarian fillings.
Traditionally, the vinegared rice is lightly seasoned with salt and sugar. Popular proteins are fish cakes, imitation crab meat, egg, tuna, or shrimp. Vegetables usually include cucumber, lettuce, and .
* is is rolled out by a thin egg.
* or is a fried version of the dish.
* During the evening of the festival of , it is traditional in the
Kansai region
The or the , lies in the southern-central region of Japan's main island Honshū. The region includes the prefectures of Nara, Wakayama, Kyoto, Osaka, Hyōgo and Shiga, often also Mie, sometimes Fukui, Tokushima and Tottori. The metr ...
to eat a particular kind of in its uncut cylindrical form, called . By 2000 the custom had spread to all of Japan.
is roll composed of seven ingredients considered to be lucky. The typical ingredients include , egg, eel, and ''
shiitake
The shiitake (alternate form shitake) (; ''Lentinula edodes'') is an edible mushroom native to East Asia, which is now cultivated and consumed around the globe. It is considered a medicinal mushroom in some forms of traditional medicine.
T ...
''. often include other ingredients too. People usually eat the while facing the direction considered to be auspicious that year.
* is a type of small cylindrical sushi with nori on the outside. A typical has a diameter of about .
[ They generally contain only one filling, often tuna, cucumber, , , paste, and squid with (Japanese herb).
** is a kind of filled with cucumber. It is named after the Japanese legendary water imp, fond of cucumbers, called the . Traditionally, is consumed to clear the palate between eating raw fish and other kinds of food so that the flavors of the fish are distinct from the tastes of other foods.
** is a kind of filled with raw tuna. Although it is believed that the word , meaning "red hot iron", alludes to the color of the tuna flesh or salmon flesh, it actually originated as a quick snack to eat in gambling dens called , much like the origins of the ]sandwich
A sandwich is a food typically consisting of vegetables, sliced cheese or meat, placed on or between slices of bread, or more generally any dish wherein bread serves as a container or wrapper for another food type. The sandwich began as a po ...
.
** is a kind of filled with negitoro
''Negitoro'' () is a Japanese cuisine of minced raw tuna scrape, the fatty parts of the fish that cannot be made into other meals, commonly served together with green onion. In addition to being an ingredient to sushi of various types, they are al ...
, aka scallion
Scallions (also known as spring onions or green onions) are vegetables derived from various species in the genus ''Allium''. Scallions generally have a milder taste than most onions and their close relatives include garlic, shallot, leek, chi ...
() and chopped tuna (). Fatty tuna is often used in this style.
** is a kind of filled with canned tuna tossed with mayonnaise
Mayonnaise (; ), colloquially referred to as "mayo" , is a thick, cold, and creamy sauce or dressing commonly used on sandwiches, hamburgers, composed salads, and French fries. It also forms the base for various other sauces, such as tarta ...
.
* is a large cone-shaped style of sushi with nori on the outside and the ingredients spilling out the wide end. A typical is about long and is eaten with the fingers because it is too awkward to pick it up with chopsticks
Chopsticks ( or ; Pinyin: ''kuaizi'' or ''zhu'') are shaped pairs of equal-length sticks of Chinese origin that have been used as kitchen and eating utensils in most of East and Southeast Asia for over three millennia. They are held in the domi ...
. For optimal taste and texture, must be eaten quickly after being made because the nori cone soon absorbs moisture from the filling and loses its crispness, making it somewhat difficult to bite through. For this reason, the nori in pre-made or take-out temaki is sealed in plastic film, which is removed immediately before eating.
File:Makizushi.jpg, topped with
File:Roll maki.jpg, in preparation
File:Futomaki zushi in 201902.jpg,
File:8hosomak8.jpg,
File:納豆まき.jpg,
File:Kaiten-zushi 005.jpg,
File:Eho-maki_by_zenjiro.jpg,
Modern
is a traditional form of fermented sushi. Skinned and gutted fish are stuffed with salt, placed in a wooden barrel, doused with salt again, then weighed down with a heavy (pickling stone). As days pass, water seeps out and is removed. After six months, this sushi can be eaten, remaining edible for another six months or more.
The most famous variety of are the ones offered as a specialty dish of Shiga Prefecture, particularly the made from fish of the crucian carp genus, the authentic version of which calls for the use of , a particular locally differentiated variety of wild goldfish
The goldfish (''Carassius auratus'') is a freshwater fish in the family Cyprinidae of order Cypriniformes. It is commonly kept as a pet in indoor aquariums, and is one of the most popular aquarium fish. Goldfish released into the wild have b ...
endemic
Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found els ...
to Lake Biwa
is the largest freshwater lake in Japan, located entirely within Shiga Prefecture (west-central Honshu), northeast of the former capital city of Kyoto. Lake Biwa is an ancient lake, over 4 million years old. It is estimated to be the 13th o ...
.
consists of an oblong mound of sushi rice that a chef typically presses between the palms of the hands to form an oval-shaped ball and a topping (the ) draped over the ball. It is usually served with a bit of wasabi
Wasabi ( Japanese: , , or , ; ''Eutrema japonicum'' or ''Wasabia japonica'') or Japanese horseradish is a plant of the family Brassicaceae, which also includes horseradish and mustard in other genera. The plant is native to Japan and the Russ ...
; toppings are typically fish such as salmon, tuna, or other seafood. Certain toppings are typically bound to the rice with a thin strip of nori, most commonly octopus
An octopus ( : octopuses or octopodes, see below for variants) is a soft-bodied, eight- limbed mollusc of the order Octopoda (, ). The order consists of some 300 species and is grouped within the class Cephalopoda with squids, cuttlefis ...
(), freshwater eel
Eels are ray-finned fish belonging to the order Anguilliformes (), which consists of eight suborders, 19 families, 111 genera, and about 800 species. Eels undergo considerable development from the early larval stage to the eventual adult stage ...
(), sea eel (), squid
True squid are molluscs with an elongated soft body, large eyes, eight arms, and two tentacles in the superorder Decapodiformes, though many other molluscs within the broader Neocoleoidea are also called squid despite not strictly fitting ...
(), and sweet egg ().
is a special type of : an oval, hand-formed clump of sushi rice that has a strip of nori wrapped around its perimeter to form a vessel that is filled with some soft, loose or fine-chopped ingredient that requires the confinement of nori such as roe
Roe ( ) or hard roe is the fully ripe internal egg masses in the ovaries, or the released external egg masses, of fish and certain marine animals such as shrimp, scallop, sea urchins and squid. As a seafood, roe is used both as a cooked ing ...
, , oysters, (sea urchin
Sea urchins () are spiny, globular echinoderms in the class Echinoidea. About 950 species of sea urchin live on the seabed of every ocean and inhabit every depth zone from the intertidal seashore down to . The spherical, hard shells (tests) ...
roe), sweetcorn with mayonnaise, scallops, and quail eggs. was invented at the restaurant in 1941; its invention significantly expanded the repertoire of soft toppings used in sushi.
is a style of sushi made by pressing rice and fish into a ball-shaped form by hand using a plastic wrap.
, also known as , is a pressed sushi from the Kansai region
The or the , lies in the southern-central region of Japan's main island Honshū. The region includes the prefectures of Nara, Wakayama, Kyoto, Osaka, Hyōgo and Shiga, often also Mie, sometimes Fukui, Tokushima and Tottori. The metr ...
, a favorite and specialty of Osaka
is a designated city in the Kansai region of Honshu in Japan. It is the capital of and most populous city in Osaka Prefecture, and the third most populous city in Japan, following Special wards of Tokyo and Yokohama. With a population of ...