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is the
Japanese Japanese may refer to: * Something from or related to Japan, an island country in East Asia * Japanese language, spoken mainly in Japan * Japanese people, the ethnic group that identifies with Japan through ancestry or culture ** Japanese diaspor ...
word for 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 ...
, particularly the
Japanese eel The Japanese eel (''Anguilla japonica''; Japanese: 日本鰻 ''nihon'unagi'') is a species of anguillid eel found in Japan, Korea, China, and Vietnam, as well as the northern Philippines. There are three main species under the Anguilla genus, and ...
, . Unagi is a common ingredient in Japanese cooking, often as ''
kabayaki is a preparation of fish, especially ''unagi'' eel,, vol. 7,"kabayaki" by describes it as being used principally or almost always for ''unagi'' (「もっぱら鰻」) where the fish is split down the back the Japanese dictionary says ''kaba ...
''. It is not to be confused with saltwater eel, which is known as ''
anago is the Japanese word for salt-water eels, normally referring to ma-anago ('' Conger myriaster''). Ma-anago are used for a seafood dish in Japan. They are often simmered (sushi) or deep-fried (tempura), compared to unagi (freshwater eels) which ...
'' in Japanese.


In Japanese cuisine

Unagi is served as part of ''
unadon is a dish originating in Japan. It consists of a '' donburi'' type large bowl filled with steamed white rice, and topped with fillets of eel (''unagi'') grilled in a style known as ''kabayaki'', similar to teriyaki. The fillets are glazed with a ...
'' (sometimes spelled ''unagidon'', especially in menus in Japanese restaurants in Western countries), a '' donburi'' dish with sliced eel served on a bed of rice. A kind of sweet biscuit called ''unagi pie'' made with powdered unagi also exists. Unagi is high in
protein Proteins are large biomolecules and macromolecules that comprise one or more long chains of amino acid residues. Proteins perform a vast array of functions within organisms, including catalysing metabolic reactions, DNA replication, res ...
,
vitamin A Vitamin A is a fat-soluble vitamin and an essential nutrient for humans. It is a group of organic compounds that includes retinol, retinal (also known as retinaldehyde), retinoic acid, and several provitamin A carotenoids (most notably ...
, and
calcium Calcium is a chemical element with the symbol Ca and atomic number 20. As an alkaline earth metal, calcium is a reactive metal that forms a dark oxide-nitride layer when exposed to air. Its physical and chemical properties are most similar t ...
. Specialist unagi restaurants are common in Japan, and commonly have signs showing the word ''unagi'' with
hiragana is a Japanese syllabary, part of the Japanese writing system, along with ''katakana'' as well as ''kanji''. It is a phonetic lettering system. The word ''hiragana'' literally means "flowing" or "simple" kana ("simple" originally as contrast ...
U (う in hiragana or ウ in katakana) is one of the Japanese kana, each of which represents one mora. In the modern Japanese system of alphabetical order, they occupy the third place in the modern Gojūon (五十音) system of collating kana. ...
(transliterated ''u''), which is the first letter of the word ''unagi''.
Lake Hamana is a brackish lagoon in Shizuoka Prefecture, Japan. Formerly a true lake, it is now connected to the Pacific Ocean by a channel. As an internal body of water, it is considered Japan's tenth-largest lake (by area). It spans the boundaries of the ...
in Hamamatsu city, Shizuoka prefecture is considered to be the home of the highest quality unagi; as a result, the lake is surrounded by many small restaurants specializing in various unagi dishes. Unagi is often eaten during the hot summers in Japan. There is even a special day for eating unagi, the midsummer day of the Ox (doyo no ushi no hi). ''Unakyu'' is a common expression used for
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 ...
containing eel and cucumber. As eel is poisonous unless cooked, eels are always cooked, and in Japanese food, are often served with
tare sauce is a general term in Japanese cuisine for dipping sauces often used in grilling (''yakitori'' and ''yakiniku'', especially as ''teriyaki'' sauce) as well as with ''sushi'', ''nabemono'', and ''gyoza''. It can also be used to make the soup for ...
. Unagi that is roasted without tare and only seasoned with salt is known as "Shirayaki."


Sustainability

Seafood Watch __NOTOC__ Seafood Watch is a sustainable seafood advisory list, and has influenced similar programs around the world. It is best known for developing science-based seafood recommendations that consumers, chefs, and business professionals use to i ...
, a sustainable seafood advisory list, recommends that consumers avoid eating unagi due to significant pressures on worldwide freshwater eel populations. All three eel species used as unagi have seen their population sizes greatly reduced in the past half century. For example, catches of the European eel have declined about 80% since the 1960s. The Japanese Ministry of the Environment has officially added Japanese eel to the “endangered” category of the country's Red List of animals ranging from “threatened” to “extinct”. Although about 90% of freshwater eel consumed in the U.S. are farm-raised, they are not bred in captivity. Instead, young eels are collected from the wild and then raised in various enclosures. In addition to wild eel populations being reduced by this process, eels are often farmed in open net pens which allow
parasite Parasitism is a close relationship between species, where one organism, the parasite, lives on or inside another organism, the host, causing it some harm, and is adapted structurally to this way of life. The entomologist E. O. Wilson has ...
s, waste products, and diseases to flow directly back into wild eel habitat, further threatening wild populations. Freshwater eels are
carnivore A carnivore , or meat-eater (Latin, ''caro'', genitive ''carnis'', meaning meat or "flesh" and ''vorare'' meaning "to devour"), is an animal or plant whose food and energy requirements derive from animal tissues (mainly muscle, fat and other s ...
s and as such are fed other wild-caught fish, adding another element of unsustainability to current eel farming practices.


References


External links

* {{Authority control Japanese cuisine terms Japanese seafood