{"id":1702,"date":"2026-07-12T21:04:47","date_gmt":"2026-07-12T12:04:47","guid":{"rendered":"https:\/\/sushi-tanji.com\/en\/kohada-edomae-shinko-guide\/"},"modified":"2026-07-14T18:58:15","modified_gmt":"2026-07-14T09:58:15","slug":"kohada-edomae-shinko-guide","status":"publish","type":"post","link":"https:\/\/sushi-tanji.com\/en\/kohada-edomae-shinko-guide\/","title":{"rendered":"Kohada, the Edomae Touchstone: Salt, Vinegar and July&#8217;s Shinko"},"content":{"rendered":"\n\n<style>\n.tsa{--ink:#1c1a17;--muted:#6f685c;--gold:#c4a44c;--gold-deep:#59502a;--cream:#faf8f3;--sand:#f3eee3;--line:#e7e0d1;\n--serif:var(--swl-font_family,\"Noto Serif JP\",Georgia,serif);--sans:-apple-system,BlinkMacSystemFont,\"Helvetica Neue\",\"Hiragino Kaku Gothic ProN\",Meiryo,sans-serif;\nfont-family:var(--serif);color:var(--ink);line-height:1.95;font-size:16.5px}\n.tsa *{box-sizing:border-box}\n#main_content .p-toc,#main_content .swell-toc-placeholder{display:none!important}\n.tsa 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2px 4px,#e5cf94 4px 6px,transparent 6px 8px,#e5cf94 8px 10px)}\n  .tsa-toc-cb:checked ~ .tsa-side .tsa-toc-fab{display:none}\n  .tsa-toc-close{display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;background:#fff;padding-bottom:8px;margin-bottom:4px}\n  .tsa-toc-close .x{font-family:var(--sans);font-size:24px;font-weight:300;color:var(--muted);cursor:pointer;line-height:1;padding:0 4px}\n}\n\n\n@media (max-width:999px){\nhtml body #body_wrap{overflow-x:hidden}\nhtml body #main_content article,html body #main_content>div>div>div{margin-left:0!important;padding-left:0!important}\nhtml body #main_content,html body .l-mainContent__inner,html body .post_content{max-width:100%!important;overflow-x:hidden}\n.tsa,.tsa-main,.tsa-layout{max-width:100%;min-width:0;overflow-wrap:break-word}\n.tsa{padding-bottom:72px}\n}\n<\/style>\n\n<div class=\"tsa\" itemscope itemtype=\"https:\/\/schema.org\/Article\">\n<meta itemprop=\"inLanguage\" content=\"en\">\n<meta itemprop=\"headline\" content=\"Kohada, the Edomae Touchstone: Salt, Vinegar and July&#x27;s Shinko\">\n<meta itemprop=\"datePublished\" content=\"2026-07-12\">\n<meta itemprop=\"dateModified\" content=\"2026-07-12\">\n<span itemprop=\"author publisher\" itemscope itemtype=\"https:\/\/schema.org\/Organization\" style=\"display:none\"><meta itemprop=\"name\" content=\"The Tokyo Sushi Guide by Sushi Tanji\"><\/span>\n<div class=\"tsa-layout\">\n<main class=\"tsa-main\">\n\n<div class=\"tsa-meta\">\n  <span>Part of <a href=\"https:\/\/sushi-tanji.com\/en\/tokyo-sushi-guide\/\"><b>The Tokyo Sushi Guide<\/b><\/a><\/span>\n  <span>Reviewed by <b>Tatsuo Takada<\/b><\/span>\n  <span>Updated <b><time datetime=\"2026-07-12\">July 12, 2026<\/time><\/b><\/span>\n  <span>Reading time <b>about 6 minutes<\/b><\/span>\n<\/div>\n\n<p class=\"lead\" itemprop=\"description\">Few fish reveal a chef&#8217;s hand as honestly as kohada, the gizzard shad. It has never been an expensive fish, yet Edomae sushi houses, keepers of the old Tokyo style, have long measured a craftsman&#8217;s skill by it. Here we look at why kohada is known as a <b>touchstone<\/b>, what the work of salt and vinegar actually involves, plus shinko, the infant fish whose season opens each July.<\/p>\n\n<div class=\"tsa-learn\">\n  <p class=\"t\">What you will learn<\/p>\n  <ul><li>Why kohada is called the touchstone of Edomae sushi<\/li><li>The names it takes as it grows: shinko, kohada, nakazumi, konoshiro<\/li><li>How the salt and vinegar cure unfolds, plus what decides its depth<\/li><li>Why July&#x27;s shinko is served several fillets to a single piece<\/li><li>Where kohada falls in an omakase, together with how to enjoy it<\/li><\/ul>\n<\/div>\n\n<h2 id=\"why-kohada\">A sushi house reveals itself in its kohada<\/h2>\n<p>So the old saying goes. The reason is simple: kohada is not a fish whose quality can be bought at the market. Where tuna can carry a piece on the strength of the ingredient alone, kohada depends entirely on the hands that prepare it. How the salt is applied, how long the fish rests in vinegar, how the knife scores the skin: these decide everything. There is nowhere to hide, which is why a chef keeps returning to this one fish for a lifetime.<\/p>\n<p>Among the silver-skinned fish known as hikarimono, kohada allows the widest range in how firmly it is cured. Two houses working with the same catch on the same day will serve two entirely different pieces. Few toppings reward comparison quite so richly.<\/p>\n<h2 id=\"shusseuo\">From shinko to konoshiro: a fish that changes its name<\/h2>\n<p>Kohada is what the Japanese call a shusseuo, a fish renamed as it grows. The fry born in summer are <b>shinko<\/b>; a little larger they become <b>kohada<\/b>; larger still, <b>nakazumi<\/b>; the fully grown fish is <b>konoshiro<\/b>. Curiously, its market value falls as it grows. What sushi chefs prize is the small, labour-intensive shinko together with kohada.<\/p>\n<div class=\"tblwrap\"><table><thead><tr><th>Name<\/th><th>Approximate size<\/th><th>Role at the counter<\/th><\/tr><\/thead><tbody><tr><td>Shinko<\/td><td>Around 4\u20137 cm<\/td><td>The first taste of the season, arriving around July. Served several fillets to a single piece<\/td><\/tr><tr><td>Kohada<\/td><td>Around 7\u201310 cm<\/td><td>The classic single-fillet nigiri, where the chef&#8217;s work shows most clearly<\/td><\/tr><tr><td>Nakazumi<\/td><td>Around 13 cm<\/td><td>Sometimes cut from a half fillet for nigiri<\/td><\/tr><tr><td>Konoshiro<\/td><td>15 cm or more<\/td><td>Its fine bones grow assertive; generally thought better grilled than served as sushi<\/td><\/tr><\/tbody><\/table><\/div>\n<h2 id=\"shio-su\">Salt and vinegar: judgement, not recipe<\/h2>\n<p>The preparation begins with butterflying each fish, then salting it. Salt draws out excess moisture along with any lingering odour, firming the flesh. Then comes the vinegar. The difficulty is that neither step can be fixed in minutes: the right timing shifts every day with the size of the fish, how much fat it carries, even the temperature of the room.<\/p>\n<ol class=\"tsa-flow\"><li><b>Butterflied, then salted<\/b><span>Size and fat content decide both the amount of salt and the time it stays on.<\/span><\/li><li><b>Rinsed clean<\/b><span>The excess salt is washed away while the chef checks the state of the flesh.<\/span><\/li><li><b>Rested in vinegar<\/b><span>The heart of the cure. Too brief and the fish tastes raw; too long and it turns firm.<\/span><\/li><li><b>Left to settle<\/b><span>Lifted from the vinegar, the fish rests a while so the flavour can compose itself.<\/span><\/li><\/ol>\n<div class=\"tsa-point\"><b>The essential point:<\/b> There is no fixed recipe for salt or vinegar. Reading each day&#8217;s fish, then judging afresh, is itself the heart of Edomae work.<\/div>\n<h2 id=\"shinko\">July, when the shinko season begins<\/h2>\n<p>In July, shinko reach the counter. These are tiny fish, a few centimetres long, so small that two or three fillets are draped over a single bed of rice in what chefs call a <b>layered piece<\/b>. The smaller the fish, the harder it is to open, harder still to cure; the labour dwarfs that of ordinary kohada. Yet many guests wait all year for the first shinko, because its pale, delicate flavour exists only in these few weeks.<\/p>\n<p>At <a href=\"https:\/\/sushi-tanji.com\/en\/concept\/\">Sushi Tanji<\/a> in Oku-Akasaka, the air in the kitchen changes when the shinko arrive each July. For a house devoted to the classical Edomae repertoire of curing and marinating, shinko marks a turning point in the year.<\/p>\n<h2 id=\"ajiwai\">Enjoying kohada at the counter<\/h2>\n<p>In an omakase course, where the chef sets the progression, kohada tends to appear around the middle. Because the fish is already cured, it wants very little soy sauce; where the chef brushes it with nikiri, a seasoned soy glaze, the piece is complete as it arrives. Hands or chopsticks, whichever feels natural, will serve you well. The decorative knife work scored into the silver skin is not merely ornamental; it softens the cured flesh into an even, pleasing bite.<\/p>\n<h2 id=\"sake\">The tang of vinegar, the company of sake<\/h2>\n<p>Cured in vinegar as it is, kohada may be the topping most often discussed alongside sake. Many guests reach for a kimoto, a traditionally fermented style with firm acidity; others prefer a clean, unadorned junmai. The pleasure of changing your drink from piece to piece is perhaps most vivid with kohada. When in doubt, simply ask across the counter; the question is always welcome.<\/p>\n\n<h2 id=\"faq\">Frequently asked questions<\/h2>\n<div class=\"tsa-faq\" itemscope itemtype=\"https:\/\/schema.org\/FAQPage\"><details itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"><summary itemprop=\"name\">When is shinko in season?<\/summary><div class=\"a\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"><div itemprop=\"text\"><p>Most years it appears from around July, with the heart of the season running into August. The fish grows quickly, so the window for the smallest early shinko is brief. Some years it closes within a few weeks.<\/p><\/div><\/div><\/details><details itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"><summary itemprop=\"name\">Are kohada and konoshiro the same fish?<\/summary><div class=\"a\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"><div itemprop=\"text\"><p>They are. The name changes with each stage of growth: shinko, then kohada, then nakazumi, with konoshiro as the adult. Sushi chefs work chiefly with shinko as well as kohada; the large konoshiro carries assertive fine bones, so it is generally thought better grilled.<\/p><\/div><\/div><\/details><details itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"><summary itemprop=\"name\">I find silver-skinned fish difficult. Is kohada still worth trying?<\/summary><div class=\"a\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"><div itemprop=\"text\"><p>The impression hikarimono leaves depends greatly on the house. A lightly cured kohada carries no sharp edge of vinegar; it can be surprisingly gentle. Mentioning your hesitation, then trying a single piece, is one of the quiet pleasures of the counter. There is no need to brace yourself.<\/p><\/div><\/div><\/details><details itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"><summary itemprop=\"name\">Why is shinko said to be costly?<\/summary><div class=\"a\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"><div itemprop=\"text\"><p>Each fish, only a few centimetres long, must be opened one by one before it is cured, so the labour behind a single piece is considerable. Early in the season the catch itself is scarce, which adds rarity to the effort. What you are tasting is less the fish than the chef&#8217;s time.<\/p><\/div><\/div><\/details><\/div>\n\n<div class=\"tsa-cta\">\n  <p class=\"k\">From the guide to the counter<\/p>\n  <h3>Taste it at our eight-seat counter in Oku-Akasaka.<\/h3>\n  <p>Classic Edomae craft with careful modern aging &#8211; served piece by piece, with English guidance for overseas guests.<\/p>\n  <a class=\"btn\" href=\"https:\/\/www.tablecheck.com\/en\/shops\/sushi-tanji\/reserve\" rel=\"noopener\">Reserve at Sushi Tanji<\/a>\n  <a class=\"sub\" href=\"https:\/\/sushi-tanji.com\/en\/tokyo-sushi-guide\/\">Explore The Tokyo Sushi Guide<\/a>\n<\/div>\n\n<div class=\"tsa-chef\" itemscope itemtype=\"https:\/\/schema.org\/Person\">\n  <img decoding=\"async\" src=\"https:\/\/sushi-tanji.com\/en\/wp-content\/uploads\/2024\/06\/IMG_4764.jpg\" alt=\"Head chef of Sushi Tanji at the counter\" loading=\"lazy\" itemprop=\"image\">\n  <div>\n    <p class=\"k\">Reviewed by<\/p>\n    <b itemprop=\"name\">Tatsuo Takada<\/b>\n    <p itemprop=\"description\">Head chef and owner of Sushi Tanji. Trained in the Edomae tradition and rooted in Kyushu, he leads the eight-seat omakase counter in Oku-Akasaka, Tokyo, and reviews The Tokyo Sushi Guide.<\/p>\n  <\/div>\n<\/div>\n\n<div class=\"tsa-rel\">\n  <p class=\"t\">Continue the guide<\/p>\n  <ul><li><a href=\"https:\/\/sushi-tanji.com\/en\/maguro-akami-chutoro-otoro-explained\/\">Maguro at the Counter: Akami, Chutoro, Otoro Explained<\/a><\/li><li><a href=\"https:\/\/sushi-tanji.com\/en\/sushi-sake-pairing-guide\/\">Sake with Sushi: Three Principles Beyond Light and Dry<\/a><\/li><li><a href=\"https:\/\/sushi-tanji.com\/en\/july-sushi-tokyo-summer-fish\/\">What Sushi to Eat in July: Tokyo&#x27;s Summer Fish, Month by Month<\/a><\/li><li><a href=\"https:\/\/sushi-tanji.com\/en\/category\/fish-encyclopedia\/\">More in fish encyclopedia<\/a><\/li><\/ul>\n<\/div>\n\n<\/main>\n<input type=\"checkbox\" id=\"tsatoc\" class=\"tsa-toc-cb\">\n<aside class=\"tsa-side\">\n<label class=\"tsa-toc-fab\" for=\"tsatoc\" aria-label=\"Open contents\"><span>Contents<\/span><\/label>\n<nav class=\"tsa-toc-box\" aria-label=\"Contents\">\n<div class=\"tsa-toc-close\"><span class=\"tsa-toc-ttl\">Contents<\/span><label class=\"x\" for=\"tsatoc\" aria-label=\"Close\">\u00d7<\/label><\/div>\n<ol><li><a href=\"#why-kohada\">A sushi house reveals itself in its kohada<\/a><\/li><li><a href=\"#shusseuo\">From shinko to konoshiro: a fish that changes its name<\/a><\/li><li><a href=\"#shio-su\">Salt and vinegar: judgement, not recipe<\/a><\/li><li><a href=\"#shinko\">July, when the shinko season begins<\/a><\/li><li><a href=\"#ajiwai\">Enjoying kohada at the counter<\/a><\/li><li><a href=\"#sake\">The tang of vinegar, the company of sake<\/a><\/li><li><a href=\"#faq\">Frequently asked questions<\/a><\/li><\/ol>\n<\/nav><\/aside>\n<label class=\"tsa-toc-backdrop\" for=\"tsatoc\" aria-hidden=\"true\"><\/label>\n<\/div>\n<\/div>\n\n","protected":false},"excerpt":{"rendered":"<p>Why kohada is called the touchstone of Edomae sushi: the work of salt and vinegar, the fish&#8217;s changing names, plus the fleeting shinko season of July.<\/p>\n","protected":false},"author":1,"featured_media":1712,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","_bmp_alt_url":"https:\/\/sushi-tanji.com\/kohada-edomae-shinko-guide\/","footnotes":""},"categories":[27],"tags":[],"class_list":["post-1702","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-fish-encyclopedia"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - 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