Tsurizukan: Japan Fish Guide
Kyosuke Takahashi Reference iPhoneiPadiPod touch
Tsurizukan: Japan Fish Guide is a free Reference app for iPhone and iPad by Kyosuke Takahashi. Requires iOS 16.0. Updated September 3, 2026.
- Price
- Free
- on the App Store
- Size
- 49 MB
- Age 4+
- Updated
- Sep 3
- 2026 · v1.2.0
Screenshots
About Tsurizukan: Japan Fish Guide
What is biting out there, this month. Tsurizukan is a field guide to the fish of Japan, searchable by season, by fishing method, by the kind of place you are standing on, and by name. Every feature works offline — on a breakwater or a boat with no signal. ■ Biting this month Open the app and the first thing you see is what is catchable this month, with the peak-season fish marked. Pick any month from January to December to compare. ■ 567 fish of Japan Search by Japanese name, kana, English name, scientific name or local name. "マダイ", "まだい", "madai" and "sea bream" all find the same fish. 534 species carry a photograph, sourced from Wikimedia Commons and similar CC-licensed material; author and licence are listed inside the app as the licences require. 258 of those species also carry full fishing data — season, method, rig and eating notes where appropriate. ■ Season calendar Every detailed species shows a twelve-month calendar that separates the months it can be caught from its peak months, so you can tell the fish you travel for from the fish you simply run into. ■ Methods and tackle Sixteen methods, including sabiki, float fishing, surf casting, eging, jigging, live-bait fishing, freshwater lure fishing and stream bait fishing. Each one lists its difficulty, the shores it suits, who it suits, and the tackle you need with an indicative price range. Eight kinds of place cover the coast, rivers and lakes. ■ Dangerous fish Venomous spines, venomous bites, toxic flesh, sharp teeth — the fish you should not grab bare-handed, collected in one list and shown at the top of each species page, never collapsed. Note: the hazard and first-aid text is general reference information only. It is not a substitute for the judgement of a professional or a medical practitioner. If you are stung or bitten, or feel unwell, seek medical care. No preparation instructions are given for fish with toxic parts — pufferfish handling requirements vary by prefecture; never prepare a self-caught pufferfish as an amateur. ■ Ten columns Etiquette on the water, the basics of safety, fishing permits and fishing rights, how to check closed seasons and size limits, beginner guides to sabiki / chonage / eging, three knots worth knowing, and how to dispatch and carry your catch. Sources are cited. Note: rules and access conditions vary by place and time. Check current local information before fishing. ■ Works offline The guide data and the photographs are bundled with the app. Search and browse with no connection at all. ■ Nine languages Japanese, English, Simplified Chinese, Traditional Chinese, Korean, Spanish, French, German and Brazilian Portuguese. Not just the interface — the fish descriptions, fishing notes and safety warnings are translated too. Japanese, English and scientific names are shown side by side, which helps if you are fishing in Japan from abroad, or pointing at something in a tackle shop and asking what it is. Note: a fish is shown under its name in your language only where an established one exists; otherwise the English or scientific name is used. ■ Also - Theme: follow device, light or dark - Four text sizes - No account, no sign-up, no login ---------- - This app displays advertising (Google AdMob). - Some pages carry product links that may be affiliate links; this is disclosed where they appear. - Seasons and rules vary by place and time. Check current local information before fishing. Privacy policy: https://tsurizukan.com/privacy/
What’s new
Version 1.2.0 · Updated September 3, 2026
- Added Simplified and Traditional Chinese, Korean, Spanish, French, German and Brazilian Portuguese - Not just the interface: fish descriptions, fishing notes and safety warnings are translated too - The app follows your device language, and you can switch it any time in Settings A fish is shown under its name in your language only where an established one exists; otherwise the English or scientific name is used.
App privacy
The developer, Kyosuke Takahashi, reported these privacy practices to Apple.
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Location: Coarse Location
- Identifiers: Device ID
- Usage Data: Advertising Data
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Location: Coarse Location
- Identifiers: Device ID
- Usage Data: Advertising Data, Product Interaction
Used for: Third-Party Advertising, Analytics
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Tsurizukan: Japan Fish Guide | – | Free | September 3, 2026 | |
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