--- description: Find out why Shinkei Poseidon is on TIME's list of 2025's best inventions. title: Shinkei Poseidon: The Best Inventions of 2025 image: https://static.time.com/v3/assets/bltea6093859af6183b/bltf1a2852b6c3f6452/6998ca3266d4e30d02cbce20/poseidon-TIME-best-inventions-2025.jpg?branch=production&width=3840&quality=75&auto=webp&crop=16:9 --- Oct 09, 2025 # Shinkei Poseidon A more humane approach to commercial fishing by [Catherine Boudreau](/author/catherine-boudreau/) ## Catherine Boudreau Update your preferences in [Account Settings](/account/preferences/) Close  Courtesy Shinkei Systems Most fish that we eat die slowly as they flop around on a boat deck, releasing stress hormones and lactic acid that can degrade quality and shelf life. Shinkei Systems invented Poseidon, an AI-powered robot that makes fish deaths more humane by automating a centuries-old Japanese slaughtering technique known as “ike-jime.” Poseidon scans fish using computer vision to determine their species, and then kills them instantly. Seven commercial fishing boats are now using the robot; Shinkei Systems then buys and sells the high-quality fish under its brand, [Seremoni](https://www.seremoni.com/ "undefined"), to upscale restaurants and grocers including Daniel in New York and Benu in San Francisco. These are independent reviews of the products mentioned, but TIME receives a commission when purchases are made through affiliate links at no additional cost to the purchaser. ```json [{"@context":"https://schema.org","@type":"Article","@id":"https://time.com/collections/best-inventions-2025/7318338/shinkei-poseidon/","mainEntityOfPage":{"@type":"WebPage","@id":"https://time.com/collections/best-inventions-2025/7318338/shinkei-poseidon/"},"headline":"Shinkei Poseidon","datePublished":"2025-10-09T11:00:17.000Z","dateModified":"2026-04-13T11:54:52.292Z","description":"","url":"https://time.com/collections/best-inventions-2025/7318338/shinkei-poseidon/","keywords":["Tech","E-Commerce","list","franchise","Magazine","best inventions","Special Project","sponsorshipblock","Accolades","Best Inventions 2025"],"thumbnailUrl":"https://static.time.com/v3/assets/bltea6093859af6183b/bltf1a2852b6c3f6452/6998ca3266d4e30d02cbce20/poseidon-TIME-best-inventions-2025.jpg?branch=production&width=1200&quality=75&auto=webp&crop=1200:675&height=675","author":[{"@type":"Person","name":"Catherine Boudreau","jobTitle":null,"url":"https://time.com/author/catherine-boudreau/"}],"creator":"Catherine Boudreau","articleSection":"Business","image":[{"@type":"ImageObject","url":"https://static.time.com/v3/assets/bltea6093859af6183b/bltf1a2852b6c3f6452/6998ca3266d4e30d02cbce20/poseidon-TIME-best-inventions-2025.jpg?branch=production&width=1200&quality=75&auto=webp&crop=1200:675&height=675","width":1200,"height":675}],"publisher":{"@type":"Organization","name":"Time","url":"https://time.com/","logo":{"@type":"ImageObject","url":"https://time.com/images/logo.png","width":528,"height":156},"foundingDate":"March 3, 1923","sameAs":["https://www.facebook.com/time","https://www.instagram.com/time/?hl=en","https://twitter.com/time","https://www.pinterest.com/timemagazine"]}},{"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"item":{"@id":"/section/business/","name":"Business"}},{"@type":"ListItem","position":2,"item":{"@id":"/tag/time-section-tech/","name":"Tech"}},{"@type":"ListItem","position":3,"item":{"@id":"https://time.com/collections/best-inventions-2025/7318338/shinkei-poseidon/","name":"Shinkei Poseidon"}}]}] ```