Photo courtesy from Global Seafood Alliance

Artificial intelligence is taking fish farming (and sushi) in Japan to greater heights

The following is an excerpt from an article published by the Global Seafood Alliance:

Japanese companies are increasingly looking to artificial intelligence (AI) for solutions for fishing and fish farming challenges.

Early last year. Umitron began selling its fish feeder Umitron CELL to Kura Osakana Farm, a subsidiary of Japan’s leading revolving sushi chain Kura Sushi. Fast forward to December 2022, and Kura Sushi’s farmed “AI Sumagatsuo” ­– eastern little tuna or mackerel tuna in English – made its debut at Kura Sushi’s restaurants across Japan. The species is currently farmed at a contracted site of Kura Osakana Farm.

By working with Umitron, Kura Sushi’s goal is to reduce production costs, in particular feed, and ensure a stable supply of fish, while encouraging more fish farmers to adopt AI. The company also hopes to help customers appreciate the value and taste of Sumagatsuo, according to a recent press release.

“In order to continue providing delicious sushi to consumers, Kura Sushi needs to ensure that it has a stable supply of high-quality fish,” said Akiko Sato, manager at Umitron. “To achieve this, it’s vital to enhance fish farmers’ working environment and refine their operational and production costs and overall industry management, something that can be accomplished using Umitron CELL.”

Umitron CELL’s automatic feeding feature is powered by the Fish Appetite Index (FAI), Umitron’s AI algorithm that analyzes fish school appetite by monitoring swimming behavior and gives farmers the ability to remotely control the smart feeder from their office PCs or phones. It can also control the amount and speed of feeding by calculating feed requirements. This contributes to a reduction of labor and less environmental impact as uneaten feed does not go to waste.

Sumagatsuo has only recently begun to be produced in Japan, and farmers are still trying to work out how best to rear the species. In this sense, the ability to remotely check on the fish at any time via real-time video and feed them in line with data, such as feed amount and feeding duration, is extremely beneficial.

“Umitron CELL can also help in other ways,” said Sato. “For example, it can contribute to reducing the number of boat trips to offshore pens and subsequent fuel costs, and it improves farmers’ working environment. Some say that they have been able to spend more time with their families because they can feed their fish from home whenever they want, and wherever they are.”

Sumagatsuo is a unique species in that it only takes six months from hatching to reach harvest size (around 1kg). Although it’s not yet clear whether AI can help the fish grow more quickly, it does have a certain effect on improving feeding efficiency. Sato also points out that in the case of other fish species, the growth period of red sea bream reared with Umitron CELL decreased by up to four months, in comparison to the same species grown with a regular feeder.

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With Japan’s aquaculture facing problems such as labor shortages and high management costs, Sato believes that AI can address a host of issues. (continues...)

Author / Source: Bonnie Waycott / Global Seafood Alliance | Read the full article by clicking the link here 

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• Collaboration project between Umitron and Kura Sushi, successfully cultivated young yellowtail using an AI smart feeder (video)

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