RAS Talk

David Serino, director of Aquaculture Research & Development at Carteret Community College, discussed the potential of striped bass in land-based aquaculture. He highlighted the benefits of retrofitting existing sites, such as a former hog farm in North Carolina, to create a 1,500-ton annual production facility. The project aims to scale up production gradually, leveraging existing infrastructure and partnerships to enhance efficiency and reduce costs.

This is a special episode that shares the live keynote presentation at Hatchery International's World Trout Culture Summit 2025. The Riverence Group is the leading trout producer and egg supplier in North America. Chief Science Officer Jesse Trushenski shared about the company's strategic thinking behind Riverence’s breeding principles and growing ASC-certified rainbow trout and Steelhead in land-based aquaculture farms in southern Idaho. Discover the philosophies that have underpinned their success and gain insight into Riverence’s vision for the future of trout aquaculture.

SalmoGen Company was first established in 2022 to develop a St. Johns River salmon strain for commercial aquaculture production. The broodstock is being developed at the National Cold Water Marine Aquaculture Center by the U.S. Department of Agriculture (USDA) program in Maine. General manager, Nick King, shares insights about establishing a new salmon genetics company for North America and how the new company is gearing up for its first commercial sale of eggs in fall 2026.

To celebrate the end of the RASTECH 2025 Conference and Trade Fair, Jean Ko Din sits down with her co-host, Justin Henry, and Howard Tang, CEO of Peritus Capital to talk about takeaways from the show in San Diego, Calif. Justin was session chair of a New Projects session that showcased new innovators in recirculating aquaculture, while Howard hosted the Investors’ Forum to talk about the investment activity in RAS for the past year.

Success in RAS can come in all shapes and sizes. At RASTECH 2025 (June 9-10 in San Diego, Calif., USA), our keynote panel explores how their farms forged their own path of profitability, and on their own terms.Our panelists:Thorsten Vammen is the general manager of FREA Solutions, based in Denmark. FREA AS is fully recirculated facility raising rainbow trout in Felding, Denmark. Located just a few metres from FREA Solutions’ headquarters, the facility has been operating since 2014, producing over 2,800 tonnes of fish annually across two 4,000 m² buildings.Sara Rademaker is the founder and CEO of American Unagi, a glass eel recirculating hashtag#aquaculture farm in Waldoboro, Maine. American Unagi is the first and only producer and processor in the U.S. of locally sourced and harvested American glass eel. The large-scale farm was built in 2023 to produce 240 tonnes annually and plans to double its capacity within the year.Yosuke Kurihara is the co-founder and CEO of ARK Inc. based in London, U.K. and Tokyo, Japan. Established in 2020, the company developed a small-scale, 10-square-metre Closed Recirculating Aquaculture System (CRAS) known as "ARK" that supports off-the-grid aquaculture with solar power generation and a solar hot water supply. There are currently six units installed and in operation in cities across Japan.