RAS Talk is a podcast about Recirculating Aquaculture Systems (RAS) and land-based aquaculture. RAS Talk is hosted by Jean Ko Din, editor of RASTECH magazine, and Justin Henry, RAS consultant & expert. Each episode welcomes a new guest to discuss sustainable seafood production, technology developments and innovative ideas relevant to this rapidly expanding segment of the aquaculture industry.

RAS Talk
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Podcast Overview
RAS Talk is a podcast about Recirculating Aquaculture Systems (RAS) and land-based aquaculture. RAS Talk is hosted by Jean Ko Din, editor of RASTECH magazine, and Justin Henry, RAS consultant & expert. Each episode welcomes a new guest to discuss sustainable seafood production, technology developments and innovative ideas relevant to this rapidly expanding segment of the aquaculture industry.
Language
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Publishing Since
6/19/2020
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Recent Episodes

March 26, 2026
China’s aquaculture frontier with Ragnar Joensen of Nordic Aqua Partners
<p>CEO Ragnar Joensen discusses the Nordic Aqua Partners project in Ningbo, China. He highlights the facility’s strategic location near Shanghai which allows them access to 800 million consumers within 12 hours. The Atlantic salmon project started with a 4,000-ton capacity, expanded to 8,000 tons, and plans to reach 20,000 tons. Ragnar estimates profitability by the end of this year. </p>

February 27, 2026
Chasing the perfect tilapia farm with Carlos Lopez of Spring Genetics
<p>Carlos Lopez, commercial director of Spring Genetics in Miami, Fla., explains the company's history, its focus on growth and disease resistance, and the importance of biosecurity. He details the facility's operations, including the use of UV-treated water, restricted access, and health surveillance. He also offers his thoughts on tilapia aquaculture's potential to expand in the U.S. market, and the potential for future technological advancements in production.</p>

January 26, 2026
Fish welfare as a design principle with Daniel Elton of Lago Sofia
Daniel Elton of Lago Sofia discusses integrating fish welfare as a core design principle in recirculating aquaculture systems, focusing on key areas like feeding and environmental parameters, in this interview.
66 total episodes available with 27 transcripts
Recent guests on RAS Talk
Guests from recent episodes — sign up to see every guest that has ever appeared on this show.
Daniel Elton
Guest
Dave Cerino
Guest
David Serino
Guest
Jesse Trushenski
Guest
Nick King
Guest
Howard Tang
Guest
Thorsten Vammen
Guest
Sara Rademaker
Guest
Yosuke Kurihara
Guest
Trevor Gent
Guest
Bendik Fhyne Terjesen
Guest
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Frequently asked questions
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- What is RAS Talk?
- How often does this podcast release new episodes?
This podcast updates daily.
- Where can I listen to this podcast?
This podcast is available on 7 platforms including Apple Podcasts, Spotify, and more. You can also use the RSS feed directly.
- Does this podcast accept guests?
Yes, this podcast regularly features guests.
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