News features and technical articles about the evolution of aquaculture, one of the world’s fastest growing industries.

James M. Ebeling


An engineer’s design for a classroom aquaculture-aquaponics system

An aquaponics teaching system was designed, built and operated by students at the University of Arizona, integrating its operation and management into the educational curriculum. This engineering design will require minimum maintenance and will last years. 

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Backup oxygen, power systems essential insurance

Although essential, emergency backup systems do not have to be complicated or expensive. For power loss, automated phone dialers alert off-site staff. Backup electric generators provide needed power for aerators, pumps and other equipment. 

Health & Welfare

‘Boutique’ RAS for spotted sea trout

A boutique design project validated a land-based, recirculating production system capable of producing 50 metric tons of spotted sea trout per year.