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Researchers in Scotland, Sweden and Canada are exploring the potential of sea cucumbers, the squishy detritivores that can help clean up behind fish pens. 

In the authors’ recent study, sea cucumbers were added directly to abalone cages with no modifications of the culture equipment to form a simple, low-cost IMTA production system. 

University of Stirling research finds sea cucumbers can flourish by feeding on organic fish farm waste and subsequently be a high-value product. 

If an animal is stressed, its immune function decreases, and vulnerability to diseases increases. Since there is currently no effective treatment for disease in echinoderms, the authors examined the impacts of handling and salinity fluctuations on the immune functions of sea cucumbers and sea urchins. 

While sea cucumbers are one of the most prized seafoods in China and Asia, their production suffers from suboptimal juvenile production. The use of proper feeds and overall management in the nursery can improve yield and survival. 

Advances in the culture of sea cucumber species are countering the overexploitation of wild populations. Protocols for intensive hatchery production are well established, and juvenile production efficiency has improved. 

Sandfish, a high-value sea cucumber, supports the aquaculture of other fish species by cleaning up waste on the bottoms of ponds or sea cages. 

Farming sea cucumbers – known as sea slugs in China – is changing people’s lives, giving rural workers in Madagascar a potential pathway out of poverty. 

Reporting key insights into the genetic structure and connectivity of Fijian sandfish but more research is needed for conservation and management. 

Polyculture production boosts fish and/or shellfish biomass and harvests by maximizing the different feeding habits and habitat preferences of varied culture species. 

France Haliotis illustrates how determination can make the difference between survival and success in abalone aquaculture. 

Mexico has a wide diversity of areas and water temperatures that are suitable for a variety of aquaculture species. 

An Indigenous business operating in Atlantic Canada is testing a sea urchin vacuum developed by C Robotics to improve harvesting efficiency. 

Apps, traps and vaccines are among the innovative solutions for the costly sea lice challenge in salmon aquaculture. 

Vibrio harveyi is a serious pathogen for several important maricultured fish and invertebrates in warm waters of Asia, southern Europe and South America. 

Threats from overfishing and climate change highlight the need for alternative methods of local seafood production and economic advancement throughout the Pacific Islands. Ongoing work with giant clams, pearl oysters and crabs helps meet consumer needs and replenish stocks. 

Michael Rubino and Gunnar Knapp list key reasons why U.S. marine aquaculture has been limited to a scale far below its vast potential. 

Salmon farmers, using emerging technologies, are exploring new methods of sea lice mitigation in an effort to overcome one of the industry’s most persistent problems. New chemical-free innovations show an industry eager to adapt and adopt environmentally safe practices.