IN BRIEF - Shrimp and Oysters in the Same Tank – Benefits of Multitrophic Aquaculture
UNITED STATES
Friday, August 02, 2024
Scientists are developing technologies that would make it possible to grow two valuable commodity items even in an ordinary basement.
A scientist from the College of Life Sciences and Agriculture (COLSA) at the University of New Hampshire (UNH) is studying the benefits of integrated multi-trophic aquaculture (IMTA).
IMTA is a system in which two or more organisms are grown together. This process could make shrimp farming more sustainable and support the growth of the industry in the United States.
University of New Hampshire graduate student Elizabeth Martin tests water samples during a shrimp farming study at the University of New Hampshire Coastal Marine Laboratory in 2023. Photo: University of New Hampshire.
Elizabeth Martin, a graduate student in the marine biology program at COLSA, is studying IMTA systems that pair farmed shrimp with filter-feeding species such as oysters to determine whether the pairing will reduce the amount of ammonia and phosphorus that remains in the water during the shrimp farming process.
"Most of the shrimp we consume comes from overseas, and oysters are also one of the most valuable imported seafood products, so developing a local industry will help reduce dependence on these overseas markets," says Martin.
Although shrimp produce ammonia naturally, there are other sources of ammonia, including shrimp feed, which often contains high levels of nitrogen, natural breakdown of feed in the water, dead organisms, feces, and other materials that complicate shrimp aquaculture production. However, in the natural environment of shrimp, there are filter feeders, such as clams, that remove excess nutrients from the water.
The program, funded by RVO and EMFAF, will remain open until September 3, 2026, to mitigate the impact of rising fuel prices on Dutch vessel owners.
The Rijksdienst voor Ondernemend Nederland (RVO) is keeping open until September 3, 2026, a dedicated support line designed for fishing vessel owners affected by escalating fuel costs. The scheme has a total budget of €13.5 million, co-funded at 70% by the European Maritime, Fisheries and Aquaculture Fund (EMFAF), with the remaining 30% provided by the Dutch Government.
The call for applications is aimed exclusively at vessels registered as fishing units in the Netherlands and provides differentiated aid based on license type, engine power, fishing gear, and targeted activity. Eligible categories include North Sea shrimp (Crangon crangon) fishing, mussel (Mytilus edulis) and oyster (Ostrea edulis) farming, as well as various coastal and trawl fishing operations.
The first application window opened on August 20 and will close on September 3, 2026, at 17:00 hours. Compensation is calculated based on liters of diesel supplied between March and June 2026, with reference rates ranging from €0.21 to €0.45 per liter, depending on the month of supply. The maximum grant per vessel ranges from €5,000 to €189,000.
Investors are increasingly interested in “blue economy” innovators – but there are still issues to be addressed if the sector is to reach its full potential. That’s the key message in a report from the European Union’s BlueInvest Investor Report 2026.
BlueInvest, a European Union initiative to boost investment in the EU blue economy, has published a report mapping out the funding ecosystem available the blue economy – the range of industries centred around the sea.
Funds representing €11bn (£9.5bn) in capital are wholly or partially exposed this sector, and there is up to €3bn (£2.6bn) totally dedicated to it, the report finds.
Author: Robert Outram / Fish Farmer | Read the full article here
External experts have visited the Falkland Islands (Islas Malvinas) to present differing perspectives during an ongoing public consultation on the potential introduction of commercial salmon farming.
Initiated by Unity Marine—a joint venture aiming to establish an annual production of 50,000 tonnes—the consultation saw the developer bring in Canadian aquaculture specialists Dr. Gary Marty and Bernie Taekema. The experts detailed environmental assessment models, biosecurity controls, and site selection criteria based on British Columbia's regulatory framework.
Conversely, opposition campaigners from Salmon Free Falklands brought in Louise Cherrie, a former environmental authority insider from Tasmania, to highlight concerns regarding local governance, carrying capacity, and long-term marine ecosystem risks. Public engagement on the matter continues through October 30, 2026.
New Dalian subsidiary will integrate seed, breeding, R&D and marine aquaculture
Zoneco Group will establish Zhangzidao Seed Technology with RMB 20 million (US$2.97 million) in capital, consolidating seed, genetics and R&D. Its existing Qingdao Qianyan unit posted RMB 115.45 million in revenue and RMB 10.80 million net profit in H1 2026.
The Chinese firm Zoneco Group announced plans to establish a wholly-owned subsidiary focused on consolidating its operations in seed development, genetic improvement, scientific research, and marine aquaculture.
Faroese and foreign vessels intensify operations in international waters north of the archipelago
Mackerel fishing is picking up around the Faroe Islands. Greenlandic vessels Polar Amaroq and Polar Princess landed or scheduled 600 and 700 tonnes in Kollafjørður, while Faroese vessels joined the fishery. On August 25, Norðingur landed 120 tonnes at Pelagos in Fuglafjørður before returning to the grounds.
UF professor honored for his global contributions to aquaculture economics and policy
James Anderson, professor at the University of Florida, was named a 2026 World Aquaculture Society Fellow, recognizing his leadership in aquaculture economics, markets and policy. His work includes the Aquaculture Performance Indicators (APIs), a framework assessing economic, environmental and community outcomes across 80+ aquaculture systems worldwide.
Anderson’s own interest in the discipline started not with economics, but with the first fish tank he owned as a child.
TS3 system provides GPS updates every 30 seconds for small-scale coastal fleets
Fiji is piloting Triton’s Spear (TS3), developed by Japan’s Ocean Solution Technology with JICA support. The solar-powered system tracks vessels via GPS every 30 seconds, aiming to improve fisher safety, coastal resource management and sustainable fisheries across the Pacific.
Businessman Álvarez Castellano says the magistrate left unsigned the document that would allow the *J. Barreiro* to resume fishing operations.
Although the Argentine courts ruled to lift the suspension imposed on the *J. Barreiro*—a vessel belonging to the Conarpesa group (42% owned by the Galician firm Wofco)—the ship remained detained as of Tuesday, according to Fernando Álvarez Castellano, director of the Argentine fishing company. He attributes the delay to the missing signature of the judge who originally halted the vessel; she is no longer handling the case after the businessman announced legal action against her.
Author: Cecilia Valdez / La Voz de Galicia | Read the full article here
DSM-Firmenich?Animal Nutrition & Health today announced an update to its Digital SalmoFan software, adding a new algorithm designed to accurately measure trout fillet colour for partners across the entire value chain.
The Digital SalmoFan is a portable device that measures the colour of salmon and trout fillets digitally, using a numeric scoring system. This latest innovation builds on the foundations of the existing physical SalmonFan colour chart widely used in the global salmon industry for fillet colour measurement.
Source: fishfarmingexpert | Read the full article here
Pakistan’s seafood exports to China rose sharply to US$220 million during the first seven months of the current year, registering a 41% year-on-year increase from the corresponding period last year, according to the General Administration of Customs of China.
The growth reflected strong Chinese demand for a diverse range of marine products, particularly frozen fish, cephalopods and live crustaceans. Miscellaneous frozen whole fish led individual categories, generating US$40.04 million from 19,834 tonnes. Frozen cuttlefish and squid varieties together contributed US$36.39 million.
Frozen sardines and sprats generated US$19.49 million from 22,458 tonnes, while live and chilled mud crabs brought in US$18.70 million. Other significant exports included frozen octopus worth US$9.16 million, fish fillets and meat at US$7.71 million, frozen shelled shrimp and prawns at US$6.86 million, and flatfish at US$5.71 million.
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UNITED STATES
NETHERLANDS
EUROPEAN UNION
Investors are increasingly interested in “blue economy” innovators – but there are still issues to be addressed if the sector is to reach its full potential. That’s the key message in a report from the European Union’s BlueInvest Investor Report 2026.
FALKLAND ISLANDS
CHINA.png)
FAROE ISLANDS
Faroese and foreign vessels intensify operations in international waters north of the archipelago
UF professor honored for his global contributions to aquaculture economics and policy
FIJI.png)
TS3 system provides GPS updates every 30 seconds for small-scale coastal fleets
ARGENTINA
Businessman Álvarez Castellano says the magistrate left unsigned the document that would allow the *J. Barreiro* to resume fishing operations.
UNITED KINGDOM
DSM-Firmenich?Animal Nutrition & Health today announced an update to its Digital SalmoFan software, adding a new algorithm designed to accurately measure trout fillet colour for partners across the entire value chain.
The growth reflected strong Chinese demand for a diverse range of marine products, particularly frozen fish, cephalopods and live crustaceans. Miscellaneous frozen whole fish led individual categories, generating US$40.04 million from 19,834 tonnes. Frozen cuttlefish and squid varieties together contributed US$36.39 million.
