In 2020, Lower Saxony, Germany, saw two farms engaging in the production of algae through aquaculture, as reported by the Lower Saxony State Statistical Office. The report also highlighted Lower Saxony as the leading producer of European eels in Germany, despite a slight decrease in production. The region also experienced a 5.1% increase in rainbow trout production. The majority of the farms, about half (51%), marketed their products directly to end consumers, while the rest predominantly used wholesalers for selling. The report also noted that it included farms with trout ponds, basins, and flow channels, as well as other aquaculture systems.