Credit: Yvonne Roessner (Germany) The attached photos are from Germany on the farming of Mytilus edulis (blue mussel) in the Kiel Fjord (Western Baltic Sea, brackish water with approximately 15 PSU salinity). Mussels are grown on longlines (100m long, 7.5m distant from each other, 10 m water depth). On the longlines mussel substrates (collector material during …