First-time biomass of this size has been put in a pen and submerged 30 meters below the surface, says aquaculture equipment supplier. AKVA writes that its Atlantis Sub Sea project, a collaboration between salmon farmer SinkabergHansen and cage net maker Egersund, has put the second round of fish into the sea in at a site in Central Norway. The goal is to have the pen submerged as much as possible and at the surface as little as possible. This would...