Atlantic salmon leaps out of water as rotating feed pipe throws feed pellets in pen

atlantic salmon leaps out rotating feed pipe feed pellets marine pen jumping aquafarm commercial controversial industry food production salmo salar fishery pisciculture overpopulation farm fish salmonidae norway stocked norwegian arctic circle oceanfarmed seafood consumerism enclosed sustainable aquaculture scandinavia cage environment europe lucrative business sustainability copy space fish species salmon farming senja island marine environment atlanticsalmon farmedsalmon production arctic controlled protein sea ocean food