Which is a shame, because the U.S. has the largest federal water zone in the world, with more ocean area suitable for deep-water fish farming than the country has arable land area.

FORBES: Regulatory Uncertainty Drives A Fish Farmer To Foreign Waters

"The high latitude North Atlantic Ocean is a globally important ocean region, as it is a sink for atmospheric carbon dioxide and an area where deep water formation takes place, " Prof Achterberg observed.

BBC: Iceland volcano ash cloud triggers plankton bloom