They have both been criticised for declaring huge catches of the valuable fish, leading to fears for its sustainability.

BBC: Scots fishermen condemn Faroe Islands over herring move

It sounds like Russo tipped Krebs off to the vulnerability at Plenty of Fish, leading Krebs to call the company for comment.

FORBES: Online Dating Site PlentyofFish Hacked (And Why Reporters Friending Sources on Facebook Can Be a Bad Thing)

And he claimed his government was "leading the way" on fish conservation with a range of ideas developed with fishermen and environmental groups.

BBC: RELATED BBC SITES

The company said amoebic gill disease is partly explained by higher water temperatures than usual and the high level of salinity, leading to increased mortality of fish, lower growth and increased production costs.

BBC: Scottish Salmon Company boosts capacity with Mull licence

They have both been criticised for declaring huge catches of the valuable fish in recent years, leading to fears for its sustainability.

BBC: No cod cuts hailed a 'good deal' for Scotland's fishermen

The island nations have been criticised for declaring huge catches of the valuable fish in recent years, leading to fears for its sustainability.

BBC: Mackerel

Increased protection of natural fisheries is leading to better returns for at least some fish farmers, who now account for half the world's aquatic harvest.

FORBES: Swimming in Prosperity

"In addition to an approximately 60 percent decline in fish production, there has been degradation of pasturelands, leading to a shortage of animal feed estimated at 45 percent in certain places in 2006, reduction in livestock and biodiversity, " the agency said.

CNN: Massive African lake could dry up, U.N. agency says