Turbot and sole farmer Stolt Sea Farm reported its operating profit was down by 57 percent to $900,000 (€816,352) in the fourth quarter of 2019, mainly caused by lower revenues.

However, accounting for inventories at fair-value the company turned a profit of 800,000 (€725,546), the company said.

Revenues were down by 6 percent to $26.6 million (€24.1 million), with turbot showing a decrease in sales while sole showed some growth.

Turbot sales declined by 9 percent, with the report citing the reduction was typical considering seasonal trends.