Nearly a third more fish were landed in Scotland last year but there was a decline in jobs and the prices of some valuable species, according to official statistics.
The total quantity of sea fish and shellfish landed rose by 31% to 481,000 tonnes in 2014.
However, the total value only rose by 18% to £514m as a result of falling herring, mackerel and hake prices.
The number of fishermen fell by nearly 200 to just under 4,800.
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The real terms price per tonne for herring dropped by nearly 25% over the year, while mackerel was down by 15%. Hake and monkfish prices were down less than 10%.
There was a 20% rise in the value of haddock and a smaller rise in the value of shellfish.
The figures were compiled by Scotland's chief statistician, external.
Fisheries Secretary Richard Lochhead said: "Despite the volatile weather conditions, it is good to see that the overall volume of landings from the Scottish fleet held up well in 2014, increasing in fact by 31%.
"I'm particularly pleased with the news that the value of mackerel landings increased in real terms by 52% in 2014 compared to 2013 - it is the most valuable stock to the Scottish fleet, accounting for 38% - an impressive £195m - of the total value of Scottish landings."
