The government has announced changes to mackerel quotas for inshore fishermen following a pilot scheme.
Quotas for the inshore North Sea will be permanently increased from 300 tonnes to 1,000 tonnes.
Those in the West of Scotland will be cut from 300 tonnes to 100 tonnes - double the proposed reduction to 50.
The permanent expansion in the North Sea will apply to handline fisheries and is said to be worth around £1.3 million to the north east economy.
The extra allocation will be for fishing vessels of 10 metres in length and under, with any surplus quota returning to the wider Scottish sector.
The decision follows a four-year pilot and consultation with the industry.
Rural Economy Secretary Fergus Ewing said: "Scotland's inshore fisheries are a valuable resource, providing a source of delicious, locally caught seafood and supporting coastal and rural economies.
"This announcement will establish permanent rights for smaller fishing operations to catch up to 1,000 tonnes of mackerel in the North Sea each year, which is a substantial increase.
"The Scottish Government is continuing to engage with the industry and Marine Scotland to protect our natural marine environment, whilst ensuring a fair and sustainable seafood industry in the future."
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