Aquaculture has consistently underperformed in terms of growth forecasts for at least the last decade.
Wild caught fisheries can't grow in volume because they're at capacity and so aquaculture has always been hyped as a growth area.
Is fish the new farming frontier for New Zealand?
https://www.newsroom.co.nz/podcast-the-detail/is-fish-the-new-farming-frontier-for-new-zealand