The mesopelagic area of the ocean, known as the “twilight zone” ranges from roughly 650 to 3,000ft (200-900m). Given its remote depths, this zone has remained largely undisturbed to date. However, given the dwindling fish supply in more accessible waters and increased demand for crucial fish feed for growing farming aquaculture, fishing nations such as Norway are now exploring commercial opportunities in this abyss, including trawling.
Research published in 2014 suggested a global mesopelagic biomass up to 10 billion metric tons. While the logistical challenges of both access and processing remain formidable, interest is still growing given the attractive volumes indicated.
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