Mesopelagics-New gold rush or castle in the sky?

The growing world population requires large, renewable sources of nutritional food. Fish and other marine re-sources are nutrient dense and rich in healthy marine omega-3 lipids (EPA and DHA) beneficial to humans and animals alike. However, only about 6% of current fisheries are underexploited. Although improvements in fisheries management can increase marine production, aquaculture and untapped marine resources may contribute to a greater degree. Mesopelagic fish have increasingly gained interest as a massive unexploited marine resource. We did a literature review considering the narratives of mesopelagics (especially fish) as a new source of marine resource and compared this to similar narratives about the zooplankton redfeed (Calanus fin-marchicus) -another marine resource that was considered equal in terms of potential. We found that mesope-lagics have the potential to contribute to food production through usage in fish feed, but more significantly by direct human consumption. However, proper markets and demand must be present for them to make harvest economically viable. In addition, a thorough knowledge base will need to be generated to understand all the risks and make the harvest sustainable, in order to avoid adverse effects on several important species relying on mesopelagics as food. As technological advancements and ecological knowledge are increasing, with a growing focus on sustainable resources and healthy oceans as per SDG 14 and the UN Ocean Decade, time will tell whether your future diet will consist of mesopelagic fish, granted we are able to find and sustainably harvest the elusive treasure hidden in the twilight depths.

Automated summary

The growing world population requires large, renewable sources of nutritional food. Mesopelagic fish, an unexploited marine resource, has the potential to contribute to food production through fish feed and direct human consumption. However, proper markets and sustainable harvesting methods are needed for viable harvest.