The commercial or subsistence harvesting of fish and other seafood from the oceans, seas, and other bodies of saltwater. This includes the catching, processing, and distribution of fish and other aquatic organisms for consumption, trade, or other purposes. (FAOLEX. 2025. Glossary https://www.fao.org/faolex/)
That aspect of the study of the ocean that deals specifically with the ocean floor and the ocean-continent border, including submarine relief features, the geochemistry and petrology of the sediments and rocks of the ocean bottom and the influence of seawater and waves on the ocean bottom and its materials. (GEMET, 2021. Marine geology http://www.eionet.europa.eu/gemet/concept/5038)
