noun
deep-sea fishery
Refers to the industry or practice of fishing in deep ocean waters.
深海漁業は、高度な技術と設備を必要とする。
Deep-sea fishery requires advanced technology and equipment.
遠洋漁業 refers to distant-water or pelagic fishery, often farther from shore, while 深海漁業 specifically targets deep-sea environments.
Compound of 深海 (deep sea) and 漁業 (fishery).