Aquatic products (fish and shellfish) and the fisheries industry or products related to them.
水産業は沿岸地域の重要な産業だ。
The fisheries industry is an important industry in coastal areas.
水産市場で新鮮な魚を買った。
I bought fresh fish at the seafood market.
大学で水産学を専攻する学生が増えている。
The number of students majoring in fisheries science at university is increasing.