There are several synonyms for the term "commercial fishing." One alternative term that is often used is "commercial harvesting," as this phrase reflects the idea that fishing is a means of gathering resources rather than simply a recreational activity. Another possible synonym is "industrial fishing," which emphasizes the scale and intensity of modern commercial fishing operations. Other related terms might include "marine harvesting," "aquatic harvesting," or "fishing for profit." Ultimately, the choice of term will depend on the specific context and focus of the discussion. However, all of these terms share the commonalities of being focused on the pursuit of fish and other marine organisms for a profit-driven purpose.