1. Earth Day (April 22): Earth Day is a global event dedicated to environmental protection and raising awareness about various environmental issues, including those related to water and fisheries conservation.

2. World Oceans Day (June 8): This day focuses on the importance of oceans and marine life. It often includes discussions and activities related to sustainable fishing practices and ocean conservation.

3. National Hunting and Fishing Day (Fourth Saturday in September): While this day encompasses both hunting and fishing, it provides an opportunity to promote responsible and sustainable outdoor activities.

4. National Seafood Month (October): October is recognized as National Seafood Month in the United States, emphasizing the importance of sustainable seafood choices and responsible fishing practices.

5. Fish Migration Day (Biennial, next in 2024): This international event, which occurs every two years, aims to raise awareness about the importance of free-flowing rivers and migratory fish. Check if it aligns with your interests in 2024.

It's important to note that additional events, campaigns, or initiatives may emerge, and national or international observances can vary. Checking with relevant organizations, governmental bodies, or conservation groups closer to 2024 will provide more accurate and up-to-date information.