Nassau Grouper Season is OFFICIALLY CLOSED until February 28th. The IUCN Red List of Threatened Species has classified Nassau Grouper as CRITICALLY ENDANGERED, meaning it is one step away from EXTINCTION. How you can help is to respect the closed season and allow Nassau Grouper to reproduce uninterrupted. You can also share this notice around and talk about the closed season with friends and family to raise awareness of how important it is to respect the Nassau grouper closed season.