August 28, 2025 — While Rhode Island has spent decades and millions of dollars erecting fish ladders, removing dams, and cleaning up its rivers to shore up dwindling herring populations, it’s a different case when the fish are in the ocean.
River herring, both the blueback and alewife species found in Rhode Island, are diadromous fish, meaning they spawn in freshwater but live their adult lives in the ocean.
