“Once-common fish in the Thames” crossword clue

Reveal the answer to see why it works and where this clue has appeared before.EELS is the answer to the New York Times crossword clue “Once-common fish in the Thames”. It was last seen in the puzzle of August 2, 2026, where it runs at 106 Down and fills 4 squares. It crosses 4 other entries in that grid — those are listed below and are the quickest way to confirm the letters you already have.