| Answer | Crossword Clue |
|---|---|
| SARGASSO | Eel-spawning sea |
| catadromous | of fishes, descending periodically for spawning to the lower parts of a river or to the sea also KATADROMOUS |
| katadromous | of fishes, descending periodically for spawning to the lower parts of a river or to the sea, opp to anadromous also CATADROMOUS |
