| Answer | Crossword Clue |
|---|---|
| ROE | Spawn of the sea |
| anadromous | of fish, migrating up rivers from the sea to spawn in fresh water |
| anadromous | (of a fish, such as the salmon) Migrating up rivers from the sea to spawn |
| catadromous | living in freshwater and going to the sea to spawn catadromous eels compare anadromous |
| steelie | silvery rainbow trout that migrates to the sea before returning to fresh water to spawn |
| grilse | a young Atlantic salmon returning to its native river to spawn for the first time after one winter at sea |
| EELS | Sargasso Sea spawn |
