Across
- 2. Make water cleaner
- 4. Separate two or more substances mixed
- 6. Utilize source repeatly
- 9. An important index about environment in hatchery
- 10. Young salmon but in the sea
- 12. A stage in the spawn cycle of aquatic animals
- 13. The place where produces newborn fish
- 15. The speed
- 16. Harmful chemical substance
- 19. Salmon just born
Down
- 1. Juvenile salmon
- 3. The machine which keep fish eggs till birth
- 4. The process of adapting ocean life
- 5. The process of dealing with data
- 7. The rate of death
- 8. The main nutrient substance in the fish eggs
- 11. Reduce temperature artificially
- 14. A kind of fish includes salmon mainly
- 17. The shelf for grade system
- 18. Reproductive behavior