Across
- 1. method of raising aquatic organisms in controlled environments
- 4. the breeding of fish
- 8. tool that provides oxygen to water
- 9. Amount of fish a farm can sustainably produce
Down
- 2. System where fish waste fertilizes plants
- 3. type of water suitable for fish farming
- 5. potential of hydrogen (abbreviation)
- 6. element added to water to maintain fish health
- 7. type of fish commonly farmed in cold waters