Aquaculture

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Across
  1. 3. aquaponic system requiring minimal management
  2. 4. respiratory organ of fish
  3. 8. carnivorous fin fish
  4. 10. cultivation of aquatic organisms from water
  5. 13. terminal abdominal segment of a tabby
  6. 15. required for plant and animal growth
  7. 16. 95% of animals are part of this group
  8. 18. alternate name for tail fin
  9. 19. sight organ of a fish
  10. 20. animals with backbones made of bones
  11. 22. section of yabby, divided into six sections and encased in hard shell
  12. 23. protects the head and other internal organs of a yabby
  13. 25. aquaponic system with a medium to high risk
Down
  1. 1. protective devices on the fins of fish
  2. 2. connects mouth to stomach in digestive tract
  3. 5. profession of someone who works in aquaculture
  4. 6. cold-blooded animals
  5. 7. growing soilless plants
  6. 9. animals able to maintain a constant body temperature
  7. 11. cherax tenuimanus
  8. 12. changing the water __________ can cause fish deaths
  9. 14. makes up 15-20% of a yabby's total body weight
  10. 17. freshwater fin fish with a diet of shrimps, yabbies and aquatic insects
  11. 21. integration of aquaculture and hydroponics
  12. 24. blood-purifying organ