This printable crossword puzzle on the topic of Animals (General) has 15 clues. Answers range from 2 to 13 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Production of aquatic animals and plants
Adding air into water
Tail fin
Early stages of a fishes life
Reproductive organs
Used for respiration and excretion
Help detect pressure and vibration
Measure of acidity, 1-14
Production of fish in constant flow of water
Few/no inputs added, low production
Labor, feed, materials or equipment added, higher production
Holding ponds, used for spawning, rearing or grow-out facility
Indoor tanks where water is constantly filtered and reused
Result of waste breakdown
Part per thousand