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Chapter 17: THE SCIENCE OF AQUACULTURE
Answers to Review Questions
TRUE/FALSE
1. One of the newest and most rapidly developing parts of agriculture is that of
growing animals in water.
2. Fish are not very efficient farm animals.
3. Aquatic animals use less energy than land animals.
4. The most important food fish grown in this country is the catfish.
5. Catfish has replaced cotton as the number one cash crop in the Mississippi Delta.
6. Cool-water fish require a low oxygen content in water.
7. Shrimp must be raised in salt water.
8. One of the fastest growing segments of aquaculture is the growing of ornamental
fish.
9. Fish is high in protein and low in calories.
10. The fat content of fish is lower than that of red meat.
MULTIPLE CHOICE
1. The state that leads the nation in catfish production is
2. The production of catfish begins with this process:
3. Small fish that are from 2 to 6 inches in length are called
4. Most tropical fish are raised in what is called a
5. Most crayfish are raised in ___ fields.
6. Catfish eggs are called
7. Cool-water fish thrive in water that is below
8. Trout and salmon are usually raised in concrete structures called
9. Crustaceans are aquatic animals that have
DISCUSSION
1. Why is aquaculture such a growing industry?
2. Why did fish farms come into existence?
3. Why are fish considered efficient farm animals?
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4. Why are catfish so popular?
5. What are raceways?
6. What are crustaceans?
7. What are the major shrimp-producing countries?
8. What is brackish water?
9. When does the loss of oxygen occur most often?
10. How can oxygen be put back into water?