Fishing Practices and Their Impact

What is the primary threat to marine mammals caused by fishing nets?

• Entanglement

• Pollution

• Climate change

• Overfishing

Which of the following species represents half of the total fish catch?

• Bass

• Trout

• Salmon

• Herring

What type of fishing technique is characterized by the use of selective methods?

• Aquaculture

• Industrial fishing

• Traditional fishing

• Commercial fishing

Which fishing net is designed to catch lobsters and shellfish?

• Bag net

• Trawl net

• Purse seine

• Gill net

What percentage of the world's animal protein is provided by the fishing industry?

• 10%

• 25%

• 16%

• 30%

Which of the following is NOT a type of commercial fishing net mentioned?

• Mesh net

• Dragnets

• Sweep nets

• Trap nets

What is the record amount of money earned by the fishing industry?

• 25 billion dollars

• 50 billion dollars

• 71.5 billion dollars

• 100 billion dollars

Which fishing method uses sonar to detect schools of fish?

• Gill net fishing

• Trawl fishing

• Purse seine fishing

• Long-line fishing

What is the main environmental concern associated with commercial fishing?

• Aquaculture

• Sustainable practices

• Overfishing

• Selective harvesting

Which of the following is a method used to gather shellfish at low tide?

• Raking

• Gill netting

• Trawling

• Long-lining