Quiz on Overfishing

What happened to the cod population off Canada's East Coast in the 1990s?

• It increased dramatically

• It collapsed

• It remained stable

• It migrated elsewhere

Which of the following technologies was NOT mentioned as being used in modern industrial fishing?

• Radar

• Sonar

• Satellites

• Helicopters

What percentage of the world's fish populations are considered overfished?

• 15%

• 31%

• 58%

• 89%

What is the main problem with catching young Patagonian toothfish?

• They don't taste good

• They are too small to sell

• They haven't had a chance to reproduce

• They are protected by international law

What percentage of a typical shrimp catch using large nets is actually shrimp?

• About 5%

• About 25%

• About 50%

• About 75%

What is 'by-catch'?

• Fish caught illegally

• The main target species of fishing

• Unwanted animals caught and discarded

• A type of fishing net

How does coastal shrimp farming negatively impact the environment?

• It increases biodiversity

• It improves water quality

• It destroys mangrove forests

• It reduces carbon emissions

What percentage of the world's fish populations are fished at the maximum sustainable level?

• 31%

• 58%

• 75%

• 89%

Which of these is NOT mentioned as a way to protect fish populations?

• Setting fishing limits

• Banning certain equipment

• Establishing marine reserves

• Increasing fish consumption

What was the Patagonian toothfish rebranded as for marketing purposes?

• Atlantic salmon

• Chilean sea bass

• Pacific cod

• Mediterranean tuna