TED: The four fish we're overeating -- and what to eat instead | Paul Greenberg

The video discusses the decline in seafood variety and the environmental impact of modern fishing practices. It highlights the dominance of shrimp, tuna, salmon, and whitefish in the market and explores the consequences of their consumption. The speaker suggests alternative solutions like eating less popular fish, using muscles, and seaweed to promote sustainability.

What was the speaker's initial observation about fish diversity?

• Fish diversity increased in urban areas.

• There was a noticeable decline in fish diversity.

• Fish diversity remained constant.

• There was an increase in fish species.

How did World War II impact fishing technology?

• It resulted in the development of advanced fishing technologies.

• It caused a ban on fishing.

• It led to a decrease in fishing capacity.

• It had no impact on fishing technology.

What is a major environmental concern associated with shrimp farming?

• It is highly fuel-efficient.

• It causes significant damage to mangrove forests.

• It requires no bycatch.

• It is the most sustainable form of aquaculture.

Why is tuna considered a challenging fish for aquaculture?

• Tuna are cold-blooded and slow-moving.

• Tuna are warm-blooded and fast swimmers.

• Tuna are easy to farm.

• Tuna have a short lifespan.

What is a significant barrier to wild salmon reaching their spawning grounds?

• Overfishing in the ocean.

• The presence of numerous dams.

• Pollution in rivers.

• Lack of food sources.

What fish is currently used in the Filet-O-Fish sandwich?

• Tilapia

• Alaska Pollock

• Atlantic Cod

• Halibut

What is a potential benefit of consuming underutilized fish species?

• They are fuel-efficient and rich in omega-3s.

• They are difficult to catch.

• They are more expensive to market.

• They are less nutritious.

How do mussels contribute to environmental sustainability?

• They filter water and are low in carbon emissions.

• They are high in carbon emissions.

• They require high amounts of forage fish.

• They deplete water resources.

What is a potential advantage of seaweed in aquaculture?

• It requires extensive watering.

• It filters water and can be fed to cattle.

• It is not suitable for human consumption.

• It is low in protein.

What characteristics would an ideal aquacultured fish have?

• Vegetarian, fast-growing, and rich in omega-3s.

• Adaptable to cold climates only.

• Slow-growing and carnivorous.

• High in mercury content.