Benefits of RAS Systems

What type of feed reduces pressure on wild fish stocks?

• Plant-based feeds

• Oil-based pellets

• Meat byproducts

• Live baitfish

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Which species is a keystone species in aquatic ecosystems?

• Mackerel

• Salmon

• Cod

• Tuna

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Which aquaculture method involves minimal human intervention?

• Hybrid hydroponics

• Intensive aquaculture

• Closed-loop farming

• Extensive aquaculture

Which of the following best describes extensive aquaculture?

• High-density tanks

• Use of synthetic feeds

• Highly mechanized systems

• Low input, natural productivity

What is the average global feed conversion ratio for tilapia?

• 4.0:1

• 2.5:1

• 6.6:1

• 1.1:1

Which innovation combines fish and plant farming?

• Hydraulics

• Desalination

• Trawling

• Aquaponics

What is aquaculture?

• Water purification for drinking

• Breeding and harvesting fish

• Soil cultivation

• Renewable energy production

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What is one economic benefit of aquaculture?

• Job creation in coastal areas

• Reduced seafood prices worldwide

• Promotes tourism

• Eliminates shipping needs

Why are sturgeon considered critically endangered?

• Climate change only

• They have no predators

• They are invasive

• Overfishing and habitat loss

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In 2022, what percentage of aquatic animal production came from aquaculture?

• 62%

• 51%

• 45%

• 39%