Multiple choice

How can aquaculture be made more sustainable?

  1. by consumers choosing fish who eat more algae and vegetation

  2. by consumers choosing fish who eat more top predators

  3. by creating fish farms closer to mangrove forests

  4. by creating fish farms closer to estuaries
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Aquaculture is more sustainable when farming lower-trophic-level species, such as algae-eating fish or shellfish, because they do not require large amounts of wild-caught fish as feed, unlike carnivorous top predators.

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