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What happens to the ocean if we take out all the fish? A marine ecologist explains the complex roles fish play in their ecosystem

  • Written by Kory Evans, Assistant Professor of BioSciences, Rice University
imageFish swim in a reef at Pearl and Hermes Atoll in the Northwestern Hawaiian Islands.AP Photo/Jacob Asher image

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to curiouskidsus@theconversation.com.

What would happen to the ocean if we took out all the fish? – Reny, age 12

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