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Released goldfish harm lakes and ponds — Level A1 — Several mandarin ducks swimming in a calm lake

Released goldfish harm lakes and pondsCEFR A1

29 Apr 2026

Adapted from Eric Stann-Missouri, Futurity CC BY 4.0

Photo by Terence Zheng, Unsplash

Level A1 – Beginner
2 min
74 words
  • Many people keep goldfish as easy, small home pets.
  • Some owners release goldfish into local lakes or ponds.
  • Released goldfish grow large quickly and change lake life.
  • They stir up mud and make water very cloudy.
  • Small animals like snails and tiny plankton fall rapidly.
  • Native fish lose weight and become less healthy over time.
  • These changes happened in both poor and rich waters.
  • Putting a pet goldfish in nature is harmful and risky.

Difficult words

  • releaselet an animal go free
    Released
  • ownerperson who has a pet or animal
    owners
  • nativeanimal or plant from the local area
  • planktonvery small animals and plants in water
  • harmfulcausing damage or bad results

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Discussion questions

  • Do you have or want a goldfish?
  • Would you put a pet fish in a lake?
  • Have you seen cloudy water in a lake or pond?

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