# The Unsung Heroes of Coral Reefs: Parrotfish The importance of parrotfish as climate change threatens coral reefs. - **Source:** [TED Talks Daily](https://brifing.si/source/5463abef-1da8-431d-90d1-6098532a0790) - **Published:** 2026-07-18 - **Topic:** [Business](https://brifing.si/c/business) - **Original article:** - **On Brifing:** https://brifing.si/s/20cec1e4-899e-4839-915c-1a99687f4860 ## A Love for Parrotfish Marine biologist Ayana Elizabeth Johnson fell in love with parrotfish during hundreds of scuba dives. These fish play a critical role in the health of coral reefs, which are under threat from climate change. ## The Source of White Sand Parrotfish eat coral and produce white sand through digestion. This process not only creates the iconic look of tropical beaches but also helps in the renewal of coral reefs. ## Colorful Wardrobe Changes These fish change colors throughout their lives, putting on a wardrobe show. This feature is used for both camouflage and communication, making parrotfish even more fascinating. ## The Architects of Coral Reefs Parrotfish play a crucial role in keeping coral reefs healthy. By cleaning corals, they contribute to the growth and diversity of reefs. ## The Threat of Climate Change Climate change is seriously threatening coral reefs. As the habitats of parrotfish shrink, it raises concerns for the future of the entire ecosystem. ## Hope for the Future Protecting parrotfish is vital for the future of coral reefs. Preserving their habitats is an important step towards the sustainability of the entire ecosystem. ## Sources covering this story - https://go.ted.com/6zi5 — --- _Summary written by Brifing from the original reporting. Copyright in the original article belongs to its publisher; read the full piece at the link above._