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Media opportunity: The beauty of some of the planet's most colourful ecosystems has clear economic benefits and should be a consideration in their protection: international study

Posted by Communications on June 19, 2025 in News

Coral reefs are some of the most colourful and vibrant ecosystems on the planet, attracting millions of visitors each year and generating major economic benefits, especially in developing tropical countries.

But what are the qualities that make them appear beautiful to the public and lead so many seek them out?

It is a question that has become increasingly important for both the conservation and economic value of coral reefs, and one that an international team of researchers addressed in a new study that analyzed the perceived beauty of more than 3,500 groups of reef fish around the world.

The team, including Dalhousie University biologist Prof. Aaron MacNeil, combined data from a global reef monitoring program with assessments of fish species’ aesthetic appeal, gathered through public surveys.

The researchers found that beauty is strongly linked to both the number of species and the presence of especially colourful or uniquely shaped fish, but also that the benefits of protecting aesthetic beauty are applicable anywhere tropical fish reside. The study also shows that marine protected areas contribute to more beautiful reefs, providing novel benefits for their implementation.

Dr. MacNeil is available to discuss the findings and how protecting the beauty of coral reefs should be a key consideration in conservation efforts since they play a vital ecological role, connect people to nature and support local tourism.

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Media contact:

Alison Auld
Senior Research Reporter
Dalhousie University
Cell: 1-902-220-0491
Email: alison.auld@dal.ca