The Great Barrier Reef is home to an incredible amount of biodiversity, with over 9,000 known species of marine life National Geographic Society. However, there are likely many more species that ...

Great Barrier Reef fish evidence suggests shifts in major global biodiversity patterns Date: January 14, 2025 Source: Lancaster University Summary: Life on the Great Barrier Reef is undergoing big ...

Australia’s Great Barrier Reef is all about superlatives. It is the world’s largest coral reef, extending some 1,400 miles off the east coast of Australia and covering some 133,000 square miles.

Covering nearly 133,000 square miles (345,000 square kilometers), the Great Barrier Reef is the world’s largest coral reef, home to more than 1,500 species of fish and 411 species of hard corals.

The reef is home to over 1500 tropical fish species, 400 types of coral, more than 200 species of bird, 5000 species of mollusc, 500 species of seaweed and six species of sea turtle.

Fish swim at the Great Barrier Reef. (Courtesy of Wavelength, Australia) This article is more than 2 years old.

More information: F. Javier González-Barrios et al, Emergent patterns of reef fish diversity correlate with coral assemblage shifts along the Great Barrier Reef, Nature Communications (2025).