A study has found concerning new evidence of long-term declines in coral reef fish around highly visited inshore islands of the Great Barrier Reef. Scientists surveyed reefs at 100 sites around ...

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). DOI ...

High ocean temperatures lead to devastating coral bleaching 02:56. The Great Barrier Reef – the world's largest reef system that's "one of the richest and most complex natural ecosystems on ...

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.

Australia has experienced coral die-offs beginning in 2015 at the Great Barrier Reef, when heat waves there caused excessively high water temperatures a few years in a row.

A survey found that between August 2021 and May 2022, average hard coral cover in two areas of the Great Barrier Reef increased by about one-third.

Coral reefs worldwide are dying at an alarming rate, with 75% of reefs experiencing bleaching-level heat stress in the past two years. The World Heritage-listed Great Barrier Reef (GBR ...

Emergent patterns of reef fish diversity correlate with coral assemblage shifts along the Great Barrier Reef. Nature Communications , 2025; 16 (1) DOI: 10.1038/s41467-024-55128-7 Cite This Page : ...

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.

(CNN) — The southern Great Barrier Reef is suffering from extensive coral bleaching due to heat stress, the reef’s managers said Wednesday, raising fears that a seventh mass bleaching event ...