Coral Reefs News

June 3, 2025

Top Headlines

Geological Time Capsule Highlights Great Barrier Reef's Resilience

June 2, 2025 — New research adds to our understanding of how rapidly rising sea levels due to climate change foreshadow the end of the Great Barrier Reef as we know it. The findings suggest the reef can withstand rising sea levels in isolation but is vulnerable to ...

Huge Sea-Urchin Populations Are Overwhelming Hawaii's Coral Reefs

May 28, 2025 — This study measured the growth rate of coral reefs in Honaunau Bay, Hawaii, using on-site data gathering and aerial imagery. Researchers found that the reefs are being eroded by sea urchin populations which have exploded due to overfishing in the ...

New Study Reveals How Competition Between Algae Is Transforming the Gulf of Maine

May 22, 2025 — New research shows how rapidly proliferating turf algae are waging 'chemical warfare' to inhibit the recovery of kelp forests along Maine's warming ...

Imaging Technique Removes the Effect of Water in Underwater Scenes

May 21, 2025 — SeaSplat is an image-analysis tool that cuts through the ocean's optical effects to generate images of underwater environments reveal an ocean scene's true colors. Researchers paired the color-correcting tool with a computational model that converts ...

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Heat-Tolerant Symbionts a Critical Key to Protecting Florida's Elkhorn Coral from Bleaching During Marine Heatwaves

May 16, 2025 — A new study reveals that heat-tolerant symbiotic algae may be essential to saving elkhorn coral (Acropora palmata) -- a foundational species in ...

An Ink That Boosts Coral Reef Settlement by 20 Times

May 14, 2025 — With coral reefs in crisis due to climate change, scientists have engineered a bio-ink that could help promote coral larvae settlement and restore these underwater ecosystems before it's too late. ...

Halo Patterns Around Coral Reefs May Signal Resilience

May 5, 2025 — A new study links grazing halo patterns in coral reefs, as well as those in other patchy habitats, to the spatial patterns of the shelter habitat itself. The researchers found that grazing halos are ...

Restoration Programs Won’t Save Coral Reefs

Apr. 8, 2025 — As coral bleaching and deaths become more widespread globally, experts show that over a third of restoration projects fail and might never be scalable enough to have positive effects on reef ...

Coral Reefs Exude Myriad Chemicals, Fueling Dynamic Microbial Recycling of Nutrients

Apr. 9, 2025 — New research revealed the remarkable chemical diversity of substances exuded by coral reefs and demonstrated that thousands of different chemicals ...

Coral Diseases and Water Quality Play a Key Role for Coral Restoration and Survival Efforts

Mar. 26, 2025 — Coral diseases, particularly in the Caribbean, have caused major declines in coral populations, especially affecting staghorn (Acropora cervicornis) ...

Red Coral Colonies Survive a Decade After Being Transplanted in the Medes Islands

Mar. 18, 2025 — The red coral colonies that were transplanted a decade ago on the seabed of the Medes Islands have survived successfully. They are very similar to ...

'Fishial' Recognition: Neural Network Identifies Coral Reef Sounds

Mar. 11, 2025 — Researchers combine acoustic monitoring with a neural network to identify fish activity on coral reefs by sound. They trained the network to sort through the deluge of acoustic data automatically, ...

Adaptability of Some Coral Reef Fish to Rising Temperatures

Mar. 6, 2025 — Researchers have found that reef fish from the Arabian Gulf, the world's hottest sea, exhibit a higher tolerance to temperature fluctuations compared to those from more thermally stable coral reefs. ...

Heat-Stressed Reefs May Benefit from Coral-Dwelling Crabs

Feb. 24, 2025 — Crab behavior suggestive of wound-tending may improve coral tolerance to heat ...

10 New Sponge Species Near Hawaii

Feb. 20, 2025 — Biologists, using a technique that explores both genes and structural characteristics, have introduced 10 new species of marine sponge. Despite their distinction as one of Earth's oldest ...

Can Artificial Intelligence Save the Great Barrier Reef?

Feb. 12, 2025 — Researchers are designing a global real-time monitoring system to help save the world's coral reefs from further decline, primarily due to bleaching caused by global ...

New Technology Lights Way for Accelerating Coral Reef Restoration

Feb. 6, 2025 — Scientists have developed a novel tool designed to protect and conserve coral reefs by providing them with an abundance of feeding ...

Fishing and Conserving in Great Barrier Reef's Marine Reserves

Feb. 5, 2025 — A new study of the Great Barrier Reef has revealed that the network of no-take marine reserves supplies nearly half of the region's coral trout fishery ...

How Tiny Algae Shaped the Evolution of Giant Clams

Jan. 27, 2025 — New research reveals how resident algae altered the genome of these fabled sea creatures, allowing them to access more ...

Cycle of Coral Bleaching on the Great Barrier Reef Now at 'Catastrophic' Levels

Jan. 21, 2025 — Marine scientists highlights the complex interplay between heat stress, disease onset and coral mortality. They found that 66 percent of the colonies were bleached by February 2024 and 80 per cent by ...

Great Barrier Reef Fish Evidence Suggests Shifts in Major Global Biodiversity Patterns

Jan. 14, 2025 — Life on the Great Barrier Reef is undergoing big changes in the face of climate change and other human-caused pressures, a new study reveals. From food security to controlling seaweed and even making ...

Study Highlights Key Factors for Successful Restoration of Elkhorn Coral Colonies

Jan. 10, 2025 — To help rare elkhorn corals survive in Florida waters, coral researchers should place them in shallow ocean locations with fast currents, scientists explained in a recent ...

Coral Reef Nightlife Becomes More Predatory With Artificial Light

Dec. 26, 2024 — Artificial light can wake sleeping fish and attract predators, changing nighttime coral reef communities, according to new research using novel underwater infrared ...

New Study Highlights the Correlation Between Live Corals and Fishing Yields

Dec. 19, 2024 — A new study examines the correlation between fish yield and live coral habitats. Researchers analyzed the yields of nine fisheries dependent on Australia's Great Barrier Reef from 2016 to 2020. ...

Corals Depend on Near Neighbors to Reproduce

Dec. 16, 2024 — A new study reveals corals must be within only a few meters of each other to successfully reproduce, leaving them vulnerable in a warming ...

How Helicopter Parenting Protects Baby Reef Fish

Dec. 12, 2024 — Researchers have discovered a rare example of 'great fish parenting' with a common coral reef species found to actively protect their young by eating ...

Coral Adaptation Unlikely to Keep Pace With Global Warming

Nov. 28, 2024 — Coral adaptation to ocean warming and marine heatwaves will likely be overwhelmed without rapid reductions of global greenhouse gas emissions, according to an international team of ...

Research Highlights the Pressures Human Activities Place on Tropical Marine Ecosystems

Nov. 20, 2024 — The tropical coastlines of Southeast Asia are home to some of the most important and biodiverse marine ecosystems on the planet. But as well as being essential to communities along these coastlines, ...

Young Coral Use Metabolic Tricks to Resist Bleaching

Nov. 12, 2024 — Coral larvae reduce their metabolism and increase nitrogen uptake to resist bleaching in high temperatures, according to a new ...

New Genetic Web Tool to Help Restore Climate-Resilient Marine Ecosystems

Oct. 30, 2024 — In the face of increased human pressures and climate change, a team of scientists have launched a new online tool to assist marine managers and restoration experts to bolster the resilience of marine ...

Researchers Use the Sounds of Healthy Coral Reefs to Encourage Growth of a New Species of Coral Larvae

Oct. 23, 2024 — Healthy coral reefs echo with a chorus of grunts and purrs from fish feeding, looking for mates, or defending their territories, underscored by the persistent crackling of snapping shrimp. Larval ...

Symbiosis in Ancient Corals

Oct. 23, 2024 — A research team has used nitrogen isotope analysis to demonstrate that 385 million years old corals from the Eifel and Sauerland regions had symbionts. This finding represents the earliest evidence ...

Better Ocean Connectivity Boosts Reef Fish Populations

Oct. 18, 2024 — A new study has found that oceanographic connectivity (the movement and exchange of water between different parts of the ocean) is a key influence for fish abundance across the Western Indian Ocean ...

Scientists Have Successfully Bred Corals to Improve Their Heat Tolerance

Oct. 14, 2024 — A new study has shown that selective breeding can lead to a modest rise in coral heat tolerance. The study documents the world s first effort to selectively breed adult corals for enhanced heat ...