coral

Home sealife coral

Corals in trouble by middle of this century

Nearly one-third of CO2 emissions due to human activities enters the world's oceans, making them less alkaline and affecting calcification of corals. By the middle of the century, corals at the Northern edges of the tropics will be in trouble with the Hawaiian island reefs will be among the first to feel the impact.
Sea Fan

How do Corals form new Species?

How do corals evolve into separate species when their larvae can drift around the ocean over extremely long distances?

One Third of Reef-Building Corals Face Extinction

One third of reef-building corals around the world are threatened with extinction, according to the first-ever comprehensive global assessment to determine their conservation status....

Caribbean Corals in Danger of Extinction

Caribbean coral species are dying off, indicating dramatic shifts in the ecological balance under the sea, a new scientific study of Caribbean marine life...

Madagascar Coral Reef Massively Damaged

A new survey of reefs along Madagascar's southwestern coast found massive damage from coral bleaching, including some reefs that lost up to 99 percent...
Under the Sea

Killer Seaweed Damages Coral

Field studies have shown for the first time that several common species of seaweeds in both the Pacific (Fiji) and Caribbean (Panama) can kill...

Healthy Coral Reefs Hit Hard by Warmer Temperatures

Coral disease outbreaks have struck the healthiest sections of Australia's Great Barrier Reef, where for the first time researchers have conclusively linked disease severity...
Xenid pulsating coral

Why does one Soft Coral Pulsate?

Researchers solve some of pulsating soft coral (Xenid) mysteries, but their siestas still unanswered.

Most Corals Can’t Survive Global Warming

Many corals rely on their symbiotic algae for survival. Under stress (such as higher temperatures) these algae are expelled, resulting in coral bleaching. It...
Coral reef

‘100 Years’ until Bleaching a Problem for Corals in Northern Red Sea

Warming seas around the world are threatening corals. But scientists from the Hebrew University of Jerusalem and Bar-Ilan University have noticed that corals in...