Coral bleaching is usually triggered by heat stress caused by increased water temperatures and UV radiation, but can occur due to other factors such as changes in water quality. 1. Change in ocean ...

There is no longer any shadow of a doubt about the impact of global warming on coral reefs. A rise of a few degrees in sea surface temperature induces the expulsion of essential microscopic algae ...

Just a few years ago, the lush coral reefs off Bali island were dying out, bleached by rising temperatures, blasted by dynamite fishing and poisoned by cyanide. Now they are coming back, thanks to an ...

Stony, rock hard corals are living animals, and here in Hawai i are known as koa. The coral animal is called a polyp, and it is a very tiny creature that looks like an upside-down jellyfish. These ...

The structural complexity of coral reefs creates a vibrant underwater city populated by a diverse assortment of characters. Ironically, this same complexity can impede coral recovery after ...

Coral reefs around the world are indeed still at great risk. A comprehensive survey by Canadian researchers in 2021 shows that the world’s oceans have lost about half of their coral cover since the ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Watch this coral wave its hands in the air like it just don’t care! But actually, it probably ...