Among the myriad creatures that populate our ocean, some stand out as having an outsized impact on the marine environment—shaping and maintaining habitats that themselves sustain countless other forms ...

Corals have a symbiotic relationship with a tiny marine algae called 'zooxanthellae' that live inside and nourish them. When sea surface temperatures rise, corals expel the colourful algae.

Most hard corals grow thanks to a symbiotic relationship between the coral polyp and zooxanthellae - essentially algae - that through photosynthesis produce glucose, energy, to enable the hard corals ...