A TOURIST hotspot beach has been closed for swimming after sightings of a poisonous jellyfish. Holidaymakers have been warned not to enter the water at Princess Beach in the Similan Islands, ...

Far beneath the ocean’s surface, where sunlight never reaches and temperatures soar near underwater volcanoes, life still thrives. Entire ecosystems survive on toxic chemicals released from ...

A vibrant underwater scene shows bright clownfish swimming among the soft tentacles of a purple sea anemone. Surrounded by ...

The green melibe is a species of sea slug you probably have never seen before. Read here about these amazing nudibranchs!