Our oceans are teeming with life.
But such life is also facing pressures: global warming, pollution, overextraction of resources. Here, an automatic compilation of DW content on marine life.
Bali is Indonesia's biggest tourist destination - and just south of the island's capital, Denpasar, lies Benoa Bay, a delicate ecosystem of coral, sea life and mangroves. But here, too, tourism and development are putting the fragile environment in jeopardy.
Most people know of corals along coastlines - but there are also beautiful corals growing in deeper waters. Researchers at the GEOMAR Institute in Kiel, Germany, are running tests to see how these corals react to warmer and more acidic waters. Results are mixed.
So far this year, more than 1,000 dolphin carcasses have washed up on beaches in southwest England, and on France's Atlantic coast. Local media have described the deaths as a mystery - but many scientists blame large-scale fishing trawlers.