science

People eat a lot of fish. Different sex-changing fish can follow several signals that prompt them to change sex. Some change from female to male at a fixed size or age. Often, fisheries will only harvest fish over a certain size. This means catching more males because they are usually bigger, which then skews the population towards female. Not enough males are then available to fertilise all the eggs produced by the females.

Metals like copper from agricultural runoff and marine paint leaching from boat hulls poses a threat to soft coral sea fans, especially in warming...

Blue Planet inspires underwater network of IoT sensors

All clownfish start off as male, but can switch to female when circumstances allow, for example, when the only female present dies or disappears....

Scientists have used satellite tracking and a crime-scene technique to discover an important feeding ground for green turtles in the Mediterranean.University of Exeter researchers...

The best way to protect corals threatened by climate change is to conserve a wide range of their habitats, according to a study in...

Even though European nudibranchs are some of the best studied in the world, scientists have now identified three new species. Divers searched around Europe for Trinchesia sea slugs – in the UK, Ireland, Norway, Sweden, Spain, Italy, France, Croatia and Russia.

Drawing design inspiration from the skin of stealthy sea creatures, engineers at the University of California, Irvine have developed a next-generation, adaptive space blanket...

Ocean warming is threatening coral reefs globally. Whenever sea temperatures rise in an area, coral reefs degrade. However, a new study has found that...

Meaning it could be difficult for whales to adapt if climate change causes food availability to deviate strongly from the whales' expectations.