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Reef sharks are being wiped out by overfishing so rays are taking over

15 June 2023

A global survey reveals that common species of coral reef shark are in sharp decline, and rays are more abundant in reefs where sharks have been depleted

Cocaine in the water makes eels hyperactive and damages muscles

20 June 2018

There are low levels of cocaine and other drugs in many rivers, and lab studies suggest that European eels are suffering muscle damage as a result

Sperm whales are tracking fishing boats and stealing their fish

8 June 2018

Fishing boats in the Gulf of Alaska are being stalked by enormous sperm whales, which charge in and rip huge volumes of fish from the lines

In big cities even the fish are always rushing around the place

25 May 2018

Two common US fish have evolved different body shapes to help them survive in the fast-moving streams in built-up areas

Much of nature is near collapse and that means society is too

23 March 2018

An assessment of Earth’s biodiversity predicts catastrophic losses within decades, with severe knock-on effects for human civilisation like shortages of food

A very pregnant female ray had to fend off four courting males

22 March 2018

Giant devil rays have been filmed courting for the first time, and it turns out the males do not even wait for the females to give birth

What we're doing now will make the ocean completely unliveable

7 November 2017

Climate change could reduce oxygen levels in the oceans by 40 per cent over the next 8000 years, leading to dramatic changes in marine life

Banning shark fin soup in the US is bad for shark conservation

27 September 2017

A proposed US ban on the sale of shark fins could backfire and make life worse for some of the planet's most imperilled species, says Lesley Evans Ogden