Sharks have been around for more than 400 million years — but not all sharks are equally resilient to changes around them. Why do some groups thrive, while others dwindle?
During mating season, a male turtle-headed sea snake will often lose sight of the female before mating can happen. The female may be metres away, but the male won’t ever find her again.
Biodiversity is often highest in places with human activity. The fishing industry has shown we can often have it both ways: maintain important livelihoods while protecting precious marine life.
The North Water Polynya, or Pikialasorsuaq, is a key ocean area for Arctic animals and for Inuit hunting and fishing. Rocket launches threaten to contaminate the area with harmful chemicals.