Marine ecosystem
Coverage of Marine ecosystem in the Nexus archive.
- ‘Exploratory and curious animals’: mysterious rise in orca sightings off Northumberland coast
Orcas have been appearing more regularly off the Northumberland coast, particularly near the Farne Islands. Experts suggest this increase could indicate a healthier marine ecosystem, though the exact reasons remain unclear.
- Octopus surge spreads up UK coast as far as Scotland, study finds
Record numbers of octopuses linked to warming waters have spread from the UK's southwest coast to Scotland and Wales, impacting the fishing industry with declining shellfish catches but rising octopus catches. The surge, first observed in 2025 off Devon and Cornwall, is transforming marine ecosystems.
- How to Stay Safe Around Jellyfish This Beach Season
The article highlights the ecological importance of jellyfish as a key food source for fish and sea turtles, while also addressing safety measures around them during the beach season. A jellyfish at the Steinhart Aquarium in San Francisco is featured as an example.