Helen Scales
British marine biologist, broadcaster, and writer
Recent articles by Helen Scales
Does the UK have any coral reefs?
Coral reefs don't just belong in the tropics, says Helen Scales
Bluefin tuna: 10 amazing facts about their anatomy
Our expert guide to everything you need to know about the bluefish tuna, from why they are so prized in the sushi trade to how they swim at such high speeds
How bluefish tuna returned to UK oceans after 60 years of absence
After more than 60 years, bluefin tuna have been spotted once more in UK waters. Learn more about this sleek turbo-athlete of the ocean.
Starfish guide: UK species, how to identify and where to see
Learn how to identify some of Britain's most common starfish with our spotter's guide.