Home Authors Posts by Jill Studholme

Jill Studholme

Jill Studholme
145 POSTS 7 COMMENTS
Edits SCUBA News (ISSN 1476-8011), the monthly newsletter with articles on diving and marine science. She tweets as @SCUBANews. A scuba diver with a biology degree, Jill has an special intererest in marine biology, coral reef conservation and the underwater environment.
California Sheephead

Sex-changing fish recover more quickly from over-fishing

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.
Healthy coral reef

Microbes reflect the health of coral reefs

More microbes are found on healthier Cuban reefs than on human-impacted Florida reefs. Microorganisms play important roles in the health and protection of coral...
4th Place Macro Ocean Art 2019 Petr Polách

Ocean Art reveals best underwater photos of the year

Congratulations to all winners of the Ocean Art Underwater Photo Competition 2019 - stunning underwater photos from around the world. Over $85,000 in prizes have been awarded to 85 professional and amateur photographers in categories from Coldwater to Blackwater.
Sea fan

New danger for sea fans in warming seas: Metal pollution

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

UK lifts restrictions on flights to Sharm El-Sheikh

The end of suspension is the first step towards services to Sharm El-Sheikh resuming - good news for many British divers.
Miracle bioplastic

New Marinatex wins award for solving many plastic problems

Lucy Hughes from the University of Sussex has won the James Dyson Award for designing MarinaTex - a bioplastic made of organic fish waste...
North Atlantic Right Whale, Mother and Calf

Right whale mothers ‘whisper’ to their calves to avoid attracting predators

Instead of "whooping" they make very quiet, short, grunt-like sounds that can't be heard more than a short distance away.
Red Sea Diving

Egypt ups environmental standards to protect coral reefs

Egypt is adopting Green Fins environmental standards to protect its coral reefs. The country has become the first in its region and the 11th...
Clownfish in anemone

Male-to-female sex change happens first in the brain, in clownfish at least

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

Which sunscreens are safe for sea life and which should you avoid?

It's a minefield trying to buy a sunscreen which doesn't harm the sea life. Even those trumpeting their green credentials are not always free from harmful chemicals and components. You have to read the label very carefully. So what are the nasties to look out for?