Home Authors Posts by Jill Studholme

Jill Studholme

114 POSTS 7 COMMENTS
A scuba diver for over 40 years with a degree in biology, Jill Studholme has an special interest in marine biology, coral reef conservation and the underwater environment. She edits SCUBA News (ISSN 1476-8011), the monthly newsletter with articles on diving and marine science. She tweets as @SCUBANews.
dugong Credit: Fabrice Dudenhofer / Ocean Image Bank

Dugong – the Lady of the Sea

Dugongs - where can you dive with them and why aren't there more of them? Said to have inspired tales of mermaids, they can eat as much as 40 kg (88 lb) of seagrass a day, leaving distinctive troughs.
white shark

How to judge whether shark cage diving helps or harms wildlife

Wildlife tourism including white shark cage-diving is growing in popularity, but these industries remain highly contentious amongst divers, conservationists and scientists alike. New tool helps judge the impact.
dolphin wake

Dolphins and humans have similar personality traits

Researchers find dolphins to be far more similar to humans than previously thought. For those who have ever observed...
Feather star

Fabulous Feather Stars

By day these beautiful animals keep curled up but on night-dives you see them in their warm colours, with their feathery arms extended.
Octopus wins photo competition

Octopus steals camera and wins underwater photography competition

Best of Show is a once-in-a-life-time moment where a curious octopus took a selfie of itself with the photographer's family.
Silky shark

Silky sharks conservation effort working in Atlantic,  but Indo-Pacific still a problem

99.8% of shark fins come from Indo-Pacific: conservation efforts in Atlantic Ocean are working
Oceanic Whitetip Shark

Creature of the Month: Oceanic Whitetip Shark – Carcharhinus longimanus

Diving with Oceanic Whitetips The glorious oceanic whitetip sharks spend a lot of time in shallow water, tend to swim slowly and are...
Clownfish eggs - super macro - by Paulo Isgro

Enter the Ocean Art 2020 underwater photography competition

From now to 30 November 2020 you can submit your images to the prestigious Ocean Art competition. Prizes worth $40,000 are on...
golden trevally

Creature of the Month: Golden Trevally

The young fish like to seek out large animals like sharks, groupers and dugongs for protection, acting as pilot fish.
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.