Home Authors Posts by Jill Studholme

Jill Studholme

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A scuba diver for over 40 years with a degree in biology, Jill Studholme has a 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.
xenia

Why does one Soft Coral Pulsate?

Researchers solve some of pulsating soft coral (Xenid) mysteries, but their siestas still unanswered.
Multi-colored Christmas Tree Worm (Spirobranchus giganteus) on a Coral. Flores, Indonesia

The Wonderful World of Christmas Tree Worms

Colourful Christmas tree worms are captivating during any dive, adding a touch of festive magic to coral reefs around the world. A wonderful miniature water woodland.
ghost goby redsea

Haunting the Coral Reefs: The Ghost Goby

With red fluorescent eyes and see-through skin, this spooky fish father guards its eggs against predators.
Grey or geometric moray eel, Gymnothorax griseus. Tim Nicholson

Five fascinating facts about geometric moray eels

1. Geometric moray eels are male and female at the same time Photo credit:...
Blanket octopus, winner ocean art contest Anilao,

2025 Ocean Art underwater photo contest is now open

For over a decade, Ocean Art has showcased some of the world’s most breathtaking underwater imagery, helping to discover and promote the...
Yellow wire or whip coral, black coral by Jill Studholme

Why black corals aren’t black (and 7 other surprising black coral facts)

Black corals are yellow, red, green - anything but black. They grow faster than almost any other coral and can live down to 8600 m. What the science says about black corals
giant manta ray

Happy World Manta Day – where to dive with these beautiful creatures

Awesome to see underwater, the Manta Ray is an enormous fish. They live in warm waters around the world, gracefully flying through...
Hammerhead shark

Dinner table deception: deliberately mislabelled endangered sharks being sold in US stores

When you buy shark meat in the U.S., you may be getting an endangered species that contains high levels of mercury:...
Masked butterflyfish

5 Fascinating Facts about Masked Butterflyfish

1. They are amongst the largest butterflyfish At over 23 cm long the masked butterfly fish is large for...
lionfish

Divers find Lionfish in Croatia, marking alarming record northward invasion into the Mediterranean

The invasive lionfish has reached a new northern record in the Mediterranean Sea. Scuba divers captured two specimens (Pterois cf. miles) in...