Articles on Oceans

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A member of a rare group of 410-million-year-old jawless fishes from Australia meets a mate. along the shoreline (artist’s impression). Nobumichi Tamura

Ancient fish evolved in shallow seas – the very places humans threaten today

New research shows shallow, near-land seas similar to Bass Strait were critical in the early days of fish evolution. These are the waters we need to protect now to ensure ongoing biodiversity.
A three-banded clownfish (Amphiprion ocellaris) navigates the anemones of the Andaman Coral Reef, India. Ritiks/Wikipedia

Why does Nemo the clownfish have three white stripes? The riddle solved at last

Our children all know the little clownfish Nemo, star of the Pixar film. But why does he have three stripes, rather than one or two? Developmental and evolutionary biology are revealing the answer.
The scientific drilling ship JOIDES Resolution arrives in Honolulu after successful sea trials and testing of scientific and drilling equipment. IODP

Scientists have been drilling into the ocean floor for 50 years – here’s what they’ve found so far

The ocean floor holds unique information about Earth's history. Scientific ocean drilling, which started 50 years ago, has yielded insights into climate change, geohazards and the key conditions for life.
Predatory fish are among the most vulnerable species to human pressures. Rich Carey/Shutterstock

New map shows that only 13% of the oceans are still truly wild

The world has some 500 million square kilometres of ocean. But just 55 million square kilometres remain untouched by intensive human activities such as fishing.
A whale shark moves towards a piece of plastic in the ocean. (Shutterstock)

Not all marine fish eat plastics

If we are truly invested in addressing the issue of marine plastic and offsetting the potential harms, we have to understand which fish eat plastic and which ones don't.

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