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A pic of okenia rosacea, which is an inch long pink sea slug, covered in tentacles, looking a bit like a sea anemone or a pink mophead

Earth

North Pacific's sea slug invasion linked to mystery ocean blob

A mass northern migration of colourful nudibranchs could signal the start of a decade-long climate shift across North America

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Environment

Massive new coral reef discovered at Amazon river mouth

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Looks like mud pile on some mud, with a couple of tiny spiders quite far away. It's the Arctic sea floor, so not that exciting I guess

Life

New Arctic life on barren seabed thrives on methane jets

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Frontal view of shark's head in dim conditions with teeth lit

Life

Mysterious deep-sea sharks biting chunks out of migrating whales

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starfish

Life

Hitchin' a ride: Brittle star gets a lift on larger starfish

Regulars

The Allen Telescope Array

Life

SETI looks at red dwarf stars in its search for ancient aliens

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octopus

Life

Glass invertebrates reveal the plight of modern oceans

Regulars

Deepwater shark moving into attack position

Life

Never-before-seen life spotted by Hawaiian deep-sea expedition

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Aquatic plant that feeds like a Venus flytrap faces extinction

Life

Aquatic plant that feeds like a Venus flytrap faces extinction

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Illustration showing whale and person in white coat with microscope

Life

The enigmatic whale we can hear – but have never seen

The unique, unanswered call that echoes off California's shores speaks of the world's loneliest whale – Whale 52. But maybe he has a more urgent problem

Features

Life

How are baby eels made? We still don't know

Features

Life

Snapping shrimps make less noise in acidifying oceans

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Life

Mass of spawning fish make a milky way on a coral reef

Regulars

Life

Whale algorithm could unlock secrets of their many dialects

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