Tentacles of venom: New study reveals all octopuses are venomous

Once thought to be only the realm of the blue-ringed octopus, researchers have now shown that all octopuses and cuttlefish, and some squid are venomous. The work indicates that they all share a common, ancient venomous ancestor ...

Fish mimics octopus that mimics fish

Nature's game of intimidation and imitation comes full circle in the waters of Indonesia, where scientists have recorded for the first time an association between the black-marble jawfish (Stalix cf. histrio) and the mimic ...

Why are there no sea snakes in the Atlantic?

Sea snakes are an evolutionary success story. With about 70 species, they're the most diverse reptile group in the ocean, outnumbering sea turtle species 10-to-1.

Scientists find corals in deeper waters under stress too

Coral reefs around the world are threatened by warming ocean temperatures, a major driver of coral bleaching. Scientists routinely use sea-surface temperature data collected by satellites to predict the temperature-driven ...

Crown-of-thorns eat themselves out of house and home

A world-first study on the Great Barrier Reef shows crown-of-thorns starfish have the ability to find their own way home—a behavior previously undocumented—but only if their neighborhood is stocked with their favorite ...

Corals can sense what's coming

Australian scientists have thrown new light on the mechanism behind the mass death of corals worldwide as the Earth's climate warms.

'Titanic' director says ocean 'alien world'

Fresh from his journey to the deepest point of the Pacific in a solo submarine dive, Hollywood director James Cameron has spoken to Australian schoolchildren, answering questions on how fast his craft could travel to how ...

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