The flamboyant cuttlefish is one of only three known venomous cephalopods and walks along the ocean floor instead of swimming.
Fact #11384
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The tripod fish can stand on the ocean floor using elongated fin rays.
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Sea cucumbers can expel internal organs as a defense mechanism.
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Somewhere between 50% and 80% of earth's living organisms are in the ocean.
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The Arctic Ocean may be ice-free in summer within decades, creating new shipping routes and accelerating warming.
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Dolphins surf ocean waves purely for fun — one of the clearest signs of play behavior in animals.
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Some deep‑sea creatures have never seen sunlight in millions of years.
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Some deep-sea fish like the viperfish have teeth so large they cannot close their mouths.
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Only about 5% of the ocean has been explored by humans.
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