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Oxygen levels in the ocean fluctuate due to various reasons, both natural and man-made.
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Photography has helped me to document the life of an octopus, immortalizing many aspects of this creature’s behavior in pictures: its poses, its liveries, its ways of doing things.
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Materials that can become invisible have long been the stuff of fiction, though this may no longer be the case in the future.
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High carbon dioxide (CO2) levels in the ocean make squid less proficient hunters, according to a study by the ARC Centre of Excellence for Coral Reef Studies at James Cook University.
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Over the past 125 years, North Pacific seabirds have shifted their prey preferences, consuming more squid and less fish. This trend has become more accentuated since 1950 due to the advent of industrial fishing.
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The squid run is hard to predict but usually occurs in December.
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Octopuses are generally solitary animals that interact with one another only when mating.
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To diagnose gum disease, dentists insert a thin metal probe to between the tooth and gum to measure the amount of gum that has shrunk back from the tooth. The depth to which the tool can be inserted indicates the severity of the gum disease.
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The octopus wasn't always so squishy. Once upon a time, way back in those prehistoric times, their ancestors actually sported hard shells. It appears that they started losing their shells during the Jurassic and Cretaceous periods.
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Also known as the strawberry squid, they live in the mesopelagic or twilight zone of the ocean, some 200 to 1,000 metres below the surface.
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Now, a report published in Current Biology reveals that these deep-sea octopods lay their eggs on the dead stalks of sponges attached to seafloor nodules rich in the metals used in cell phones and computers.
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Incredibly photogenic creatures, they have a fascinating ability to rapidly change their colour and skin texture, an ability which they use to great effect as camouflage when they are hunting or being hunted, to communicate with other cuttlefish a
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One of the greatest puzzles in biology, to me anyway, is how and why cuttlefish are able to put on their dazzling displays of colour to signal other members of their species and camouflage by closely matching the coloration of natural backgrounds
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Sharks home in on faint bioelectric fields generated by the bodies of their prey which they pick up using sensitive detectors on their snouts.
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The vampire squid (Vampyroteuthis infernalis) is a small, deep-sea cephalopod found throughout the temperate and tropical oceans of the world.
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Humboldt squid live in the very deep waters of the ocean. Knowledge about their lives in the abyss is very limited. Most of the research concerning their behaviour has been done in shallower waters.
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