Squid and Octopus

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Low oxygen may temporarily blind some marine invertebrates

4 months 1 week ago By Annie Won

Oxygen levels in the ocean fluctuate due to various reasons, both natural and man-made.

The Octopus, a Friend

9 months 6 days ago By My Minion

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.

Squid and dinosaurs lead to development of invisibility material

1 year 5 months ago By Annie Won

Materials that can become invisible have long been the stuff of fiction, though this may no longer be the case in the future.

Rising carbon dioxide levels messes with squid's hunt for prey

1 year 6 months ago By Annie Won

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.

North Pacific seabirds are consuming more squid and less fish

Changing diet of seabirds signals changes in marine ecosystem

1 year 7 months ago By Annie Won

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.

Southern California's Market Squid Run

1 year 8 months ago By Brent Durand

The squid run is hard to predict but usually occurs in December.

This octopus is gloomy, not lonely

2 years 1 week ago By Annie Won

Octopuses are generally solitary animals that interact with one another only when mating.

Photoacoustic/ultrasound image obtained after squid ink oral rinse treatment. Ultrasound image of the teeth is in black and white. The photoacoustic signal from the squid ink contrast agent in the pocket depth is in red and signals from stains on the teeth are in blue.

Researchers use squid ink to diagnose gum disease

2 years 1 week ago By Annie Won

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.

Why the octopus has no shell

2 years 6 months ago By Annie Won

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.

The squid with the mismatched eyes—but why?

2 years 7 months ago By Annie Won

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.

New species of octopod under threat from mining

2 years 9 months ago By Annie Won

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.

Giant Australian Cuttlefish

3 years 1 month ago By Don Silcock

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

Hang on… aren’t they colourblind?

3 years 2 months ago By Main Minion

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

Cuttlefish are capable of changing colour and pattern (including the polarization of the reflected light as well as the texture of the skin.

Cuttlefish can go into electric stealth mode

3 years 9 months ago By Cat Herder

Sharks home in on faint bioelectric fields generated by the bodies of their prey which they pick up using sensitive detectors on their snouts.

What do vampire squids eat (it's not what you think)

6 years 6 months ago By Main Minion

The vampire squid (Vampyroteuthis infernalis) is a small, deep-sea cephalopod found throughout the temperate and tropical oceans of the world.

Diving with the Humboldt squid

7 years 1 week ago By Main Minion

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.