Octopuses

California two-spot octopus. Credit: Aquarium of the Pacific/Robin Riggs

Octopuses have a secret sex chromosome – and it's older than dinosaurs

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Illustration: depositphotos.com

Octopus game

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Learning and memory, between octopuses and humans and other mammals
A red octopus burrows in the sand on a coral reef in the Red Sea. Image: depositphotos.com

What is the mysterious vision problem that blinds octopuses?

"Examination of the eyes of octopuses requires full anesthesia by adding anesthetics to the water and adapting the test instruments designed for testing on land to testing in a marine environment. We will add to this the structure of the eyes of the octopuses which is different
Octopuses have the ability to control the lens of their eye, in a way that allows them to see well in both air and water. Photo: Qijin Xu - Unsplash

hide like an octopus

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Paul the Octopus. From Wikipedia

Do octopuses dream of electric sharks?

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squid. Photography: Richard.

The DNA secrets of the squid

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The eye-spotted octopus (Octopus bimaculoides) is characterized by two pairs of blue eye-like spots on each side of its head. It lives in the Pacific Ocean off the coast of California and is also used as an ornamental animal for an aquarium. Photo by Roy Caldwell/UC Berkeley

The genome of a common octopus species, which allows them to have three almost completely independent hearts and minds in each arm, has been deciphered

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Octopod, a delicate robotic arm inspired by the octopus, photo: Scuola Superiore Sant'anna Biorobotics Institute

A surgical robot inspired by the octopus arm

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The orientation of the octopus's body and the direction of movement are controlled separately and the crawling lacks any sign of patterns in the coordination between the arms. Credit: Levy et al./Current Biology 2015

How do octopuses manage to coordinately move their arms to move in the desired direction?

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Each bone in the picture is a single cell in the skin of a squid, the color changes according to the thickness of a unique layer on the cell wall. The black spot is the cell nucleus. Photo: University of California at Santa Barbara

The mechanism behind the ability of squids and octopuses to change their color has been discovered

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Ultraviolet (UV) photograph of Keuppia arms

Eight BC

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octopus. Photo: Tzvika Livnat

New research reveals some of the secrets of octopus camouflage

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Cosmic scene with DNA, stars, solvents and atomic circles in oral flow.

The world's first six-armed octopus has been discovered

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