If forced to choose one descriptor for the octopus, the best word may be “otherworldly.” These truly amazing marine animals ...

In this study, the authors use microCT to image an intact hatchling octopus and segment major organ systems, including the vascular, respiratory, digestive, and nervous systems. The resulting dataset ...

Some male octopuses perform one of the most extreme survival strategies in the animal kingdom, they detach their own arm during reproduction. This bizarre behaviour is not self-harm, but a biological ...

Oldest Octopus in the World. Discover which is the oldest octopus in the world, its lifespan, species, and surprising facts.

The hectocotylus is both a reproductive organ and a sensory organ, a rare combination in animals, new research suggests ...

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Life in the ocean is perilous, and 78% of the captured octopuses were missing at least one arm due to encounters with ...

To test their ideas, scientists observed California two-spot octopuses in tanks. They placed males and females on opposite ...

The hectocotylus is both a reproductive and sensory organ, Harvard scientists and others have found. Octopuses are some of the most mysterious animals living in the sea. In research out today, however ...

How do octopuses mate in the dark? A new study shows how the hectocotylus arm uses progesterone receptors to "taste" for a mate.

Scientists have learned how male octopuses’ specialized sperm-depositing arm knows where to go ...