New research at the UO reveals that they have been using one that has existed for 480 million years. The octopus has just ...

Scientists at the University of Oregon uncovered a sex chromosome in the California two-spot octopus, dating back 480 million ...

Discover how researchers identified an octopus' ancient sex chromosomes and why their genetic history is such a mystery.

The research suggest octopus and other cephalopods, like squid and cuttlefish, all rely on the ancient chromosome to ...

To determine if an octopus is male or female, biologists have previously relied purely on observation, differentiating between which individuals lay eggs versus which produce sperm. Searching the ...

Opinion - Why People Should Stop Eating Octopus. The Case for Ceasing Octopus Consumption: Ethical, Environmental, and ...

Blanket octopus pairs are some of the undersea world ... a modified arm that holds its sperm—and gives it to the female, who keeps it in the mantle cavity until needed for fertilization.

Researchers have identified a sex chromosome in the California two-spot octopus. This chromosome has likely been around for 480 million years, since before octopuses split apart from the nautilus on ...

This story ran in the April 2016 issue of National Geographic magazine. In most octopus species it’s customary after sex for the female to make a meal—of her partner. To avoid being eaten, the ...

Another study focused on the optic glands of female Octopus maya, which play a crucial role in regulating reproductive processes. The research found that thermal stress significantly altered the ...

Scientists at University of Oregon discover one of the oldest known animal sex chromosomes in California two-spot octopus.