Despite their similar appearance to nautilus shells, the egg cases of these pelagic octopuses are made with different genes.

A photograph of a paper nautilus in the aftermath of the Taal volcano eruption in the Philippines has won 2023 Ocean Photographer of the Year award.

Argonauts, also called paper nautiluses, "have a tendency to cling to floating objects in the water," Florida Atlantic University biologist Chelsea Bennice explains.

And for this photo of a paper nautilus, a type of octopus, Jialing Cai has been named the Ocean Photographer of the Year 2023, beating thousands of photos submitted to the competition which aims ...

1. Not a nautilus The paper nautilus (Argonauta spp.) is actually an octopus. 2. The shell The shell is actually an egg incubator. Females make it themselves by secreting a form of calcium, creating a ...

And for this photo of a paper nautilus, a type of octopus, Jialing Cai has been named the Ocean Photographer of the Year 2023, beating thousands of photos submitted to the competition which aims ...

A striking photo of a paper nautilus drifting on a piece of ocean debris by 25-year-old marine biologist and amateur photographer, Jialing Cai, has won the Ocean Photographer of the Year award ...

While on Muizenberg Beach, Dr Tess Gridley, the principal scientist and co-founder of the environmental conservation organisation Sea Search, encountered a paper nautilus octopus. Also known as ...

Scientists are studying how the argonaut octopus evolved the ability to produce a floating shell-like structure to care for its offspring.

A striking photo of a paper nautilus drifting on a piece of ocean debris by 25-year-old marine biologist and amateur photographer, Jialing Cai, has won the Ocean Photographer of the Year award ...