Researchers at the University of Oregon have identified a sex chromosome in the California two-spot octopus. This chromosome ...

Nautiluses are well-adapted to deep-sea environments where conditions are relatively stable compared to surface waters. Their ability to live in these more stable environments may have helped them ...

Researchers from the University of Oregon have solved a longstanding biological mystery: octopuses utilize a specific ...

All of them had a chambered shell that they used for buoyancy.' The group Cephalopoda is divided into three subgroups: coleoids (including squids, octopuses and cuttlefishes), nautiloids (the ...

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 ...

Scientists have made an exciting discovery about octopuses: they have one of the oldest known sex chromosomes in the animal ...

BREEDING: Most information about breeding is based on animals in captivity. Chambered nautiluses reproduce sexually. Females produce a relatively low number of eggs (10-20) per year, and gestation ...