Tag Archive for 'Octopus insularis'

Examples of 12 arm actions from wild octopuses; octopuses often used multiple arm actions on a single arm or multiple arms simultaneously. Image credit: Bennice et al., doi: 10.1038/s41598-025-10674-y.

Octopuses Tend to Use Particular Arm, or Arms, for Specific Tasks

Sep 12, 2025 by News Staff

New research provides a comprehensive look into how wild octopuses use their arms in natural habitats. By analyzing arm movements across diverse environments,...

Brazil reef octopuses (Octopus insularis) have ‘quiet’ and ‘active sleep,’ with different episode duration and periodicity. Image credit: Medeiros et al., doi: 10.1016/j.isci.2021.102223.

Octopuses, Like Humans, Have Quiet and Active Sleep States

Mar 26, 2021 by News Staff

In a new study, published this week in the journal iScience, a team of researchers showed that Brazil reef octopuses (Octopus insularis) have two different...