The East Asian common octopus lives in shallow coastal waters around Japan and Korea. It was once grouped with the Atlantic common octopus (Octopus vulgaris) because the two look so similar.
Appearance
Appearance
Its eight sucker-lined arms spread from a soft, rounded body. Skin color can change to blend with the seafloor.
Where it lives
Typical habitats
Shallow coastal seafloor
Rock crevices
Range
Native to coastal Japan and Korea in the northwestern Pacific. It is not a native wild octopus of the United States.
Behavior
Diet
were the leading food group in a study off Yeosu, South Korea.
Activity
In Japan, it hides in holes or rock crevices by day and becomes active at night.
Life cycle
Reproduction
The female attaches eggs under a rocky shelter and guards them until they hatch.
Name and classification
About the name
Although sinensis means “from China,” the original specimens came from Japan.