Octopus sasakii is a species of octopus found only in salt water. This species is a taxon inquirendum.
It is able to change its color. It moves forward by vigorously squeezing water in its cloak and pumping it through the siphon.
Itis carnivorous with a diet consisting mainly of fish, crabs, lobstersand molluscs, which it catches with the suction cups on its tentacles.
It is parasitized by Dicyema shimantoense, which infects its renal appendages.[1]
The specific name honors the Japanese zoologist Madoka Sasaki who died in 1927.[2]