3. Open the octopus's head, squeeze out all the internal organs and wash the ink.

4. Throw away the octopus viscera.

5. Then peel the octopus, tear it down from the head, and finally rinse it again. The washed water is clear, which means it is clean.

Octopus is an invertebrate with eight wrists on its head, so it is also called octopus. Octopus mostly lives in gravel or soft mud bottom and rocks in shallow water, and is carnivorous. It feeds on cladocera and crustaceans, making octopus a delicacy on the table.