Octopus is a creature of the sea with many legs. They are often eaten by humans in many different cultures.
The arms and other body parts of the octopus are prepared in different ways as dishes people will eat.
For example in Japanese cuisine they will make sushi out of octopus. In other cultures they will make calamari from octopus legs.
So can hamsters eat octopus?
No, they cannot eat any type of fish as food.
Because of the high fat content octopus is not good for a hamster to eat.