The black stuff is his ink sac, which can be eaten. There is a dish called "scallion with octopus" that can be eaten with live octopus if you blanch it in water.

Octopus

Octopus is generally referred to as octopus

Octopus, also known as octopus, octopus octopus, sitting octopus, Ishiju, Ishisui, Wangchao, dead cow, Taiwanese "TAKO", from the Japanese "たこ (octopus)", belongs to the Mollusca cephalopods. It belongs to the mollusc phylum Cephalopoda (Octopoda), and is the common name for the cephalopod molluscs of the Octopoda, but strictly refers only to octopuses. Because of its head with eight wrists, and the wrists are connected to the membrane, the length of the wrists with two rows of sessile suckers, suckers without a handle, so called "Octopoda". They sometimes spew out black ink to help them escape.

Chinese: Octopus

Region of distribution: Tropical and temperate seas around the world

Family: Animalia

Phylum: Mollusca

Organism: Cephalopoda

Basic description

Alias: Octopus octopus, Octopus, Octopus vesiculosus, Octopus vesiculosus, Octopus vesiculosus, Octopus vesiculosus, Octopus vesiculosus, Octopus vesiculosus.

InterpretationThe shape is like a squid, bigger than a squid, and the flavor is much better than a squid. There are eight legs and a lot of meat. It is also called Zhangju.

The taste is sweet, salty, flat and non-toxic.

Effects and Indications Nourishing blood and benefiting qi.

Notes

The octopus belongs to the cephalopod octopus family, the body is short, oval in shape, no fins, non-toxic, inhabiting in the shallow sea gravel, soft mud, as well as rocky reefs, to crustaceans for food. Because of its head with eight wrists, and between the wrists are connected to the membrane, varying lengths, the wrist sucker sessile, so called "eight wrists class".