One, belongs to a different subject

Octopus: octopus belongs to the octopus family of the order Octopus.

Murray: Murray belongs to the squid order Squididae.

Squid: Squid belongs to the family of gun squid of the order Decapoda.

Octopus: Octopus belongs to the octopus family of the order Octopoda.

Sea hare: The sea hare belongs to the family of sea hares of the order Noctuidae.

Two, the growth of different environments

Octopus: octopus mainly grows in the world's oceans of tropical and temperate waters.

The cuttlefish: cuttlefish generally live in the depths of the ocean, resting in the deep sea during the day and swimming to the shallow sea at night to feed.

Squid: Squid generally swim in schools in the ocean at a depth of about 20 meters, often active in the shallow middle and upper layers of the sea, with a vertical range of movement of more than a hundred meters.

Octopus: The octopus is found in tropical and temperate seas all over the world.

Sea hares: Sea hares like to live in clear waters, open currents and seaweeds, and feed on a variety of seaweeds.

Expanded Information

Squid food precautions:

1, pay attention to the amount of food, should not eat too much, so as not to cause allergies.

2, squid must be cooked through before eating, all because of fresh squid has a peptide composition, if not cooked through the consumption, will lead to intestinal motility disorders.

3, squid and other aquatic products such as cold, cold spleen and stomach people should eat less.

4, squid contains more cholesterol, so hyperlipidemia, hypercholesterolemia, atherosclerosis and other cardiovascular diseases and liver disease patients should eat with caution.

5, squid is hairy, suffering from eczema, urticaria and other diseases avoid eating.