Cephalopod of mollusk, a kind of squid, has a conical body, pale body with light brown spots, a big head, ten touching feet in front and triangular fleshy fins at the end, and often swims in groups in the ocean about 20 meters deep.

Squid is thinner and shorter than cuttlefish. The squid carcass is cylindrical, more than 25 cm long, and the tail fin is short and wide, showing a short diamond shape. The eyes are directly exposed, and there is no film covering.

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Cuttlefish, scientific name: squid. Branch: sepiidae,

Cuttlefish, also known as "squid", can also be called squid and cuttlefish. It has a boat-shaped calcareous carapace, much larger than squid, and its ink sac is particularly developed. When it meets the enemy, it can spray brown and black juice to confuse the enemy's sight and escape.

Squid is a kind of marine animal, distributed from offshore to ocean, closely related to octopus and nautilus, with different sizes.

The body can be divided into three parts: head, trunk and feet. Feet in front, trunk in back, head in the middle. The side of the foot protrudes like tentacles, and the base surrounds the head. There are many suckers on the tentacles, which are used to catch and catch prey. A toothed tongue and a hard horny beak in the mouth can kill small creatures and tear them to pieces. The coat is a thick muscle layer, which tightly wraps visceral sac. The jacket is connected with the funnel. When the sheath cavity is filled with water, the object can move forward through its reaction force when the water is rapidly ejected from the funnel.

Squid is dioecious, and the gonad is in the second half of the visceral sac.

Habits and utilization: inhabit the bottom of the general continental shelf, swim near the shallow sea during the breeding season, lay eggs on the seabed and attach seaweed or Shenmu. Eggs are large, concentrated in colloidal oocysts and often stick to seaweed like grapes.

Squid likes to eat fish, shellfish, crustaceans and so on. It is a fierce carnivore, which is harmful to fishery, but it can be eaten by human beings.

squid

Also known as soft fish, it is the common name of Oegopsida suborder without eye patch in cephalopods (Guniformes ~TEUTHIDA). There are 65,438+00 appendages around their mouths, of which 8 are wrists and the other 2 are flexible touch wrists, but their touch wrists have no storage bags and cannot be retracted. There is a long and narrow transparent horny inner shell in the body.

Octopus = octopus

Also known as Shiju, it is the common name of octopus in mollusca. There are only eight wrists around the mouth, so it is also called octopus. The sucker on the wrist has no handle and toothed ring, and its body is soft and has no inner shell. The female octopus of the octopus family will make a calcareous shell with only one chamber, which is not divided into many air chambers. Octopus are mostly benthic species, mainly crawling and swimming less.

cuttlefish

Molluscs, Cephalopoda, Decapoda. The shape can be divided into two parts: head and trunk. There are a pair of big eyes on the head, and there are ten wrist rows on the edge of the mouth, with suckers on them, two of which are particularly long and used to catch prey. The body is oval and flat, with uneven black spots on the back, calcareous inner shell and ink sac, which can spray ink to defend the enemy. It can move quickly by the jet force generated by the triangular fin at the back end or the funnel-shaped water pipe at the head. Like to eat shellfish, crustaceans and fish.

Cuttlefish is cuttlefish with a wide shape, and there is a delicious variety called soft silk.

Squid includes small tubes, medium rolls and so on. , similar to squid, with a narrow body.

All of the above belong to cephalopods and octopods. (ten feet)

Octopus, a cephalopod mollusk, is the favorite of Japanese people. (eight feet)

Octopus, squid, cuttlefish, nautilus, etc. All belong to cephalopods in mollusks. Octopus and squid can be said to be the smartest invertebrates, with highly developed brains and nervous systems.

Octopus swims faster than most marine animals, in order to catch prey and avoid being caught. When the octopus swims, it faces backward and ejects a stream of water from a funnel called a "water pipe" to push itself forward.

Octopus has eight muscular and flexible "arms" (so it is commonly called "octopus"), and a sucker is attached to its lower surface. They use these arms to catch prey and climb to the bottom of the sea. There are tactile and taste receptors on the arm, which can help octopus judge whether the caught thing is edible or not. In addition to eight arms, octopus has two long tentacles, which can be used for hunting and can reach out to catch past prey in an instant.

Octopus may appear black, red, orange, yellow, blue, green or purple, depending on the species. They can change color in an instant to scare predators; Or blend in with the surrounding environment to form a protective color; Or send a signal to a companion. The epidermis of octopus contains pigment cells and is surrounded by a circle of muscles. When pigment cells expand, the color of epidermis will deepen and fade when they contract. Friends who want to know about the whole deep sea king Yan cheese octopus roast (non-early Tang roast/non-octopus octopus octopus roast/non-octopus octopus octopus flower/whole octopus roast/Dotonbori octopus roast) please see here ~

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1 1:00? 13:00

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Takot888.blogspot/, octopus and octopus are still the same fish in the water.

Squid can spray ink.

Squid is an edible cooked fish.

Also known as soft fish, it is the common name of Oegopsida suborder without eye patch in cephalopods (Guniformes ~TEUTHIDA). There are 65,438+00 appendages around their mouths, of which 8 are wrists and the other 2 are flexible touch wrists, but their touch wrists have no storage bags and cannot be retracted. There is a long and narrow transparent horny inner shell in the body.

Octopus = octopus

Also known as Shiju, it is the common name of octopus in mollusca. There are only eight wrists around the mouth, so it is also called octopus. The sucker on the wrist has no handle, no toothed ring, soft body and no inner shell. The female octopus of the octopus family will make a calcareous shell with only one chamber, which is not divided into many air chambers. Octopus are mostly benthic species, mainly crawling and swimming less.

cuttlefish

Molluscs, Cephalopoda, Decapoda. The shape can be divided into two parts: head and trunk. There are a pair of big eyes on the head, and there are ten wrist rows on the edge of the mouth, with suckers on them, two of which are particularly long and used to catch prey. The body is oval and flat, with uneven black spots on the back, calcareous inner shell and ink sac, which can spray ink to defend the enemy. It can move quickly by the jet force generated by the triangular fin at the back end or the funnel-shaped water pipe at the head. I like to eat shellfish, crustaceans and fish.

Image reference:. yimg/iugc/rte/* * * iley _ 4

Reference: I hope it will help you! Octopus is a bream. Megalobrama amblycephala is an octopus with different names. Squid and cuttlefish are two different kinds of seafood, but they are both dark. Many people are confused. Squid is slender (long body), cuttlefish is short and fat. (Short) Have you ever found that people are happy or beautiful, and some of them are burnt?