Sea spiders with legs below their real head: I did it with my legs for giving birth

There are millions of creatures living on the earth. They seem to be unrelated in the whole process of life. In fact, they are in a complex chain of intertwined and tangled organisms. There are interdependence and cooperation between them, and there is a relationship of resistance and predation. The complex and ever-changing human connections are changing every day. The interlacing and integration of nemesis foraging and cooperative survival has completed the stable balance of nature. And there is such a creature called "no nemesis in the whole ecosystem", have you heard its name? That is the long legs of the deep sea - the sea spider.

From its name, it can be inferred that it is similar in shape to a general search engine spider, but in fact it is an arthropod that lives in the deep sea. With their traces, it can be called the "senior level" among deep-sea creatures. It is often called long legs, because in the design shape, it has all legs except for the lips. Under the simple structure of human organs, its way of life corresponds mostly to its long legs.

For example, its digestive tract and its reproductive system software grow on its legs. When the sea spider has to eat, the snout tube on its feet starts to work. The top of the snout tube has a triangular opening, and a sharp mouth The utensils carry out the production and processing of "old and new" for the ingredients, sucking their juices deep into it to achieve the purpose of eating, and most of the eating targets selected by sea spiders are basically animals that are not easy to move, such as coral reefs and sponges Slow-moving deep-sea creatures.

Not only eating, but the Sea Spider, the key daily quest for biological succession, can be performed with its legs. There are walking feet and genital holes on its feet. For this reason, the male and female sea spiders are distinguished. During the whole breeding process, the male sea spider will be close to the egg-laying female sea spider. According to fertilization Then, the sperm-egg combination is formed into a ball and placed on its own egg-holding limb, and then the next step of oviposition work is carried out. Therefore, until the larvae are oviposited, the male's egg-holding limb has been carrying the sperm-egg combination. Until the larvae are really successful in oviposition, it will leave the male sea spider and enter the sea to gradually live alone on its own.

In terms of living conditions, the way of life of sea spiders looks more unconventional. Most of them live on the bottom of the sea, and creatures are basically unable to survive in such a harsh environment, which means that sea spiders are hard to beat here, and there is basically no nemesis that can forage them, and the seabed has high dissolved oxygen concentration. The value also caused the basal metabolic rate of the sea spiders to slow down, so that they gradually transformed into super-large bodies.

For example, experts in the Arctic deep-sea industry have previously discovered a super sea spider with long legs reaching 25 cm, which has set a record for the size of a sea spider. In experimental scientific research in different waters, biologists also found that sea spiders in the Arctic are generally larger than those in other waters, which biologists call "electropolarization". .

However, the super sea spiders with such long legs do not make full use of the advantages of long legs. They are still stumbling, dull and sluggish in their daily walks, which can explain why it only selects some sea anemones and coral reefs in the original text. class of deep-sea creatures as feeding targets. As for itself, the structure of long legs all over the body makes it difficult for it to become a delicacy in the eyes of other creatures, and the lack of an edible place is probably a key reason why it can survive for so many years.

Sea spiders use specific survival methods to prove the big truth that "just become a complete waste, then no one can use you". It has survived for 450 million years. It happily carries out simple meals and fitness exercises every day. It has no desires, it is calm and calm, and it does not have to worry about losing its life anytime and anywhere, because no other animal wants to going to eat it. Even the people standing at the top of the biological chain have not discovered the use value of all the use of it in the long-term experimental scientific research, so as long as there is enough to be useless, you will be able to live from the Cambrian to the present and the future...