Does the brain have a fish: the structure and features. What is fish iq?


Today we will talk about whether the brain has a fish. And really, can she think?

The tale of a goldfish excites the imagination of many. To catch such an intelligent individual or, at worst, a pike that fulfills desires, many men dream. But, unfortunately, there are no talking fish in nature. And even “thinking”, in the human sense, it is impossible to meet carp in nature.

Does the fish have brains (brain) or not?

Of course, he is present. And some lovers to sit with a fishing rod by the river seriously consider the badly formed day as tricks of a cunning creature. But it is much easier to explain. The brain of the fish is responsible for its behavior at the level of instincts laid down by nature. And the fact that it does not fall on the hook, to blame for completely different circumstances.


What is fish iq? It is believed that this indicator depends on the ratio of the brain and body. And although life proves that exceptions are too common. Even scientists take these rules for dogma.

The ratio of body size and brain in fish is too diverse. In nature, there are a huge number of species of all sizes and intelligence. For example, the Nile elephant fish is recognized as the largest percentage of the brain-body ratio. But is it possible to call her smart, even if she does not get along with her relatives when space is not enough.

If we consider the brain of fish and their body, then scientists have where to turn. About 30, 000 known breeds provide ample space for research in search of the smartest individual.

So does fish have a brain? What is its structure?

Any anatomy textbook will tell you that the brain of a fish is worth one hemisphere. And only near the bottom sharks, it is represented by two.

It is customary to consider this body as consisting of three parts: the front, middle and rear. Olfactory bulbs located in the forebrain are responsible for recognizing odors. Due to the importance of this function, the olfactory lobes in fish are greatly increased.


The midbrain, consisting of three types of thalamus, is responsible for most of the functions of the body. The visual endings are arranged by analogy with the olfactory lobes, but have an expanded function. The ability of fish to recognize the time of day is laid in particular the structure of the optic nerves. Here is the control center of body movements.

The cerebellum, bridge, and brain extended make up the creature's hind brain.
The relative simplicity of the structure provides all the processes of fish life.

What is a fish brain for?

We have already figured out whether the brain has a fish. Like any living creature, this organ is responsible for the functioning of the organs and the body. For a creature to float, breathe, eat, it needs a brain no less than a human.


Scientists have found that the fish is able to remember the situation and the way out of situations. Therefore, the fishermen have to look for new bait and bait for a large catch. The larger the fish, the harder it is to catch it. Although this is not due to the fact that it is smarter, but that it is more experienced. Naturally, in order for the pike to grow to a meter, it will take a long time. She spends it with benefit. Of course, all these concepts are conditional. What could be good for fish? It feeds and remembers how its food behaves. He gets used to places where there is enough food and there are no two-legged predators. Therefore, to catch the bait of such a “smart” representative of the underwater world is much more difficult than roach, which has a short lifespan.

Studies conducted on carp, showed that the fish is able to remember the situation. Once caught, an individual rarely gets caught a second time. She is able to remember the circumstances and assess the danger. Scientists suggest the possibility of transmitting information at the gene level. It turns out that the children of the surviving fish will be able to deceive any predator. To prove the validity of this statement, no one has yet succeeded. But it is impossible to refute it. The world of underwater inhabitants is too big and diverse.


It should be concluded that fish can not be considered a smart creature. At least, in this understanding, as we take into account the presence of mind in humans and animals. It is certain that there are some rudiments of consciousness, since the fish is capable of self-learning. And if we look at world history, we can assume that with a long-term directional development, in about a million or two years, the fish will turn into a rational creature. At least, scientists consider the water element to be the place of origin of life on Earth.

Do you feel pain?

Do fish experience pain? The question is more important for determining the attitude to fishing. The feeling of pain is provided by nerve endings. Ichthyologists have long determined that there are such on the body of a fish. And that means she can feel pain. There is an ethical problem. How to evaluate the suffering of caught fish? It is better to leave this question to everyone’s discretion, depending on personal moral character.

The smartest

We have already found the answer to the exciting question of whether the brain has a fish. And what is the smartest fish known to the world? This is a golden comet fish that can play ball. And she throws a special ball in the basketball basket and the football goal, arranged in her aquarium. Dr. Pomerleo applied his own method of training and claims that every person can bring up a highly intelligent water inhabitant.

Long memory

Freshwater fish croaker is able to memorize a meeting with a predator for a period of several months. This conclusion was made by British scientists on the basis of studying the behavior of this species. Fishermen in this regard can also give more than one example.

Singing fish

To meet a singing fish in nature seems impossible. Yes, and they say only in fairy tales. But scientists have identified some species that can communicate using sounds. True, it does not look like a speech, growl or whistling of birds. Fish talk through a special rhythm of bubbles produced. Some are able to give certain signs through the fins and gills. Naturally, they “hear” fish not with their ears, but with their bodies.


More precisely, they feel the vibration. The researchers used the ability of sound waves to spread rapidly in the aquatic environment. Experiments conducted on ordinary crucians, showed that you can teach them to sail to the place of dinner by the whistle. Enough months of study, so that the fish began to respond to the sound of the whole flock.


Now you know the answer to the question “Does the fish have a brain?”. Of course. This means that fish can still think. We hope that the information provided in the article was useful to you.

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