Sea catfish
Ordinary som is one of the largest freshwater fish. Inhabits Europe in the basins of the Caspian, Black, Azov and Aral seas, and here in the basin waters of the…

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Fish in the Mediterranean sea
Mako shark (Isurus oxyrhinchus) - the champion of the fastest sharks, reaching up to 4 meters long and weight more than half a ton. Belongs to the category of very…

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accompanied

Pets in the urban jungle – do fish Sleep in an aquarium?

Do fish sleep in an aquarium?

What do fish in our aquarium in the afternoon — we can check at any time. And that’s what they do at night when we sleep? You probably haven’t even thought about it, but they also sleep.

Actually, the biological functions of the body fish are very different from mammals. Because of this, owners of aquarium fish is often not familiar with how it works internal organs their underwater Pets.

So, do fish sleep? Yes and no. They are “asleep” in his own way, not the usual way for us. That is, at the time of “rest” they produce a certain type of activity that we call sleep.

People spend in sleep on average eight hours a day. This is equal to approximately one-third of all human life. For humans sleep is a period of time in which our heart rate and breathing decreases, relaxes muscles and a period of inactivity. “Sleep” in animals is defined in the General Veterinary Dictionary as “…a period of rest, during which suspended physical function and reduced sensitivity to external factors”. Continue reading

Aquarium fish catfish: the external signs and conditions of detention
There are about 1200 species of catfishes that are divided into 31 families and 150 genera. Typical external characteristics, distribution, conditions of keeping and feeding of catfish, will be discussed…

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Life in the deep sea
Biology, Life in the deep sea . The report of the Speech of the World ocean is the habitat of a huge number of plants . fish . marine animals…

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