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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Home aquarium
Do I need an aquarium in the modern home? The modern life such high-speed train, uncontrollably gaining speed and rushing into an uncertain tomorrow. Every minute counts, all that can…

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Seahorse refers to ray-finned fish. Forms a genus in which there are 54 species. They live in shallow waters in tropical and subtropical marine waters worldwide. In the Pacific ocean are found from North to South America. In the Atlantic from Nova Scotia and further South. There is a colony at the mouths of the European rivers. For example, in the Thames. Three species live in the Mediterranean sea.


Body length varies from 1.5 to 35 cm External appearance resembles a chess knight. The skin is thin and stretched bony plates in the form of rings. Each type have their number of rings. The neck is flexible and well expressed. For seahorses is characterized by vertical rather than horizontal movement in the water. They tremble dorsal fin and pectoral fins behind the eyes.

This is the most slow swimming fish in the world. Their top speed is 2-1,5 km/h. Caudal fin not. These bad swimmers most of the time are stationary, hooked prehensile tails for marine vegetation. Snout long and tubular end stigma. It works like a pipette, drawing the food along with water. Eyes have the ability to move, independently from each other. Continue reading

Fish catfish. Fishing for catfish

Catfish — fish–giant. It is the largest predator that lives in fresh water. Belongs to the family somovyh. Representatives of this family are peculiar to the clumsy, highly elongated, spindle-shaped body, naked or covered with bony plates. The head is relatively large, tapered. Mouth wide, with numerous small teeth having the shape of a cone.

To this family belongs more than 550 species that live in fresh waters. Most likes deep standing water and is muddy. Catfish hunt, lying on the bottom motionless waiting for prey.

In reservoirs of Russia, the spread of ordinary som. It sometimes reaches a length of 3 m, weight 300 kg. Scientists believe that these giants are about 80-100 years, but most caught catfish weighing 10-20 kg. Their body is covered with a thick layer of mucus, the skin is dark with a greenish tint. Continue reading

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

Shark catfish: the mini-shark in your aquarium
Pangasius is not only a delicious lunch. Siamese pangasius, aka shark or catfish shark aquarium is also a kind of aquarium fish. Those who want to have in your aquarium…


The fauna of the Black sea
The flora and fauna of the Black sea is quite diverse, although in recent years, in connection with the anthropogenic activity and has undergone significant changes in its composition and…