Dangerous animals – memo for leaders and parents
Rest in children's sanatorium "Krynitsa" safe for your children. The territory is guarded around the clock, equipped with video surveillance systems. However, a number of natural factors, in particular dangerous…

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The most terrible inhabitants of sea depths
Of all the inhabitants of the sea depths of mostly afraid of sharks, but on the bottom of the sea you can find such instances, compared to which the shark…

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Aquarium catfish Ancistrus
Homeland ancistrus — mountain rivers of South America. This is a small, length to 10 cm fish, unpretentious and practically omnivorous. Aquarists love them for their helpful ability to clean…

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Cherry shrimp in a community tank

As has been repeated on the pages of the site cherry shrimp being very peaceful and quite aggressive. But if You are going to keep them in a community tank one should think about the neighbours shrimp and the possible consequences of this neighborhood.

With whom you can keep cherry shrimp . Think about the neighborhood with caimans and turtles say no need. But the neighborhood of aquarium fish and other shrimp worth discussing…

So, fish … Cherry shrimp get along well with any species of aggressive fish. For example, guppies, dpri-Dario or microrasbora will be good neighbors for cherries. That fish did not eat up the shrimp and feed the latter is better so that food fell into the thick plants. Then shrimp can easily get to it and fish there. If the aquarium is equipped with a large number of shrubs, you can keep cherry shrimp and a more aggressive species of aquarium fish . But in this case You will hardly be able to fully appreciate these wonderful creatures, Continue reading

Aquarium fish – catfish.

Under the collective name of soma mean — more than 2,000 species of baleen variety of fishes from 31 families. Most of them inhabit freshwater reservoirs 5 continents (only 1% of marine residents). Only in the rivers and lakes of South America is home to about 1000 species. often the body of the fish is covered with bony plates, or protected by spikes. Thanks to the auxiliary respiratory organs (skin, outgrowths of the Gill bars, etc.) soma is not drawoutline to oxygen. They are predominantly benthic lifestyle returnee also be armed and at night.

Ordinary som belongs to a 5-meter high giants, and a parasitic catfish no larger than 2.5 cm Elektroniskie soma can cause significant shocks, and castkova, kilbowie, etc. the vibration fins, swim bladder, etc. can make sounds. Attached to the bottom substrate by using the suction cups loricaria. security, etc. are held in swift current And blind Satan, Trogloglanis (South America) and Ugittflanis (Africa) settled deep underground in caves and artesian basins. Among them are quite transparent glass Physailia catfish, Tandanus, Parailia and others). Continue reading

Pond fish: breeding

Thus, the spawning period is defined more clearly than most tropical species, for which the importance is not so much the temperature, the amount of rainfall.

You can determine the start time of spawning, regularly measuring the temperature of the water in the pond, because the spawning usually begins at a temperature of about 20°C. At this temperature the eggs develop normally. Plus or minus 5 °C, and the fry will be deformed, because things will develop too quickly or too slowly.

Physical changes in the fish also indicate the approach of spawning. For example, the males of the family Cyprinidae appear white swellings, called tubercles. Fish such as Orfe, Rudd, goldfish and koi, the tubercles appearing on the Gill covers and pectoral fins, while Cipriani – along the scalp.

Some fishes, such as sticklebacks, coloring of the male becomes brighter, attracting mates and scaring off rivals. Females of all cold-water species become fuller males. Continue reading

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Shark fish
Sharks are found in open and coastal ocean waters. These mysterious creatures appeared on Earth 400 million barrels. years ago. Belong to cartilaginous fish. as their skeleton consists of cartilage.…


(Carassius s. Cyprinus auratas) - belongs to the carp family (Cyprinidae) and is considered by some researchers a variation of crucian carp (Sagai vulgaris s. carassius). Since ancient times cultivated…