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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 in the article.

Under the name “catfish” joins more than 1200 species of whiskered fish that is distributed into 31 families and 150 genera. Most of them are found in freshwater reservoirs 5 continents, and only 1% of their number are marine inhabitants. Only in the rivers and lakes of South America is home to about 1000 species of catfish.

Representatives of catfishes are very similar in body structure with Cypriniformes. The body of aquarium fish catfish often covered with bony plates, or protected by spikes. However, aquarium fish catfish no scales present, their body is considered naked. Around the mouth there are several pairs of whiskers. Aquarium fish catfish not picky about the oxygen thanks to its auxiliary respiratory organs – the outgrowths of the Gill bars, leather etc. many of them have an adipose fin, which is very similar to the fin in salmonids and characids. Males are generally slimmer than females and have additional symptoms: of skin growths, enlarged head and enlarged fins. Aquarium fish catfish photos confirm that these PicasaWeb mainly benthic lifestyle, also be armed in the evening and at night.

Catfishes are quite varied. Among them there are giants that reach up to 300 kg of weight and three-quarter-inch dwarfs. Catfish are peaceful and carnivorous, and can live in the swamp and in the rapids of mountain rivers. It should be noted that in nature there are catfish with electric organs, which can cause significant shocks. Kilbowie, castkova and other species of catfish as a result of vibration of the fins and the swim bladder can produce sounds. Some members of the siluriform able to crawl on land and breath atmospheric air, others moved into the groundwater and are found in artesian wells. Security, loricaria etc due presscam can be securely attached to the bottom substrate and remain in the fast current. Among catfishes is quite transparent glass types – Physailia, Tandanus, Parailia and others.

Aquarium fish catfish known to 800 species. Conditions of these aquarium fish are as follows: the pH of water between 6.8-7.5, DH 6-12, temperature 22-26 degrees. For keeping aquarium fish catfish required aeration and water filtration, as well as a daily substitute to 1/10 part. For aquarium fish catfish requires a vessel with a large area of the bottom, where there should be water plants with developed root system and the soil is better to use rounded gravel, with a diameter of 5-10 mm.

For spawning small species of aquarium fish catfish requires a capacity of 20-50 liters, and for large – 100-500 liters. Spawning in aquarium fish catfish is seasonal. The majority of catfish guarding their offspring. For example, Galeichthys felis carries the eggs in her mouth, and Aspredo staple it to the abdominal wall. Among the catfish have representatives with internal fertilization (e.g., Trachycorystes). The incubation period is 1-10 days, and the productivity ranges from 50 to 30,000 eggs. Aquarium fish catfish mainly feed on animal food, but there are also fans of plant fouling and organic residues. For feeding of young catfish using rotifers, micro worm, shredded Tubifex, liver, egg yolk powder, etc. In aquarium conditions the fish live from 3 to 25 years.

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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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