food

Catfish: aquarium species

Almost all members of the family of catfish unpretentious, so they are recommended even for beginner aquarists. But still some features to care for them.

In a group of catfish includes more than 200 species of fish, but in the aquarium you can hold not all members of this family. This is due to the physiological characteristics of individual species.

Some catfish in adulthood reach an impressive size, so they begin to pose a danger to small inhabitants of the aquarium. In addition, there are breeds which differ quite aggressive in nature, so they too are not suitable for keeping with other fish.

Popular species of catfish

Of course, you can only breed catfish, but the majority of aquarists prefer to choose peaceful members of this large family that they get along with other Pets.

The most popular species suitable for aquarium rearing are: Continue reading

Marine aquarium

MARINE AQUARIUM, a vessel for keeping marine animals and plants. Is usually large in size (200 litres), as its inhabitants usually larger than the inhabitants of freshwater aquariums.

Compared to freshwater marine aquarium is more time-consuming in use, since the secret of the successful maintenance of marine fish is the maintenance of conditions corresponding to their natural habitat. Often contain well-dressed inhabitants of tropical coral reefs. It is interesting to contain cold-water marine life. Such an aquarium should be in the summer especially cool.

Sea water is prepared artificially by division or from commercially available ready mixes for marine aquariums. It must have a salinity of 30-35‰, pH of 8.0 to 8.4, temperature depending on the content types. You need a constant control of temperature, pH, density (measured by hydrometer) and water salinity. Most dangerous is the accumulation of toxins in the water due to protein contamination. To combat protein contamination need a strong filtration system and water reclamation, as well as weekly substitution is not less than a quarter of the fresh water well preferirana water of the same density. The destruction of proteins contribute to aquarium lighting UV lamps and ozonation of water. Primenjajutsja special tools — catchers protein. Continue reading

The fish of the sea cock

Gurnard – sea predatory fish that lives in warm seas around the world. Fish contained in the aquarium. However, for correct content you need to know the specifics of its behavior and power.

Appearance

Fish of unusual shape. It has quite a large head and a long body. Head is bone plates. The pectoral fins are in the expanded form are fan-shaped. Modified rays of the pectoral fins form a kind of feet with which sea cock moves along the bottom. The color of fish is bright, dominated by red, blue, green. Especially brightly colored pectoral fins. For such a bright color the fish and got its name.

The content in the aquarium

Fish necessary for a large aquarium, the amount of which shall be not less than 100 litres per individual. Water temperature – not less than 25 degrees. Gurnard is a thermophilic fish. Continue reading