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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
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
The most amazing inhabitants of the water depths of the world
1. Fish-drop
One of the most remarkable inmates of the depths. Her look is so not attractive, and bizarre. As a rule, fish-drop lives at depths of 600-800 meters. There were also instances that prefer more extreme depths, namely 1,200 meters.
Prefer to live off the coast of Australia and Tasmania.
This fish is endangered. It is very actively caught and sold by fishermen. Of course, not palatability attract customers, and its unusual appearance.
The fish-drops no muscles, it is composed entirely of a gelatinous mass which density is close to water. It is this anatomical feature allows fish to swim at great depths without spending a large amount of energy.
This fish eats everything that floats by. Generally, its diet consists of molluscs and various.
2. Sea urchin
Some of the oldest animals. They inhabit the Earth more than 500 million years. Today there are about a thousand species of sea urchins. They are divided into two large groups, called: right and wrong. Continue reading
