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
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.
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
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