Sea hare: fish from the Pacific ocean
Description fish-rabbit Sea hares are most common in the Western Pacific, the Mediterranean and the tropical waters of the Indian ocean. They have a medium size and oval body, flattened…

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Amazing creatures of the seas and oceans
1. Spotted dolphins . Bahamas. The comment of the photographer: "Night of spotted dolphins swim from the shores of the Small Bahamian banks in the deep water of the Gulf…

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Marine catfish in Egyptian
Everything carefully to mix, put on top of the first cake, making in the center of the hill, because during baking the dough sits. A slice of bread soak in…

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Nitrogen metabolism in the aquarium

Nitrogen metabolism in the aquarium: (1) Forage (2) NH 3 . (3) NO 2 . (4) NO 3 . (5) H 2 O. (6) Lighting, (7) Fertilizer (8) O 2 . (9) CO 2

Aquarium (lat. aquarium ) — transparent container for permanent keeping of aquatic organisms.

It typically refers to a home aquarium (room) aquarium for keeping fish aquarium in home; for technical reasons, the maximum volume of such a tank is usually less than one cubic meter. Public aquariums . intended for demonstration to the audience of aquatic flora and fauna existing in the structure of zoos or as separate spectacular educational institution, can be up to 7500 m3 in volume.

To maintain the biological balance in the aquarium used a variety of tools: aerators, mechanical and biological filters. thermostats. thermometers and much more. Description simulation of the ecosystem in an enclosed artificial pond and various aspects of breeding fish deals aquarium.

Distinguish from aquariums terrariums. paludarium and aquaterrariums intended for the maintenance of terrestrial and wetland animals and plants.

Dimensions of aquariums

The size of the aquariums can vary in a wide range: from one to several thousand liters. Different species have different requirements for sizes of aquariums. Clear requirements for the minimum size, but there are a number of recommendations. For example, fish that are able to move very quickly and in nature they live in fast flowing rivers, require aquariums of large dimensions — approximately 10 times greater than the length of the body. Such fishes as stingrays. requires an aquarium with a large surface area of the bottom, fish the most important parameter of the tank can be depth. Some fish, however, very unpretentious — for example, chickens can live in tanks ranging in size from 0.5 liters.

In the aquarium more volume creates more stable and resilient ecosystem, which also owns the ability of self-purification and self-regulation. The smaller volume of water fits in the aquarium, the more noticeable changes in its quality — temperature, chemical composition, oxygen saturation, etc. [2]

Aquarium fish Labe
This kind of aquarium fish listed in the Red book IUCN - the world conservation Union. The Labe although aggressive, but very popular fish in the home aquarium. Large specimens…


The red sea and the Mediterranean
Egypt is washed by two seas: to the North by the Mediterranean sea, on the East by the Red sea. In Egypt the sea warm and clean, so their shores…