This encyclopedia may be useful for the aquarium fish and plants fanciers. The information is collected from Internet. The authors will try to regularly add-in new information.

The following issues are treated:

• Fishes - region, appearance, keeping and breeding, symbolic designations.
• Plants - region, appearance and cultivation.
• Food - appearance and ways of preparation.
• Fish diseases - types of diseases and their medical treatment
• Algae - Algae types and how to cope with them.
• Do it yourself - various devices and schemes that you can make yourself.