Our fish is infinitely the most ancient category of vertebrates cold-blooded animals. Their differences shakes – about 20 thousand species. Previously they were not prepared for existence in the aquarium. But adapted by man for centuries to live in aquariums, fish change their properties, put in them by nature. Do fish very improved ability to fertility in artificial habitats, and with each successive generation they adapt to similar situations of the content.
In addition, the same types of aquarium fish like guppies, barbs, angelfish, swordtails, and many others and have been bred specifically for aquariums. They are exclusively known in our aquariums thanks to their unusual Constitution. Breeders intentionally bred these, that would be to please aquarists amazing forms of fish. They often stand out sometimes even the most unusual features. Colorful case that is considered fish-albino and others. In addition, we must take the memory of that fish aquarium is highly weak immune system. Continue reading