Today our article will be about a very ancient creatures of the animal world that lived before dinosaurs and sharks. So there you go.
• At the moment the science there are about 350 species of sharks, but scientists believe that there are unexplored species.
• The size of sharks vary greatly. The smallest known shark is the dwarf shark glowing. It has a size
no more human hands. The greatest number of sharks include a large whale it often exceeds 10 meters in length. There are reports of specimens 18 and 20 meters. Despite their enormous size, they feed only on plankton and small crustaceans.
• The shark is a fish, moreover it has no bones in his body. The entire skeleton of sharks consists of cartilage.
• In order to breathe, a shark must constantly swim. Continue reading
There are a huge number of varieties of aquarium fish, each of which has individual qualities and appearance.
Aquarium fish are completely different shapes, sizes and colors.
Choosing fish for your aquarium, you need a balanced and reasonable approach to this procedure. The first thing to consider the compatibility of the fish and size of aquarium. Is that some sort of fish grow larger than their neighbors and just eat them.
Different types of aquarium fish prefer to dwell in different water layers, some prefer is always at the bottom, some in the middle layers, and at the surface. So, if you want your aquarium to be balanced and everywhere were its inhabitants, it is necessary when selecting the fish to take into account this fact.
Types of aquarium fish
There are two main types of aquarium fish is viviparous and ikromechuschie. Viviparous fish giving birth in the form of small shaped fish. Continue reading
Stars in the fairy grottoes
The fish dropped.
The sparkle of gold
Passion, how arrogant!
Goldfish (Carassius auratus auratus, family Cyprinidae, Cypriniformes squad) is the first domesticated fish, and one of the most common species kept in an aquarium. Individuals of this species are relatively small compared to other cyprinids (e.g., carp and koi), and come from less spectacular carp (Carassius auratus) from East Asia. With more than thousand-year history of the contents of the goldfish in China have resulted in several distinct breeds. Individuals of different variations may vary considerably in size, body shape and fins and coloration (known combinations of white, yellow, orange, red, brown and black). Continue reading