Aquarium fish, by definition, live and breed in the aquarium. For the most part, people have fish for decoration, but in some cases they are specially bred for sale. Ornamental fish in natural conditions live in subtropical and tropical fresh waters, and obliges the owner of the aquarium to maintain appropriate habitat conditions with a high temperature water environment.
Many aquarium fish have odd shapes, small sizes and bright colors, for which they are highly appreciated in the decorative plan. The most popular are goldfish, which as if came to us from the famous fairy tale. In the Russian realities aquarium fish is ecosublime, Cypriniformes and Perciformes orders. Well, most often in aquariums of our residents can meet angelfish, barbs, catfish and nannostomusy.
If you are new to the aquarium thing, we might think that fish is an extremely stupid water creatures. In fact, they are bought only for beauty and decoration, so the mind is required. Moreover, some people consider fish not as living beings but as a real decorative object. Only with time come to them the idea that in the aquarium swim real Pets, for which poznavatelnoe very interesting to watch. Aquarium fish are often attracted to genetic research, resulting in new and very beautiful variety.
To do fish, you can not only adults but also children. For the latter category is especially useful, since communication with aquatic animals, develops psychological comfort and establishes emotional contact. Simultaneously, children develop skills and a sense of responsibility. Fish can even be affected person on a physiological level. In the process of monitoring the normalization of blood pressure, disappears stress, calms heart. Continue reading
Goldfish – Telescope (moor Carassius auratus) is an ornamental aquarium fish of the Carp family (Cyprinidae). This fish is also called depakinom and a water dragon. The telescope is one of the forms of the goldfish (Carasius auratus), bred through long selection.
The fish – telescopes bulbous rounded body. Its height more than half length of body. The fish have lengthened (up to ¾ of body length) two-bladed tail fin hanging down. The fin on the back stands upright. All other fins – long veil. The name telescope fish was at its largest (about 2 cm), protruding (bulging) eyes. The diameter of the eyes of the instances that took in Shanghai, up to 5 cm Fish – telescopes differ in the length and shape of the fins, color, presence or absence of scales and many others. Telescopes with a tail fin similar to a skirt, usually called a skirt, but if the tail is in the shape of ribbons — strip telescopes. More widespread telescopes, whose velvet-black color of the body, beautiful elongated fins and a forked caudal fin. The height of the body of the fish is equal to ¾ of its length. The black body of the telescope is covered with scales, which is in straight rows.
Telescopes that have symmetrical black and white color are called pandas, but if the torso is painted white, and panicipant black — billed magpie. Distinguished several types of telescopes, depending on the size, shape, and directions of the axes of the eye. Your eyes basically are: disc, spherical, spherical, conical and cylindrical. The eyes should be symmetrical and the same size. The fish, in which the axis of the eye is directed upward, is called the heavenly eye or the stargazers. Such fish is a separate species. Stargazers have a small long forked tail, and lack of dorsal fin. Continue reading
Poisonous fish on the planet much more than poisonous snakes – more than 1250 species (snakes – 410). And every year ichthyologists discover new dangerous species. In this article we are not talking about the exotic inhabitants of the tropical seas, and about ordinary Russian fish living in our rivers. That’s only when you try to use this trivial-looking production in food from fisherman might suddenly begin diarrhea, headache, hallucinations, and other troubles, including death.
Easy Russian fish
Let us first clarify what classes can be divided poisonous fish. So, they are primary and secondary toxic-poisonous. What does it mean? That means there are fish, like snakes produce venom in special glands or by its nature containing in the body dangerous products of metabolism, that is, initially-poisonous.
To secondary poisonous fish are able to accumulate in their bodies a poison contained in the environment. Such environments can be living in the pond poisonous algae or, even worse, fall into the water of toxic human waste.
And if the second paragraph is all clear, and to protect yourself from poisoning very easily (just not enough to catch and certainly not to eat fish caught in suspicious ponds), initially-poisonous things are much more complicated. We begin our story. Continue reading