Not all aquarium fish (and especially cichlids) so tolerant of their neighbors as ramirezi apistogramma and other dwarf American cichlids. Livable but not their only advantage, they are also very beautiful, they are interesting and, without exaggeration, meaningful behavior. That is why the fashion for these fish kept for many decades.
We all know that fashion is changing. In clothing from season to season, but in the aquarium it is slower. As a rule, the interests of the masses lovers of aquarium fish have time to change considerably over five years. Sympathy for some groups of fishes, having certain pronounced features that can steadily be maintained for decades. And yet, the process goes on. I remember the fashion for viviparous fish has been replaced by fashion for barbs, then became popular South American cichlids, and then a lot of people are fascinated by cichlids, but already African. Like any fashion, the fashion fish repeats. Continue reading
A huge mistake beginner aquarists is the desire to acquire a goldfish . Yes, indeed, this representative of the carp family looks very impressive in the aquarium. But it’s just as capricious. Not having the relevant experience in maintenance of aquarium fish you can easily lose your pet. On this before you make a striking and beautiful instance and maybe a couple to learn the specifics of caring for them.
Where did Gold fish
The first aquarium goldfish appeared a long time ago, about a thousand years ago. Domesticated, this species of carp the Chinese. And the ancestor to modern beauties was an ordinary goldfish. Bred by artificial breeding of fishes were very valuable not only from a species standpoint, but also with the material. Then they cost a lot of money. This was especially true of rare species. Continue reading
Living in the depths of the North Pacific ocean macropinna the Smallmouth has a very unusual appearance. Her transparent forehead, through which she could spy out the production of their tubular eyes.
Unique fish opened in 1939. However, at that time did not work well enough to study, in particular the structure of the cylindrical eyes of the fish, which can move from vertical to horizontal and Vice versa. It was done only in 2009.
Then it became clear that the bright green eyes of this little fish (it does not exceed 15 cm in length) are filled with a clear liquid chamber of the head. This camera covers a dense, but at the same time elastic transparent membrane, which is attached to the scales on the body of the Smallmouth macropinna. Bright green eyes of fish due to the presence of a specific yellow pigment. Continue reading
…do you personally own a huge amount of iron? Know how much of it do you? Thirty-five tons! So much falls on each inhabitant of the planet, if you extract all of the iron dissolved in sea water.
…on geographical maps 18-19-th centuries can be found melted geographic point? It is an island of the Royal Campaign, the island is emerald island, the Nimrod, Dougherty island. Mariners just misses put them on the map. In fact, these Islands were… of large icebergs.
…in the ocean there are unusual vortex with a diameter of 100 kilometers? It was discovered by oceanographers from the University in Kyoto in the Pacific ocean near the Japanese Islands. Scientists struck by the fact that the axis of rotation of this vortex is not vertical but horizontal. A huge amount of cold water rises from the depths once again and slowly sinks to the bottom, rotating like a wheel. Continue reading
Among the fish, horror at the man, the most terrible is the white shark. But no less chilling stories to tell about the little fish-the piranha. In many legends she is able to strip a large animal in just half an hour. Only the water gets a drop of blood, piranha transforms into a crazed demon who hits on anything that he comes across.
Here it is — the famous and legendary piranha. A small fish, only some 20 cm, with purple (female) or blue-black (male) color. Can also be olive-silver or bright red. Nice fish? Believe me, it’s no longer be the case. Piranha known reputation of bloodthirsty fish. Just look at her strong jaw with many sharp, pyramidal teeth.
The name itself is fraught with danger. The word “piranha” is borrowed from South American Indians and means “sharp-toothed demon.” Indeed, the teeth they terrible. Jaw muscles are so developed that the piranha can to shave off the smallest piece. She does not tear the prey, and cut it in pieces, like a surgeon with a scalpel. The teeth are very sharp, no thick skin no protection. Adult piranha can bite a stick or a human finger. Piranha can even bite through steel. Piranhas are especially dangerous during the spawning season, when fish pair first, and later one male, guarding a clutch of eggs. Continue reading