Viviparous. These kinds of bright and unpretentious. They hold the palm of popularity among aquarists for several decades. The main secret of its popularity are viviparous their size, colour, simplicity and ease in keeping and breeding. Formed birth to live fry, bypassing the stage of eggs is the main feature of the viviparous. After the birth of the fry, adult fish, you need to isolate, as adult viviparous individuals can take the fry for live food and destroy the hatchlings. To save fry, landed in the corners of the densely growing aquatic plants.
Guppy. This is a favorite of aquarists and children. Guppies — the most common viviparous. They are found in most aquariums. Males have more popularity than females because of their iridescent coloring. Almost all the male guppies have large bright tail fins, which may surpass in size all the fish. There are breeds with ball tail fin and long dorsal fin (it hangs on its side in the form of a tape). Interesting is the forked form of the tail in which the upper and lower rays abruptly lengthened relative to the middle of the tail. Breeders was bred breed guppies with elongated lower beam tail. But the female guppies prakticheskimi colored, dull and not have a significant diversity of colors. 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
In recent years, studies of the deep sea are very active. However, the oceans keep so many secrets that I reveal have scientists of several generations. There is evidence that to date 99% of the area of the bottom of the oceans of the Earth remain unexplored. However, there are animals, scientists are already open. And most of them boggles the imagination as to their appearance and lifestyle. A large part of deep-sea animals are predators. So, bathysaurus that live in tropical seas, is the predator who has mastered the very deep part of the sea.
He is able to swallow everything that gets in his way. His sharp tongue equipped with teeth, does not give the prey the slightest chance to escape. Bathysaurus not necessary friend of life: nature gave him the genitals of male and female at once. Long and sharp fangs has a fish-Viper. Your teeth that do not fit in the mouth, it is able to kill any prey, but can eat fish larger than themselves: her stomach is stretched if necessary. Continue reading