Fish’s extensive collection of cichlids are one of the most interesting inhabitants of the aquarium. And this is connected not only with their beautiful coloring, but also with a very complex behavior.
Watching a pair of cichlids that build a nest for future spawning. Another thing is that in a fit of parental activity they dug up the soil and rip out all the plants and you will have to equip everything all over again… But I get bored with them you just do not have. Large species can grow up to two feet in length, and live in the aquarium up to 25 years. Small cichlids live less than 3-6 years.
Fish cichlids are complex.
The origin of aquarium cichlids
Because the family is quite numerous and widespread across the globe, aquarium cichlids come from different regions with different habitat conditions. In aquariums contain mostly American and African cichlids. The last occurs, for the most part, from three major African lakes: Victoria, Tanganyika and Malawi. For each of the groups requires special conditions. Continue reading
In the Black sea is almost not found dangerous to humans – animals. Those are just a few of the inhabitants of the Black sea that could bring You into trouble.
Medusa, remember, it is better not to touch, especially large ones. The most dangerous jellyfish Aurelia and kornerot. Kornerot has a fleshy dome and a heavy beard of thick tentacles that try to circumnavigate them, but honestly, nettle burns stronger than kornerot. Another major black sea Medusa Aurelia, Its stinging cells weaker, the skin on the body they do not penetrate, but burn the mucous membranes of the eye or the edge of the lip can hurt Aurelia. If the child touched the jellyfish, even a dead – rinse his hands – there may be stinging cells, and if then he would RUB their eyes, it will burn.
Be afraid of fish sea perch (sea Scorpion), it looks a real monster – big head covered with protuberances, horns, bulging red eyes, huge mouth with thick lips. The rays of the dorsal fin transformed into a sharp spines, which, when disturbed, spreads, at the base of each beam – toxic-iron. Notice the sea perch is difficult, they lurk between the rocks, under the seaweed, and, like all bottom fish, change color to the color of their environment, can quickly lighten or darken depending on light conditions. Well, if You noticed, we do not touch, much more interesting than lying on the surface of the water to see through a mask for his hunt. Continue reading