First of all, the lifespan depends on the type of fish. There is an approximate pattern associated with size of fish: small fish don’t live long, from one year to five years; the fish are of medium size (5-10 cm) up to 10-12 years; the big fish from 15 years or more. For example, astronotus, cichlasoma, gold fish, piranhas can live for 25-30 years, often the owners, wishing to renew the aquarium, changing the inhabitants. Very large fish, catfish, sturgeon, carp are able to survive person. The lives of many ikromechuschie toothcarps fish (e.g. Nothobranchius) is limited by the availability of water. These fish live in puddles, and the entire cycle takes up to drying of the reservoir, drought tolerate only caviar. Begins the season of rains starts egg development. The life of such fish is limited to 2-6 months (depending on species). good conditions aquarium do not help them. Continue reading
Pomacentridae family (pomacentridae)
This family includes about 10 genera. This is a small, no longer than 15-20 cm, marine fish that have a thick-headed, flattened laterally body. The eyes of these fish are large, and the mouth very small. Dorsal fin single. Fish of this family are distinguished by the fact that they have fusion ninepatch in a single bone plate and the presence of only one nostril on each side of the head. Coloring pomaranczowy sometimes combines the bright colors, but is usually quite faded and enlivened only dark stripes on a relatively dull background.
Although all pomacentridae live in the coastal zone at the bottom, they are quite diverse in ecology and behavior. This applies, in particular, of food: some species eat only animal or only plant foods, others are omnivorous or feed on detritus. At the Hawaiian Islands found 11 species of the family under consideration, some of which live only near certain corals to other areas of the bottom covered with solidified lava, and others, the most numerous, are caught in abundance over any hard bottom. Continue reading
Lately becoming more and more popular ponds in suburban areas. And what’s a pond without fish? It can be ordinary gray carp, but often contain a variety of Koi colors. The biggest Koi (a kind of half-meter “pigs”) were seen in the pond, which is like a medieval moat on all sides encircled the plant for the production of aquarium and pond feed “TETRA”. It is located in the small German town of Melle (a few years ago by company TETRA was invited there for a tour). I am not going to describe how to build a pond, stop for wintering, the more negative the temperature is not far off.
OPTION 1: (hard and risky). – Fish overwinter in the pond, this should be a groove that is below the frost line (the Leningrad region is 1.5 meters). In winter, fish do not feed, since they are dormant, but a prerequisite is to ensure the access of oxygen, and this in the pond should be ice-free hole. It achieves good aeration (special compressor) and the installation of pond heaters on the floats. Continue reading