The illumination of the sea. In the Black sea there is a sparkling glow due to the outbreaks of small and microscopic marine organisms (nochesvetka, peritonei) and representing a single same color sparks. The intensity increases with excitement, the passage of a vessel, etc. Sparkling luminescence is usually observed in summer and autumn. It is particularly intense in the coastal zone.
Flowering sea due to the massive accumulation of planktonic (usually vegetable, but sometimes animals) organisms in surface water. At flowering significantly reduced water clarity and change its color; water becomes yellow, brown or reddish tint. In this area the algal blooms observed mainly in the northwestern part of the sea, as well as in gulfs and bays. It is possible throughout the year, but most likely from February to may.
Algae. In the Black sea is particularly prevalent red algae — Phyllophora that forms in the northwestern part of the sea at depths of 20-60 m huge bushes. From other algae it should be noted diatoms, perogitive, blue-green and brown. In the bays, estuaries, lagoons and bays at depths of usually not more than 10-12 meters often found in the Zostera, or sea grass. Continue reading
Fans of the aquarium there is an almost limitless choice — from goldfish, the most famous of all our domestic aquatic animals, the magnificent species of fish of the tropical seas.
It is important not to settle in one aquarium incompatible species, but not to fall into the trap of smugglers, illegally importing protected species.
Fresh-water fish. Novice aquarists are advised to give preference to freshwater fish. Their breeding is much easier and cheaper, for them it is interesting to observe, finally, they look nice.
It is necessary to distinguish freshwater fish living in cold water and tropical freshwater species. First, not too many and less scenic, mostly belong to the family Cyprinidae. Among them there are varieties of gold fish (goldfish, fish-comet, Valuehost, known for its beautiful tail, fish-telescope, etc.). River fish (roach, perch, carp, bleak, minnow, gudgeon) well klimatiserede in the aquarium. Continue reading