There are many different species of aquarium fish and when selecting an important principle is their compatibility. To pay attention to this important point should be before purchasing the fish and putting them all in one aquarium. The main criterion in the decision of this question is the similarity of habitat of various fish species. In an aquarium you can put fish that are close in their vital needs, habitat, habits and temperament. For example, consider that harasimovich fish you can’t repopulate with silovymi, as the latter significantly more aggressive than the first. In addition, most of the Cichlidae fish lives in an alkaline environment, not acidic.
Known fact that to accommodate the aquarium and freshwater and marine fish is unacceptable. Novice aquarists often make many mistakes due to misinterpretation of the level of water hardness and acid-base balance a variety of freshwater biotopes. Continue reading
Underwater world and its inhabitants (underwater civilization that exists parallel to ours) – Earth before the flood: disappeared continents and civilizations
From legend to reality — one step. Underwater civilization in the legends, stories and eyewitness accounts
After the disasters. destroyed the majority lived on the earth reasonable creatures, that they, apparently, long been the main driving force of evolution and progress. Judging by the preserved fragments of the “History of Babylon” the Babylonian priest and historian Beros, who lived in IV—III centuries BC nevative and annedoti have been very supportive and people and taught them the basics of civilization: writing, science, building cities and temples, agriculture, metal processing etc. They come out from under the water under the reign of different “Babel”, “the Assyrian” and “Chaldean” kings. Their contacts with people, according to the testimony of the ancient Greek philosopher Apollodorus (about B. C. 180 — after 120 BC) and disciple of Aristotle Abiden, lasted for 432 thousands of years. Continue reading
GLASS CATFISH (Indian glass catfish, Kryptopterus bicirrhis; Cuvier et Valenciennes) — in length reaches 10 cm Its second name — som-Ghost — fish received for the transparency of his body. Visible skeleton and all internal organs. Body strongly elongate and flattened laterally. The dorsal fin is extremely small and is located immediately behind the head; below the head is deeply cut almost to the caudal fin extends continuously oscillating, crystal clear anal fin. In the reflected light of the fish glisten all colors of the rainbow, at the same time, remaining so transparent that through them are visible for the fish items.
In addition to transparency, the glass catfish is distinguished by a long anal fin, a pair of long antennae on the upper jaw, small dorsal fin (from one beam) and the position of the head body to the surface.
Glass catfish (Kryptopterus bicirrhis Cuvier u. Valenciennes) lives in South-East Asia, the Great Sunda Islands, Java, Sumatra and Borneo. Continue reading