In aquariums you can keep any fish. You can catch in the river or in the sea live, intact fish, a carp or a shark, and place it in a suitable container. If to create conditions close to natural, the fish will live to swim, maybe even to reproduce. But traditionally in freshwater aquariums keeping a relatively limited number of species of fish that are best adapted to life behind the glass.
Characins: Neons, neon red, neon black, neon green, Pulcheria, minor, Tetra von Rio, eritrozonus, lemon Tetra, conventional ornatus, ornatus red (phantom), ornatus black, diamond Tetra, ternary, coin, red-nosed Tetra, glass Tetra, pristella, Philomena, flashlight, Royal Tetra, Kerry inpaint, tetragonopterin, Congo blue, red nannostomus, poecilobrium, nannostomus marginatus, Congo yellow, distichum krasnolesnyy, hilodus, piranha, macherot. Continue reading
Under the collective name of soma mean — more than 2,000 species of baleen variety of fishes from 31 families. Most of them inhabit freshwater reservoirs 5 continents (only 1% of marine residents). Only in the rivers and lakes of South America is home to about 1000 species. often the body of the fish is covered with bony plates, or protected by spikes. Thanks to the auxiliary respiratory organs (skin, outgrowths of the Gill bars, etc.) soma is not drawoutline to oxygen. They are predominantly benthic lifestyle returnee also be armed and at night.
Ordinary som belongs to a 5-meter high giants, and a parasitic catfish no larger than 2.5 cm Elektroniskie soma can cause significant shocks, and castkova, kilbowie, etc. the vibration fins, swim bladder, etc. can make sounds. Attached to the bottom substrate by using the suction cups loricaria. security, etc. are held in swift current And blind Satan, Trogloglanis (South America) and Ugittflanis (Africa) settled deep underground in caves and artesian basins. Among them are quite transparent glass Physailia catfish, Tandanus, Parailia and others). Continue reading
Sharks are found in open and coastal ocean waters. These mysterious creatures appeared on Earth 400 million barrels. years ago. Belong to cartilaginous fish. as their skeleton consists of cartilage. Cartilage is durable, and unlike the bones of fish, more flexible and light. They have no swim bladder. Afloat fish holds, thanks to its large but lightweight the liver. Her need to constantly move in order not to drown.
She swims, arching his whole body from side to side. Almost all of them when hunting using the electric field. Sharks capture him with the help of numerous electrical sensors that are on her face.
Many of them, it is not strange, they eat plankton. Plankton is a conglomeration of various microscopic and small organisms. Mainly unicellular plankton contains algae, which absorb solar energy, thereby transforming inorganic substances into organic food. Continue reading