length: 100 cm; weight: 15 kg; production season: extracted for research purposes only
Live croakers live mainly in tropical and subtropical zones of the basins of the Atlantic, Pacific and Indian oceans, and only a few representatives of the family occur in temperate regions. There are no croakers live in the Red sea, the Seychelles Islands, in Melanesia, Micronesia, Polynesia and in the Azores. In the waters of Bermuda are inhabited only by a single species. At the same time two species Sciaena umbra and Umbrina penetrated through the Mediterranean sea and the Marmara sea in inland low-salinity seas – Black and Azov.
Croaker largemouth – marine fish squad okuneobraznyh. Continue reading
Catfish has a long body with rounded front, compressed laterally, and with a rear-naked with a large number of mucous glands and soft skin. Large fish head compressed, the eyes are small and close to the occipital part.
The catfish has a big mouth. the lower jaw exceeds the upper in length and slightly curled up. On the jaws there is a huge amount metkovich teeth. Is a pair of long whiskers on the upper lip, two pairs of short – on the chin.
Body colour black catfish on your back turns into dirty white on the belly. There is a small feature, the slower the flow in the habitat of the fish, the darker its color.
Another characteristic feature of the soma can be called the dorsal fin. It is very short and rather strongly shifted to the head. In most reservoirs the size of the fish up to five feet in length with a weight up to fifty pounds.
The soma area in Russia serve as basins of the Neva (Ladoga, Ilmenite and lake Onega), Kuban, Dnieper, Terek, don, Ural and Volga. This fish cannot be found in Levitanovskoy the pool and in the upper reaches of the rivers. Continue reading
Today discovered and described about 30 thousand species of fish . Some of them can boast of such unusual appearance that it is hard to believe that it is really fish. Some other representatives of these aquatic vertebrates are so rare that they know very little.
The most unusual and rare fishes are often found at great depths (sometimes 300-500 meters under water) and never rise close to the surface. Underwater world conceals many mysteries, many of which have yet to be disclosed .
Blind fish, rock-climbing
Gross sticky lower surface of its large fins allows the fish to climb slippery rocks and held them in conditions of fast currents and even scrambling under waterfalls !
Catfish that lives without water
Donnadoobie from the group of sea devils have a very long lure . which can be up to 10 times longer than the body of the fish. Interestingly, all these creatures swim upside down . but so far none of the scientists really can’t say why. Continue reading