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The Som class (Russian: Сом, lit. 'catfish') were a series of submarines built for the Imperial Russian Navy in 1904–1907. They were designed by the Electric Boat Company and ordered in the 1904 emergency programme at the time of the Russo-Japanese War.
This catfish is visually similar to the closely related Wels catfish. Soldatov's catfish has a large flat head. Its mouth is blunt and rounded, the upper jaw shorter than the lower jaw. Barbels are located on the upper jaw and chin. It has the following formula fins: dorsal six soft rays, anal 83–90 soft rays.
Even larger specimens have been caught in Poland (2,61 m 109 kg), the Czech Republic (2,64 m [4]), the former Soviet states (the Dnieper River in Ukraine, the Volga River in Russia and the Ili River in Kazakhstan), France, Spain (in the Ebro), Italy (in the Po and Arno), Serbia (in Gruža Lake, where a 2.4 m (7 ft 10 in) long specimen weighing ...
This entire family is mostly endemic to Russia, where it found in Lake Baikal and surrounding lakes and rivers. Batrachocottus. Batrachocottus baicalensis — Bighead sculpin; Batrachocottus multiradiatus; Batrachocottus nikolskii — Fat sculpin; Batrachocottus talievi; Cottocomephorus. Cottocomephorus alexandrae
Catfish (or catfishes; order Siluriformes / s ɪ ˈ lj ʊər ɪ f ɔːr m iː z / or Nematognathi) are a diverse group of ray-finned fish.Named for their prominent barbels, which resemble a cat's whiskers, catfish range in size and behavior from the three largest species alive, the Mekong giant catfish from Southeast Asia, the wels catfish of Eurasia, and the piraíba of South America, to ...
Silurus meridionalis, the Yangtze catfish, is a species of catfish found in Asia in the middle Yangtze River basin, China. [2] Description.
The freshwater and marine Fish which are native—indigenous to Russia and its adjacent oceans and seas, in Europe and Asia. When the distribution range in Russia is known please also use Category: Fish of Europe and/or Category: Fish of East Asia .
Siluridae is the nominate family of catfishes in the order Siluriformes. About 105 living species of silurids are placed in 12 [1] or 14 [3] genera.. Although silurids occur across much of Europe and Asia, they are most diverse in Southeast Asia, beyond which their diversity decreases in temperate East Asia, the Indian subcontinent, Southwest Asia, and Europe.