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Lateral line of a fish

The lateral line of fishes represents as though transition between sensory and acoustical body, and in some cases replaces to a fish and sight. It, in essence, thin small canal which passes under a leather on each side bodies of a fish, from a head up to a tail. On a head the lateral line branches, passes above an eye and under an eye in a direction to gills and the bottom jaw. The small channel is connected with the Wednesday, a surrounding fish, by means of the smallest apertures which outgoing through fish-scales and on a leather of a fish represent viewable to an appreciable continuous line.The small channel is filled by jellylike weight in which the sensitive cells connected by means of a nervous fibre with a brain lay. Sensitive cells sensitively react to very weak movement of jellylike weight and by means of nervous fibres transfer this impulse in a brain. Hence, the lateral line allows fishes to be guided very precisely. By means of its fish sensitively react to rather weak excitement of water, register a direction and speed of current, depth of water, presence of various subjects at water, are guided at night, in muddy water and etc. Item