An attempt was made to create information images of amphibian basins using artificial categorization on the base of their morphmetrical characteristics and first of all the area of the basin Sn and its form approximated by element geometrical figures (triangular, band, ellipse, semicircle, sircle).

On the basis of hydrological and hydrochemical, benthos and ichthyological survey, the modern condition of separate elements of Alexandrovskaya Bay was considered.