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Language: Russian with English abstract
This monograph is devoted to original data on morphology and technological aspects of the Sandbar shark's skin. The brief biological characteristics of the species, its distribution area and dynamics of the catch volume are given. The features of histological structure of the skin and placoid scales are described. Also, architectural peculiarities of the collagen stroma of the skin are marked. Morphometrical indexes of the data together with the qualimetric analysis of the assessment of the degree of variability of studied parameters are presented. The relief of crowns of placoid scales is described, and these data may be used for taxonomical identification as these species-specific features have diagnostic value. The study of some commodity and technological characteristics of the Sandbar shark's skin allows the authors to outline the purpose of this raw material in the leather industry.