Morphological characteristics of Perca fluviatilis (Linnaeus, 1758) of the Dnieper-Bug delta system
Journal Title: «Таврійський науковий вісник» - Year 2017, Vol 97, Issue
Abstract
The article presents a description of the main morphological characters of a representative of native predatory fish fauna of the Dnieper-Bug delta system - perch - Perca fluviatilis (Linnaeus, 1758). The results showed that among the 22 analyzed plastic characters, compared with similar data of forty years ago, a mathematically significant difference exists in the overwhelming majority of indicators. The most significant difference is marked in the length of the head, the lowest height and maximum thickness of the body - Student’s t-criterion was within td = 10.39-18.76 at a significance level of p <0.05.
Authors and Affiliations
К. М. Гейна
Keywords
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