Distribution and biology of the monkey goby <i>Neogobius fluvialis</i>, Pallas (Gobiidae, Perciformes) in the Kerch Strait in 2011-2013
Length and weight composition, sex ratio, spawning data and qualitative feed composition are given for the monkey goby Neogobius fluvialis, Pallas of t he Kerch Strait for 2011-2013. The materials were collected in the different areas of the Kerch Strait during spring and summer seasons (April-September) of 2011-2013. The total number of 620 specimens were sampled and analyzed. The research indicated that in the given area the monkey goby is aggregated in the central part of the strait in the areas with sandy and shell-limestone ground at depths up to 4 m. In the Kerch Strait, maximal length and weight of the monkey goby are 14.5 cm and 59.3 g, respectively, and the maximal age is 4 years. Males prevail in the sex ratio of the monkey goby in the studied are a. Bivalve molluscs are the main feeding objects for the monkey goby in the Kerch Strait.