D. Buhalova1, Kr. Nikolova2*, Il. Milkova-Tomova1, I. Alexieva1, A. Gerasimova3, G. Gentscheva4, P. Dimitrova1 1Department of Nutrition and Tourism, University of Food Technologies, 26 Maritza Boulevard, 4020 Plovdiv 2Department of Physics and Biophysics, Medical University-Varna, 84

M. Gevezova-Kazakova*, M. Yankova, T. Hubenova, A. Zaikov, G. Rusenov Institute of Fisheries and Aquaculture, 4003, Plovdiv, Bulgaria (Manuscript received 29 May 2017; accepted for publication 29 July 2017) Abstract. The aim of this study is to examine the size selectivity of the pike

R. Bekova, G. Raikova-Petrova, D. Gerdzhikov, E. Petrova, V. Vachkova, D. Klisarova Abstract. For the present paper 35 specimens of sea mullet (Mugil cephalus) from different age groups were investigated. The material was collected between May 2010 – September 2011 along the coast, th