Abstract
Azov shad ( Alosa tanaica , Grimm 1901) is a marine anadromous species, which migrates for spawning from sea into fresh water lakes and rivers. It winters in the sea and appears close to shore in spring when the water temperature reaches the value of approximately 6 degrees Celsius. The paper presents the biological parameters such as length and weight class structure, age, sex ratio and degree of maturation of the commercial fish Azov shad belonging to the family Clupeidae . The investigations were performed during 2014 on fish caught along the entire Romanian coast from Sulina to Vama Veche. The study of the behaviour of Azov shad (reproduction, migration, feeding) is important to understand the impact on populations and to find sustainable solutions to manage these aspects. The preference for certain areas of distribution, for feeding and breeding was determined by analysing samples collected by passive fishing (shad gillnets set in all fishing points across the Romanian Coast). The main aim of this research is to identify the current state of Azov shad population along the Black Sea Coast considering that its biology and conservation are less known. Â
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Schedule a callMore From: Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca. Animal Science and Biotechnologies
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