Filiz Ozdemir, Growth and Reproductive Biology of Gobio gymnostethus (Ladiges, 1960) in Melendiz Stream, Anatolia, Turkey, Journal of Animal and Veterinary Advances, Volume 11,Issue 18, 2012, Pages 3452-3456, ISSN 1680-5593, javaa.2012.3452.3456, (https://makhillpublications.co/view-article.php?doi=javaa.2012.3452.3456) Abstract: The age and size composition, growth rate and reproductive biology of a cyprinid fish Gobio gymnostethus which is endemic species were studied in Aksaray-Melendiz Creek. The minimum and maximum fork length for female and male were 39.25-145 and 39.10-132.2 mm, respectively. Age distribution of Gobio gymnostethus populations living in Melendiz Creek ranged between 0 to VII. Sexual maturation age of Gobio gymnostethus for male and female was I year age and reproduction period of this species were April to July. Keywords: Endemic fish;Turkey;central Anatolia;growth;age;reproduction