Age, growth and mortality are very important parameters for rational exploitation and management of the fish population.  Age, growth, mortality and exploitation rates were studied to assess the current status of the redspot emperor Lethrinus lentjan stock in the Egyptian sector of Red Sea. The study was based on a total of 943 specimens that collected during 2014 and 2015 with total length range of 11.5 to 50.7 cm. Results showed that, the maximum life span of L. lentjan in the Egyptian Red Sea was 6 years and age group one is the most frequent one forming up to 54% of the total catch. L. lentjan attains its highest growth in length at the end of the first year of life (24.45 cm) after which the annual increment in length decreases gradually with the further increase in age. The b-value of length-weight relationship was estimated at 3.03 indicating a tendency towards isometric growth. The composite coefficient "k_c" and the relative condition factor "K_n" were fluctuated according to different fish length groups and months. The length at first capture was L_c = 20.11 cm with corresponding age T_c = 0.58 year. The total mortality of L. lentjan (Z= 1.52/yr), natural mortality (M = 0.35/yr) and fishing mortality (F = 1.17/yr) were lead to an exploitation ratio of E = 0.77.  The high values of both F and E are reflecting the high level of exploitation of this species in the Egyptian Red Sea waters.