| Summary: | Annual Meeting of the International Commission for Northwest Atlantic Fisheries (ICNAF), june 1963.-- 12 pages, 7 figures, 6 tables This paper deals with the results of the study on age and growth of cod (Gadus morhua) caught by spanish trawlers in the ICNAF area in 1962. Results of sex ratio and age at first maturity are also given, as well as comparative evolution of growth and dominance of year classes in the divisions best known from samples so far studied. Material, whose characteristics are given further on, has been supplied by the Dirección General de Pesca Maritima through the secretary of the scientifical-fishing study board, D. Olegario Rodríguez Martín, and was collected by the observer D. Tomás García Leston on board trawlers of the firm PYSBE (Pesquerías y Secaderos de Bacaleo de España, A. A.). We are most pleased to thank them all with these lines
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