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vol-2STUDIES ON TILAPIA N1LOTICA FROM LAKE NASSER
I. Macroscopic Cbaracters Of Gonads
By
A.F.A. LATIF
Institute of Oceanography and Fisheries
M. M. Rashid
Lake Nasser Development Centre
I. INTRODUCTION
Lake Nasser is being formed on the construction of the High Dam in southern part of the United Arab Republic as a man-made lake. Its length is 500
km., of which about 350 extends in this country, with an average width of 10
km. Data available showed that fish production has progressively increased
since 1966. The lake is inhabited by a number of species of which about 15 are
of economic importance. Tilapia nilotica is the main species produced and in
fact it alone comprises more than half of the fish consumed as fresh. The present work represents a contribution in our knowledge in the Biology of this important fish.
