Polymorphic characters of Tilapia zilii
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Jonathan Chervinski
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Article
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1967
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Springer
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English
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## Introduction Tilapia zillii has a wide distribution in lakes and rivers of Africa (BOULENGER, 1951) . In certain areas in Africa, especially in Congo, Tilapia zillii is the most abundant species, being kept also in ponds (HUET, 1957) . In Israel, Tilapia zillii is one of four species of Tilapia