The reproductive biology of Pellonula afzeliusi Johnels, and Sierrathrissa leonensis thys Audenaerde in Lake Kainji, Nigeria

An account is given of some aspects of the biology of Tilapia mossambica Peters in Lake Sibaya, South Africa. Lake Sibaya is a warm shallow coastal lake with extensive shallow terraces in the littoral which shelve abrup…

The biology of filter feeding teleosts in Lake St Lucia, Zululand

The biology of filter feeding teleosts in St Lucia, was studied for two years from 1976 to 1978. The three common species, Gilchristella aestuarius, Hilsa kelee and Thryssa vitrirostris were studied with the composition…

The biology of the West African shad <i>Ethmalosa fimbriata (Bowdich)</i> in the Lagos Lagoon, Nigeria

The biology of the population of Ethmalosa fimbriata occurring in the Lagos lagoon was investigated. Three size groups, 35–69 mm (Yoyo), 70–169 mm (Efolo) and 170 mm and above (Agbodo) occur in the lagoon and the spatia…

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