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Cowley, Paul D, Heemstra, Phillip C. J.L.B. Smith Institute of Ichthyology, Rhodes University, Grahamstown, South Africa; . Ichthyofaunal characteristics of a typical temporarily open/closed estuary on the southeast coast of South Africa.
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Childs, Amber-Robyn, Cowley, Paul D, Næsje, T F, Booth, Anthony J, Potts, Warren M, Thorstad, Eva B, Økland, F. Estuarine use by spotted grunter Pomadasys commersonnii in a South African estuary, as determined by acoustic telemetry. 2010.