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… These species have been used for agriculture, forestry, fishing, ornamental and recreational purposes. Of- ten, … into aquatic ecosystems for com- mercial or sport fishing to augment wild popula- tions. In South Africa, 41 … authorisation – usually in the form of a per- mit or licence – from the relevant authority or agency. Under a …

… to demonstrate their safety and efficacy and achieve a licence for their use in wild hosts. Even domestic animal … to human activity by prohibiting diving, snorkelling and fishing for a period of time. Managers should make every … & humans None Economic importance The revenue earned from fishing, tourism, recreation, education and research …