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  • Tonic immobility in two species of Southern African catsharks 

    Sebastian, Lemόne Margeaux (University of Western Cape, 2020)
    Tonic immobility (TI) can be defined as an unlearned behavioural response described by a physical state of immobility. This behaviour can last from a few seconds up to several hours. Tonic immobility in sharks has not been ...