| http://www.w3.org/ns/prov#value | - Some sharks can be induced into tonic immobility by inverting them and restraining them by hand, e.g. dogfish sharks, lemon sharks and reef sharks[disambiguation needed].[2][3][4][5] For tiger sharks (measuring 3???4 metres in length), tonic immobility can be induced by humans placing their hands lightly on the sides of the animal's snout in the area surrounding the eyes.
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