Experiments carried out with a Snodgrass gnathodynamometer (shark-bite meter) at the Lerner Marine Laboratory in Bimini, Bahamas revealed that a 2m 6ft 6 ¾ in long dusky shark (Carcharhinus obscurus) could exert a force of 60 kg/132 lb between its jaws. This is equivalent to a pressuure of 3 tonnes/cm² or 19.6 tons/in² at the tips of the teeth.
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