Spearfishing can have many risks, including overly inquisitive or aggressive sharks. Sharks are part of a healthy ecosystem and will likely be in the same habitats and hunting the same prey as recreational speros. In rare instances, ISAF has recorded spearfishers being rushed suddenly by sharks. This is likely a form of territory defense. The majority of spearfishing incidents reported involve the shark investigating the person for several minutes. The vibrations and blood of a speared fish may

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