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Spear Fishing
   
Spearfishing is a form of fishing that has been popular throughout the world for centuries. Early civilizations are familiar with the custom of spearing fish out of rivers and streams using sharpened sticks as a means of catching food.
Spearfishing today employs more modern and effective elastic- or pneumatic-powered spearguns and slings to strike the hunted fish.
Spearfishing may be done using free-diving, snorkeling, or scuba diving techniques. However, spearfishing while using SCUBA or other artificial breathing apparatus is frowned upon in some locations and is illegal in many others. Because of the belief of lack of sport in some modern spearfishing techniques, the use of mechanically-powered spearguns is outlawed in some jurisdictions.
Spearfishing in the past has been detrimental to the environment when species unafraid or unused to divers were targeted excessively. However, it is also highly selective and has extremely low amount of by-catch; therefore with education and proper regulations spearfishing can be the most ecologically sustainable form of fishing.
The very best free-diving spearfishers can hold their breath for durations of 2-4 minutes and dive to depths of 40 or even 60 meters (about 130 to 200 feet). However, dives of approximately 1 minute and 15 or 20 meters (about 50 to 70 feet) are more common for the average experienced spearfisher.
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