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A speargun is an underwater fishing tool designed to launch a tethered short spear at a fish or other marine animal (e.g. a lobster). The most popular spearguns are elastically powered by natural latex rubber bands like a slingshot , while pneumatic powered spearguns are also used, but are less powerful.
Speargun Speargun in use by a diver. A speargun is a ranged underwater fishing device designed to launch a tethered spear or harpoon to impale fish or other marine animals and targets. Spearguns are used in sport fishing and underwater target shooting. The two basic types are pneumatic and elastic (powered by rubber bands). Spear types come in ...
A device ostensibly designed for submarine spear fishing, but capable of chambering and firing .22 caliber rimfire ammunition, is a firearm within the purview of the National Firearms Act. However, such device, if permanently attached to the speargun shaft by the manufacturer, would not be a firearm. —
Inuit hunter with harpoon in Kayak, Hudson Bay, c. 1908–1914 Unaaq ᐅᓈᖅ, a harpoon used by Inuit, 172 cm (68 in; 5.64 ft) long, MHNT. A harpoon is a long, spear-like projectile used in fishing, whaling, sealing, and other hunting to shoot, kill, and capture large fish or marine mammals such as seals, sea cows, and whales.
Spear-armed hoplite from Greco-Persian Wars. A spear is a polearm consisting of a shaft, usually of wood, with a pointed head.The head may be simply the sharpened end of the shaft itself, as is the case with fire hardened spears, or it may be made of a more durable material fastened to the shaft, such as bone, flint, obsidian, copper, bronze, iron, or steel.
Supercavitating ammunition that functions better underwater has been developed by Defence & Security Group (DSG), a Norwegian company. The Multi-Environment Ammunition (MEA) series supercavitating rifle ammunition, developed and marketed by DSG, is anticipated to be useful for certain special operations, including underwater warfare.
Harpoon cannon outside of the Scott Polar Research Institute in Cambridge.. A harpoon cannon is a whaling implement developed in the late 19th century and most used in the 20th century.
Polespear under tension with a cluster head attached. A polespear (hand spear or gidgee) is an underwater tool used in spearfishing, consisting of a pole, a spear tip, and a rubber loop.