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Ikejime (活け締め) or Ikijime (活き締め) is a humane method of killing fish to maintain the quality of its meat. The technique originated in Japan, but is now in widespread use. It involves the insertion of a spike quickly and directly into the hindbrain, usually located slightly behind and above the eye, thereby causing immediate brain death. When spiked correctly, the fish fins flare and the fish relaxes, immediately ceasing all motion. Destroying the brain and the spinal cord of the fish will prevent reflex action from happening; such muscle movements would otherwise consume adenosine triphosphate (ATP) in the muscle, and as a result produce lactic acid and ammonia, making the fish sour, soggy and less tasteful. Furthermore, the blood contained in the fish flesh retracts to the gut cavity, which produces a better coloured and flavoured fillet, and prolongs shelf life. This method is considered to be the fastest and most humane method of killing fish. Ikejime-killed fish is sought-after by restaurants as it also allows the fish to develop more umami when aged.

Repurposed wood from spearguns made from Ironwood and Sungkai. This wood has already lived a salty dog life and speared more fish than your grandpa! A few wounded soldiers have been reassigned to play a different Ikejime your fish & ensure you get the highest quality meat! 


Rich redish brown color. Ulin wood or Iron Wood is one of the most powerful and hard wood in Indonesia. Ironwood best quality comes from Kalimantan. This wood is very heavy, hard, and resistant to weather, so it’s great for use in outdoors / exterior wood products perfect for the Ikejime!


Light blonde color that contrasts well with the Ironwood. Sungkai wood texture is fairly smooth, beautiful fiber and pale yellow. Sungkai wood is often used as a decorative element. Including wood with Class III and Class Durable Strong II, III. 

Lanyard bungee to wrap around your wrist or your weight belt. 

Handcrafted in USA. 




Blue Tuna Spearfishing

Please note that Freediving and spearfishing are inherently dangerous sports and should only be undertaken by experienced, well-trained divers. More powerful spearguns must be fired with two hands and a locked elbow to prevent injury from excess recoil. Do not load or unload your speargun out of the water, treat every speargun as if it were loaded. Never point your speargun at anything you do not intend to shoot. Before you begin your dive, be sure to check all your gear. You should never dive alone and your equipment should be serviced regularly. You should always plan your dive and dive your plan. You should discuss safety precautions, your plan, and contingency plans with everyone onboard BEFORE you dive. Communication among divers and operators is imperative. Failure to adhere to these guidelines could potentially result in physical harm or death.  Blue Tuna Spearfishing is not responsible for any loss, damage, harm, or death caused by using any of our products.

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