Anti-piracy measures at sea have come a long way since then, with several powerful non-lethal weapons to fight pirates at sea introduced on ships to prevent piracy attacks. Merchant ships now plying in high piracy affected areas such as Gulf of Aden (GOA) carry Armed Guards along with a series of non-lethal weaponry and anti piracy measures at sea to thwart any kind of piracy attempt. Mentioned herein is a list of non-lethal anti-piracy weapons that are used or can be used to fight piracy at high seas.. 1. Long Range Acoustic Device (LRAD) 2. Anti-Piracy Laser Device 3. Water Cannon 4. Electric Secure Fence 5. Nets – Boat Traps 6. Slippery Foam – Mobile Denial System 7. Foul Smelling liquid – Liquid Deterrent System ( or using Stun Gun) 8. Anti boarding device – Razor Wire Canister 9. Compressed Air – Ship Bourne Shore Launcher 10. P Trap Anti Piracy 11. Anti Piracy Curtain 12. Non-lethal / Stun Grenade 13. Dazzle Gun 14. Rubber Ball Grenade 15. Active Denial System – Pain Ray (Electromagnetic wave) 16. Anti-Piracy Fire Hoses 17. Molotov Cocktail 18. Tasers – Electric Shock