Bindigar harpoon wani makami ne na musamman da aka yi amfani da shi don harba garaya, nau'in mashi, ga manyan dabbobin ruwa kamar su whales, sharks, ko like, don farauta ko bincike na kimiyya. Bindigan harpoon yawanci ana ɗora shi ne da garaya, wanda ke makale da layi ko igiya, kuma idan aka harba, garaya ya ratsa jikin dabbar ya ajiye ta a cikin jirgin ruwa ko kuma a bulo. Ana amfani da bindigogin Harpoon sau da yawa a cikin kasuwancin kifin kifi ko masana'antar kamun kifi, da kuma a wasu nau'ikan binciken ruwa.