Story highlights Experienced fisherman jumped into the harbor to spear the swordfish

Its long, distinctive bill is used to slash prey

(CNN) A boat captain is dead after being speared by a swordfish in Hawaii.

Randy Llanes, 47, was killed Friday while trying to catch the swordfish with a spear gun, according to the Hawaii Police Department.

Llanes, who runs a deep sea fishing charter, jumped in the water at Honokohau Harbor on the Big Island after spotting the broadbill swordfish.

After being hit with the spear that Llanes fired off, the fish "thrashed about, leaving a puncture wound to his upper chest," said Lt. William Souther.

Another official, acting Sgt. David Matsushima of the Kona Patrol, told CNN affiliate KHON that "the fish got wrapped around a mooring anchor, came back and swam at him."

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