Todd Pusser / Immature Swordfish {Xaphias gladias} caught in abandoned drifting longline, Italy.

Norbert Wu / Swordfish (Xiphias gladius) worldwide, can tolerate temperatures of five degrees Celsius and dive to 650 meters, uses sword to kill prey such as squid, can grow to 14 feet and 1200 pounds, Sardinia, I...

Jeff Rotman / Diver examining hooked Swordfish {Xiphias gladius} caught on longline fishing hook, underneath boat, Cocos Island, Costa Rica, Pacific Ocean, WHS

Pete Oxford / Swordfish, Rewa River, Guyana

Jeff Rotman / Swordfish (Xaphias gladius) in open ocean. Cocos Island, Costa Rica, Pacific Ocean.

Norbert Wu / Swordfish (Xiphias gladius) worldwide, can tolerate temperatures of five degrees Celsius and dive to 650 meters, uses sword to kill prey such as squid, Sardinia, Italy, Mediterranean Sea

Norbert Wu / Swordfish (Xiphias gladius) swimming, sword used to kill prey such as squid, Mediterranean Sea, Sardinia, Italy

Norbert Wu / Swordfish (Xiphias gladius) caught in fishing net, population is threatened by overfishing, worldwide, Sardinia, Italy, Mediterranean sea

Norbert Wu / Swordfish (Xiphias gladius) worldwide, can tolerate temperatures of five degrees Celsius and dive to 650 meters, uses sword to kill prey such as squid, can grow to 14 feet and 1200 pounds, Sardinia, I...

Jeff Rotman / Swordfish {Xiphias gladius} caught on long-line fishing gear, Cocos Is, Costa Rica

Roberto Rinaldi / A tourist with his catch of the day, a swordfish (Xiphias gladius), Benguerra Island, Mozambique

Sue Flood / Swordfish on deck of fishing boat {Xaphias gladias} Venezuela