Did you know a marlin is not a swordfish and a swordfish is not a billfish? Though these animals look similar, they aren't classified in the same family! Swordfish have some key differences that set them apart from other billfish (who are also commonly known as marlins). Of course, it wouldn't be easy to confuse the two if there weren't also some similarities between these two iconic fish groups! Scientific Name: marlin/billfish: Family - Istiophoridae swordfish: Family - Xiphiidae Range: worldwide marine waters except polar regions Size: up to 1,500 pounds (680kg) Diet: mostly fish Lifespan: 10+ years (though may not live this long) ✨ Animal Fact Files Patreon Supporters get early access to videos, get their video requests moved to the top of our request list, and more! ✨ 👉 https://www.patreon.com/animalfactfiles You can learn more on: Twitter - https://twitter.com/animalfactfiles Facebook - https://facebook.com/animalfactfiles --- Image and Video Credits: Salty Rednecks - https: