1) It lives in water and breathes through gills.
2) It has a backbone (it is a vertebrate).
3) It has a body covered in scales.
4) It has fins for swimming.
5) It lays eggs that hatch into larvae that develop into adult fish.
Swordfish are a type of bony fish, which means that their skeletons are made of bone rather than cartilage. They are also a type of ray-finned fish, which means that their fins are supported by bony rays rather than fleshy lobes.
Swordfish are found in warm oceans around the world. They are predators that feed on other fish, squid, and crustaceans. Swordfish are known for their long, flat bills, which they use to slash at their prey. They can grow up to 14 feet long and weigh over 1,000 pounds.
Swordfish are an important commercial fish. They are caught for their meat, which is considered to be a delicacy. Swordfish is also used in traditional medicine.