Xiphias gladius, commonly known as the swordfish, is a large, highly migratory fish renowned for its long, flat bill resembling a sword. It inhabits tropical and temperate oceans and is recognizable by its robust, streamlined body that allows for swift movement. Swordfish are apex predators, feeding on smaller fish and squid. They are known for their incredible speed and agility in the water.

Xiphias gladius, commonly known as the swordfish, is native to the Atlantic, Pacific, and Indian Oceans. It is found in both tropical and temperate waters and is distributed widely across these oceans, including areas such as the Mediterranean Sea and the Gulf of Mexico.

Swordfish inhabit a range of oceanic habitats and are typically found in open waters. They prefer warmer surface waters but are known to dive to depths of up to 2,000 meters in search of prey. The species is highly migratory and can be found in regions with surface temperatures ranging from 18°C to 22°C, although they can tolerate a broader range of temperatures during deep dives.

Swordfish occupy the ecological niche of apex predator in their oceanic environments. They primarily feed on smaller fish and cephalopods, such as squid, using their long, sword-like bill to slash through schools of prey. This species plays a crucial role in maintaining the balance of the marine ecosystem by controlling the populations of their prey species.