Istiophorus platypterus, commonly known as the Indo-Pacific Sailfish, is renowned for its speed and agility, being one of the fastest fish in the ocean. It features a distinctive sail-like dorsal fin and an elongated bill. This species thrives in warm oceanic waters and is a top predator, preying on smaller fish and cephalopods.

Istiophorus platypterus, commonly known as the sailfish, is native to the warm and temperate waters of the Atlantic and Pacific Oceans. This species is widely distributed across the world's oceans, particularly in tropical and subtropical regions. In the Atlantic Ocean, sailfish can be found from the Gulf of Mexico and the Caribbean Sea to the western coast of Africa. In the Pacific Ocean, their range extends from the western coast of North and South America to the eastern coasts of Asia and Australia.

Sailfish typically inhabit the epipelagic zone, which is the upper layer of the ocean where sunlight penetrates, facilitating rich biodiversity. They prefer water temperatures ranging from 21°C to 28°C (70°F to 82°F), which are common in tropical and subtropical regions. Sailfish are often found in open waters, but they can also be encountered near coastlines, particularly in areas with abundant food supply.

As apex predators, sailfish play a crucial role in the marine food web. They primarily feed on smaller pelagic fish such as sardines, anchovies, and mackerel, as well as cephalopods like squid. Sailfish are known for their remarkable speed and agility, which they use to catch prey. Their distinctive dorsal fin, or sail, is often raised when hunting, possibly to help corral fish or reduce drag while swimming. This adaptation highlights their specialization in fast, open-water environments.