Sailfish, belonging to the family Sailfish of the suborder Scombroid (or "Perciformes"), also known as banana fish, is a tropical and subtropical ocean fish in the Pacific. It is recognized as a short-distance swimmer. The fastest fish. Sailfish are produced throughout the year, and the common ones on the market include umbrella swordfish (banana swordfish), standing-wing swordfish (white swordfish), black-skin swordfish (black swordfish), and red-fleshed swordfish.

Kingdom: Animalia Animalia Phylum: Chordata Class: Actinopterygii Order: Perciformes Family: Sailfish Genus: Sailfish

Latin literary name ：Histiophorus orientalis English name: Sailfish

Sailfish picture collection (16 photos) Order (Perciformes) Sailfish family (Istiophoridae) Sailfish genus (Istiophorus) is an important food fish and sport fish, distributed in Hot and temperate seas around the world. The snout extends into an oblong, spear-like shape. It differs from closely related species such as marlin in that the body is slender, the pelvic fins are long, and the dorsal fin in particular is as wide as a sail. The body is dark blue, the ventral side is silvery white, and the dorsal fin is bright blue with spots. It is about 3.4 meters (11 feet) long and weighs about 90 kilograms (200 pounds) or more. Mainly feeds on other fish. The classification of swordfish has not yet been determined, and it can be regarded as one species I. platypterus or several species. Sailfish, also known as banana fish. The general body length is 2000 to 3000 mm. It is a tropical and subtropical oceanic fish in the Pacific Ocean. Distributed from Indonesia to the central Pacific islands, north to southern Japan. China is produced in the South China Sea Islands, Taiwan waters, Guangdong, Fujian, Zhejiang, Jiangsu, Shandong and other coastal areas. Sailfish is cylindrical, slightly flattened laterally; its dorsal and ventral edges are blunt and straight. The tip of the snout is long and spear-shaped. Eyes small, lateral position. The eyes are wide and evenly spaced. The mouth cleft is large and nearly straight; the premaxilla and nasal bones extend forward to form a gun-shaped snout, which is longer than the lower jaw, and the maxilla extends backward to the bottom of the posterior edge of the eye. The body is covered with needle-like scales. The lateral line is complete, gradually curves downward above the pectoral fin and then extends straight to the tail. The caudal fin is deeply forked. The head and dorsal side of the body are bluish-blue, with horizontal gray-white round spots arranged horizontally on the dorsal side. The abdomen is silvery-white. The fins are blue-black except for the gray anal fin. The fin membrane of the first dorsal fin is densely covered with black round spots. Feeds on molluscs such as small fish and squid.

The body shape is similar to that of a moon fish, but its back and abdomen are wide, and its tail peduncle is also wide. The snout of the head is blunt and rounded. The outer edge of the caudal fin is straight. The dorsal fin is larger than the anal fin, and the edges of the dorsal and anal fins are curved. The body color is changeable, ranging from red, light yellow, blue, purple, etc., some are dark or light, some are bluish or reddish, and the upper jaw protrudes forward like a sword. The green-brown body is studded with gray-white spots. These round spots are arranged in vertical rows and look like dot lines. The first dorsal fin of the swordfish is long and tall, with a concave upper edge at the front end. When they are spread vertically, they look like a sail raised on a ship or like flags being pulled. That's why people call it swordfish.