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Swordfish. The swordfish (Xiphias gladius), also known as the broadbill[5] in some countries, are large, highly migratory predatory fish characterized by a long, flat, pointed bill. They are a popular sport fish of the billfish category, though elusive. Swordfish are elongated, round-bodied, and lose all teeth and scales by adulthood.
[107] [108] The swordfish (Xiphias gladius) can reach a maximum weight of 650 kg (1,430 lb) and length of 4.5 m (15 ft). [109] Due to heavy fishing of both species, swordfish and tuna of great sizes are increasingly rare.
Fish products have been shown to contain varying amounts of heavy metals, particularly mercury and fat-soluble pollutants from water pollution. Species of fish that are long-lived and high on the food chain, such as marlin, tuna, shark, swordfish, king mackerel and tilefish contain higher concentrations of mercury than others. [4]
A swordfish's characteristic bill gives it its name, and it can grow to more than 1,000 pounds and 170 inches long. Commercially fished swordfish are typically 50 to 200 pounds and 47 to 75 inches ...
Classification. The marlins are Istiophoriform fish, most closely related to the swordfish (which itself is the sole member of the family Xiphiidae). The carangiformes are believed to be the second-closest clade to marlins. Although previously thought to be closely related to Scombridae, genetic analysis only shows a slight relationship.
Sailfish. The sailfish is one of two species of marine fish in the genus Istiophorus, which belong to the family Istiophoridae (marlins). They are predominantly blue to gray in colour and have a characteristically large dorsal fin known as the sail, which often stretches the entire length of the back.
Atlantic blue marlin. The Atlantic blue marlin (Makaira nigricans) is a species of marlin endemic to the Atlantic Ocean. It is closely related to, and usually considered conspecific with, the Indo-Pacific blue marlin, then simply called blue marlin. Some authorities consider both species distinct.
The ocean sunfish (Mola mola), also known as the common mola, is one of the largest bony fish in the world. It is the type species of the genus Mola, and one of five extant species in the family Molidae. [6][7] It was once misidentified as the heaviest bony fish, which was actually a different and closely related species of sunfish, Mola ...