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The sailfish is one or two species of marine fish in the genus Istiophorus, which belong to the family Istiophoridae . 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.
The Indo-Pacific sailfish (Istiophorus platypterus) is a sailfish native to the Indian and Pacific Oceans and is naturalized in the Atlantic where it has entered the Mediterranean Sea via the Suez Canal as a Lessepsian migrant. [3]
The Atlantic sailfish (Istiophorus albicans) is a species of marine fish in the family Istiophoridae of the order Istiophoriformes. It is found in the Atlantic Ocean and the Caribbean Sea , except for large areas of the central North Atlantic and the central South Atlantic , from the surface to depths of 200 m (656 ft).
The Sailfish sailboat is a small, hollow body, board-boat style sailing dinghy. The design is a shallow draft , sit-upon hull carrying a lateen rigged sail mounted to an un- stayed mast . This style sailboat is sometimes referred to as a "wet boat" because, with its minimal freeboard , the sailor often gets splashed by spray as the boat moves ...
Other common names include bone shark, elephant shark, sailfish, and sunfish. The basking shark is a cosmopolitan migratory species found in all the world's temperate oceans. A slow-moving filter feeder, its common name derives from its habit of feeding at the surface, appearing to be basking in the warmer water there.
Large retractable dorsal fin of the Indo-Pacific sailfish, possibly used for cooling (thermoregulation). The thresher shark uses its very elongated caudal fin to stun prey. Species of tripod fish Bathypterois have elongated pectoral and pelvic fins, and an elongated caudal fin, which allow them to move and perch on the ocean floor.
For example, the Atlantic catch of blue marlin declined in the 1960s. This was accompanied by an increase in sailfish catch. The sailfish catch then declined from the end of the 1970s to the end of the 1980s, compensated by an increase in swordfish catch. As a result, overall billfish catches remained fairly stable. [66]
Sailfish raise them if they want to herd a school of small fish, and after periods of high activity, presumably to cool down. [ 4 ] [ 5 ] The great white shark 's dorsal fin contains stabilizing dermal fibers that stiffen dynamically as it swims faster, helping it to control roll and yaw.