Swordfish
Related Category: Vertebrate Zoology
large food and game fish, Xiphias gladius, of the warmer Atlantic and Pacific waters, related to the sailfish.
Swordfish reach a maximum length of about 4.5 m and a maximum weight of 650 kg. Females are typically larger than males.
Swordfish are large, highly migratory, predatory fish characterized by a long, flat bill in contrast to the smooth, round bill of the marlins. Swordfish are elongate, round-bodied, and lack teeth and scales as adults.
Swordfish & Billfish
Swordfish and other billfish are hunted for food and for sport. The indiscriminate methods used to catch them also puts additional pressure on other vulnerable and endangered species such as marine turtles and tuna.
Swordfish: Xiphias gladius
Appearance:
A rather unique billfish, with a flattened bill formed from an elongated upper jaw. It has a single high dorsal fin and one keel on each side in front of the tail fin.
Swordfish (Xiphias gladius)
A fast-swimming predator, the swordfish (Xiphias gladius) gets its name from its extremely long, flat, sword-like bill, which is... More 5 Images 0 videos ...
swordfish
the shape is so typical, that everyone can recognize this fish known from the name easily: The upper jaw moved out to a flat, pointed sword, that almo...
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Pinapple Swordfish
DID YOU KNOW....
There are over 27,000 different species of fish! They are the world's most diverse group of vertebrates (animals with a backbone).
Flying fish, Swordfish (jumping, apparrently caught on a drifting long-line-the individual was too small for a legal catch and was probably going to perish in vain!), Portugese Man-O-War ...
However, his list included one fish (the swordfish) and three mammals now recognized as subspecies, leaving 41 species as now known. The present list recognizes 104 species.
The great white shark is known to live mainly on large fish such as tuna, marlin and broadbill swordfish. As well as these fast - swimming species it will also catch sluggish bottom-dwelling skates and rays.
(1) Do not eat Shark, Swordfish, King Mackerel, or Tilefish because they contain high levels of mercury.
(2) Eat up to 12 ounces (2 average meals) a week of a variety of fish and shellfish that are lower in mercury.
SUBORDER SCOMBROIDEI
snake mackerels, cutlassfishes, scabbardfishes, swordfishes, billfishes, marlins, mackerels, tunas, bonitos
SUBORDER STROMATEOIDEI
amarsipids, medusafishes, flotsamfishes, ariommatids, squaretails, butterfishes ...
Predators
Sperm whales, sharks, seals, swordfish, and marlin feed on Humboldt squid of all sizes, while gulls and large fish often capture juveniles.
Flying fish use their unusual flying talent to escape predators such as swordfish, tunas, and other larger fishes. Flying fishes eat small crustaceans and other planktonic animals.
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Threats to Survival
: Predators include sea turtles, ocean sunfish, spade fish, tuna, swordfish, and other large fish. Humans, particularly in some Asian countries, capture and eat dried non-venomous jellyfish.
These sharks are taken in large numbers by longline fleets worldwide, especially in the eastern North Atlantic by Spanish swordfish fleets.
DIET AND FEEDING HABITS
Makos eat schooling fish, including tuna, herring, mackerel, swordfish, and porpoise. They are opportunistic feeders, eating just about anything.
Diet
The shortfin mako feeds mainly upon bony fishes including mackerels, tunas, bonitos and swordfish, but may also eat other sharks, porpoises and sea turtles.
Flying fish are thought to have evolved this remarkable gliding ability to escape predators, of which they have many. Their pursuers include mackerel, tuna, swordfish, marlin, and other larger fish.
Mahi Mahi is also a popular eating fish in Australia. Mahi-mahi is usually caught and sold as a by-product by tuna and swordfish commercial fishing operators.
Males can reach sexual maturity at age 3 but females usually mature at ages 4-7. Adult eels are preyed upon by larger fish such as sharks, haddock and swordfish and also by gulls and bald eagles.
Their flesh has excellent flavor and firm texture flavor. Mahi-mahi have become popular restaurant fare in many areas, sometimes eaten as a substitute for swordfish because, having scales, they are considered kosher.
In the mid-1990s, the Hawaiian long-line fishery for swordfish killed an estimated 4,500 Black-footed Albatrosses a year. The albatrosses are killed in these fisheries when they get entangled while feeding on baited hooks.
" They have never been known to charge and pierce the bottom of ships with their weapons, as the swordfish does. The name "sea-unicorn" is sometimes applied to the narwhal.
 See also: Tuna, Shark, Dolphin, Whale, Diver
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