Amberjack
| Amberjack | |
|---|---|
 |
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| Greater amberjack, Seriola dumerili off the coast of North Carolina | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Perciformes |
| Family: | Carangidae |
| Genus: | Seriola |
Amberjack is an Atlantic and Pacific fish of the Carangidae family (genus Seriola). They are a game fish, most often found in the warmer parts of ocean. There are many types of amberjacks, including greater amberjacks (Atlantic), lesser amberjacks (Atlantic), Almaco jack (Pacific), yellowtail (Pacific), and the banded rudderfish (Atlantic).
Greater amberjacks, Seriola dumerili, are the largest of the jacks. They usually have dark stripes extending from nose to in front of their dorsal fins. They have no scutes and soft dorsal bases less than twice the length of the anal fin bases. They are usually 18 kg (40 pounds) or less, and are found associated with rocky reefs, debris, and wrecks, typically in 20 to 75 m (10 to 40 fathoms). Greater amberjacks are also found in the Pacific.
Lesser amberjacks, Seriola fasciata, have proportionately larger eyes and deeper bodies than greater amberjacks. They are olive green or brownish-black with silver sides, and usually have a dark band extending upward from their eyes. Juveniles have split or wavy bars on their sides. The adults are usually under 5 kg (10 lbs). They are found deeper than other jacks, commonly 50 to 130 m (30 to 70 fathoms).
Amberjacks are voracious predators, which feed on squid, fish, and crustaceans, and are thought to spawn offshore throughout most of the year.
Juveniles can be caught in about 25 feet (7.6 m) of water, near floating objects.
Banded rudderfish, Seriola zonata, is the second-smallest amberjack. This jack can be distinguished from the pilot fish by the presence of a first dorsal fin. Juveniles are banded vertically like pilotfish, and follow large objects or animals. Large individuals (over 10 inches) have no bands. This fish, though commonly caught, is rarely identified. Large ones, with a raccoon-stripe on the eye and an iridescent gold stripe on the side, are usually called amberjacks when caught, and juveniles are called pilotfish. They are found as far north as Nova Scotia. They are less dependent on sharks, etc., than pilotfish. They can be caught on shrimp, silversides, lures (e.g. spoons), and flies.
Other species exist in other parts of the world, such as: yellowtail amberjack (including the Asian yellowtail, the California yellowtail, and yellowtail kingfish or southern yellowtail), Almaco jack, and Japanese amberjack (five-ray yellowtail).
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Wikipedia