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Seriola dumerili, commonly known as the Greater Amberjack or Sinarit, is a large, predatory pelagic fish belonging to the family Carangidae. It is highly valued in commercial and recreational fisheries due to its size, fighting ability, and culinary quality. This species is characterized by its robust, elongated body and a distinctive amber stripe that runs from the snout to the first dorsal fin, though this stripe can be less prominent in larger adults. They are fast-swimming, schooling fish, particularly when juvenile, and are opportunistic predators.
Fyysiset ominaisuudet
- Ruumiinmuoto
- torpedo
- Väritys
- Dorsal side is typically dark blue to bluish-gray, fading to silvery-white on the belly. A distinctive amber or yellowish stripe often runs horizontally from the eye to the base of the caudal fin, though this can be faint or absent in very large individuals. Juveniles have prominent vertical bars and a dark stripe through the eye.
- Suomutyyppi
- cycloid
- Suun asento
- terminal
- Erottuvat piirteet
- Robust, elongated, and slightly compressed body., A dark amber or yellowish stripe from the snout through the eye to the first dorsal fin (more pronounced in juveniles and sub-adults)., Two dorsal fins, the first much shorter than the second., A small, detached finlet often present behind the second dorsal and anal fins (though not always prominent)., Strongly forked caudal fin., Absence of scutes along the lateral line, unlike some other carangids.
- Selkäevä
- Two dorsal fins; the first with 7-8 spines, the second with 1 spine and 29-35 soft rays. The anterior rays of the second dorsal fin are notably elevated.
- Pyrstöevä
- Strongly forked, with pointed lobes.
- Rintaevä
- Relatively short, falcate (sickle-shaped).
- Erottuvat evät
- Anal fin similar in shape to the second dorsal fin, with 2 detached spines followed by 1 spine and 18-22 soft rays. Pelvic fins are well-developed.
Tunnistusvinkit
Body Shape and Coloration
Look for the robust, torpedo-shaped body, dark blue/gray dorsal, silvery belly, and the characteristic amber stripe from snout to dorsal fin (though variable in intensity).
Dorsal Fins
Note the two dorsal fins, with the first being much shorter and the second having a distinctly elevated anterior lobe.
Lateral Line
Absence of prominent scutes along the lateral line, which distinguishes it from some other jack species.
Juvenile Markings
Juveniles have distinct vertical bars on their flanks and a dark stripe through the eye, which fade with age.
Elinympäristö
- Vesityyppi
- saltwater
- Syvyys
- Typically found from near the surface down to 360 meters (1,180 feet), but most commonly encountered in depths of 20-70 meters (65-230 feet).
- Ympäristö
- Pelagic and demersal, inhabiting rocky reefs, wrecks, artificial structures, and open ocean areas. Juveniles often associate with floating objects or sargassum mats.
- Maantieteellinen levinneisyys
- Circumglobal in tropical and temperate waters. Found in the Atlantic Ocean (including the Mediterranean Sea and Gulf of Mexico), Pacific Ocean (from Japan to Australia and the Americas), and Indian Ocean.
Akvaariotiedot
- Hoitotaso: expert
- Luonne: aggressive
- Ruokavalio: carnivore
- Akvaarion vähimmäiskoko: 2000 gallons (7570 liters) for juveniles, significantly larger for adults
- Lämpötila: 20-28°C (68-82°F)
- pH-taso: 8.1-8.4
- Kovuus: 8-12 dKH
- Yhteensopivuus: Not suitable for typical home aquariums. Only compatible with very large, species-specific or large predatory fish exhibits in public aquariums. Will predate on smaller fish.
- Erityisvaatimukset: Requires immense space, powerful filtration, strong water flow, and a constant supply of live or fresh dead prey. Not recommended for private aquarists due to its size, growth rate, and predatory nature.
Tietoa luonnonvaraisista
- Suojelustatus: least concern
- Kausivaihtelu: Spawning typically occurs in spring and summer, with peak availability for fishing often correlating with these warmer months, though they can be caught year-round in suitable habitats.
- Markkinahinta: Varies significantly by region and season, often high due to demand for fresh fish.
- Kaupallinen merkitys: high
- Maku: Mild to medium, rich, slightly sweet, and savory.
- Rakenne: Firm, moist, flaky, and meaty.
- Valmistustavat: Grilling, Baking, Pan-searing, Smoking, Sashimi/Sushi (when fresh and properly handled)
- Ravintoarvo: Excellent source of lean protein, Omega-3 fatty acids, and various vitamins and minerals (e.g., B vitamins, selenium, phosphorus).
Avaintiedot
Top Predatorbehavior
Greater Amberjacks are apex predators in their reef and open-water habitats, playing a crucial role in marine food webs.
Growth and Sizerecord
They are one of the largest members of the jack family, capable of reaching lengths of over 1.9 meters (6 feet) and weights exceeding 90 kg (200 pounds), though specimens over 50 kg are rare.
Schooling Behaviorbehavior
Juveniles and sub-adults often form large schools, sometimes associating with floating debris or sargassum, providing them with shelter and food. Adults tend to be more solitary or form smaller groups.
Dietary Habitsbehavior
Their diet primarily consists of other fish (e.g., sardines, mackerel, squid, crustaceans), which they actively hunt using their speed and agility.
Longevityinteresting
Greater Amberjacks can live for over 15 years, with some individuals recorded to live up to 17 years.
Turvallisuustiedot
Käsittele varoen- Turvallisuustaso: caution
- Myrkyllinen: Ei
- Syötävyys: edible
- Käsittelyohjeet: Greater Amberjack are powerful fish and can inflict injuries with their strong tail (caudal fin) during handling. Use appropriate gear and caution when landing and unhooking. Large individuals can be heavy and difficult to manage. While not venomous, their sharp gill plates and fin spines can cause cuts. Always handle with care, especially when gaffing or bringing aboard a boat.
Samankaltaiset lajit
Lesser Amberjack
Seriola fasciata
Generally smaller, has a deeper body, and the amber stripe is less distinct or absent. The first dorsal fin is relatively taller compared to the Greater Amberjack.
Almaco Jack
Seriola rivoliana
Has a much deeper body profile, a more steeply sloped head, and a longer, more falcate pectoral fin. The anterior lobe of the second dorsal fin is significantly taller than in S. dumerili.
Yellowtail Amberjack
Seriola lalandi
Distinguished by a more pronounced yellow caudal fin and a more distinct yellow stripe along the flank. Its body is typically more slender than S. dumerili.
Tieteellinen luokitus
- Kunta
- Animalia
- Pääjakso
- Chordata
- Luokka
- Actinopterygii
- Lahko
- Carangiformes
- Heimo
- Carangidae
- Suku
- Seriola
- Laji
- dumerili
Tutustu lajiin Greater Amberjack
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