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Apri l'appDescrizione
The Great Barracuda (Sphyraena barracuda) is a large, predatory ray-finned fish found in tropical and subtropical oceans worldwide. It is renowned for its formidable appearance, characterized by a long, slender body, a pointed head, and a prominent set of sharp, fang-like teeth. This apex predator is an opportunistic hunter, preying on a variety of smaller fish and cephalopods. Its streamlined body and powerful caudal fin allow for bursts of speed, making it an efficient ambush predator. While generally not aggressive towards humans, its curious nature and impressive dentition warrant caution.
Caratteristiche fisiche
- Forma del corpo
- torpedo
- Colorazione
- Dorsal side typically dark green, grey, or blue, fading to silvery sides and a white belly. Often exhibits irregular, dark blotches or vertical bars on the sides, which can be more pronounced in juveniles or when camouflaged. Caudal fin is dark with white tips on the lobes.
- Tipo di squame
- cycloid
- Posizione della bocca
- superior
- Caratteristiche distintive
- Large, prominent mouth with powerful jaws and two rows of sharp, conical teeth of varying sizes, including large, fang-like canines., Two widely separated dorsal fins, the first with 5 strong spines and the second with 1 spine and 9 soft rays., Large, pointed head with large eyes., Lateral line is prominent and straight., Absence of gill rakers on the first arch.
- Pinna dorsale
- Two widely separated dorsal fins. First dorsal fin has 5 strong spines. Second dorsal fin has 1 spine and 9 soft rays.
- Pinna caudale
- Forked caudal fin, dark with white tips on the lobes.
- Pinna pettorale
- Small, located low on the body.
- Pinne distintive
- Pelvic fins are abdominal, located beneath the pectoral fins.
Consigli per l'identificazione
Size and Body Shape
Can grow up to 2 meters (6.6 feet) in length and weigh over 50 kg (110 lbs). Its body is distinctly elongated and cylindrical, tapering towards the head and tail.
Dentition
The most striking feature is its formidable mouth filled with numerous sharp, dagger-like teeth, including large canines. The lower jaw protrudes beyond the upper jaw.
Coloration and Markings
Silvery body with a darker dorsal side (greenish-grey to bluish) and a white belly. Irregular, dark blotches or vertical bars are often present on the sides, especially in younger individuals.
Fin Arrangement
Two widely separated dorsal fins. The first dorsal fin is spiny, and the second is soft-rayed. The caudal fin is distinctly forked with dark coloration and white tips on the lobes.
Habitat
- Tipo di acqua
- saltwater
- Profondità
- Typically found in shallow coastal waters, from the surface down to about 100 meters (330 feet), but can occasionally be found deeper.
- Ambiente
- Inhabits a variety of marine environments including coral reefs, seagrass beds, mangroves, estuaries, and open pelagic waters. Often found near structures like wrecks, jetties, and drop-offs where prey congregates.
- Areale geografico
- Circumtropical and subtropical. Found in the Atlantic Ocean (from Massachusetts to Brazil, including the Caribbean Sea and Gulf of Mexico), the Indian Ocean, and the Pacific Ocean (from Hawaii to the Red Sea and parts of Australia).
Informazioni sull'acquario
- Livello di cura: expert
- Temperamento: aggressive
- Dieta: carnivore
- Dimensione minima della vasca: Not suitable for home aquariums due to size and predatory nature; requires public aquarium-scale exhibits (thousands of gallons).
- Temperatura: 24-28°C (75-82°F)
- Livello di pH: 8.1-8.4
- Durezza: 1.020-1.025 SG
- Compatibilità: Not compatible with other fish species in an aquarium setting due to its predatory nature. Best kept alone or in very large, species-specific exhibits.
- Requisiti speciali: Requires immense space for swimming, powerful filtration, and a constant supply of live or fresh dead fish as food. Not recommended for private aquarists.
Informazioni in natura
- Stato di conservazione: least concern
- Stagionalità: Present year-round in tropical and subtropical waters, with localized seasonal movements influenced by prey availability and water temperature.
- Prezzo di mercato: Variable, often sold as fillets or whole fish in local markets.
- Importanza commerciale: medium
- Sapore: Mild, firm, white flesh.
- Consistenza: Firm, flaky.
- Metodi di cottura: Grilling, Baking, Frying, Smoking
- Valore nutrizionale: Good source of protein, omega-3 fatty acids, and various vitamins and minerals. However, larger specimens can accumulate ciguatera toxin.
Fatti chiave
Ambush Predatorbehavior
The Great Barracuda is a classic ambush predator, often remaining motionless, blending with its surroundings, before launching a lightning-fast attack on unsuspecting prey.
Ciguatera Riskinteresting
Larger Great Barracudas, especially those from certain regions, can accumulate ciguatera toxin by consuming smaller fish that have fed on toxic dinoflagellates. This toxin can cause severe illness in humans if consumed.
Curious Naturebehavior
Unlike many predators that avoid humans, barracudas are known for their curious nature and may approach divers or snorkelers, often hovering at a distance to observe.
Speed Demonrecord
Its streamlined body and powerful caudal fin allow the Great Barracuda to achieve incredible bursts of speed, making it one of the fastest fish in its habitat over short distances.
No Gill Rakersinteresting
A unique anatomical feature of barracudas is the absence of gill rakers on their first gill arch, reflecting their diet of whole, large prey rather than filter-feeding or straining small particles.
Informazioni di sicurezza
Maneggiare con cura- Livello di sicurezza: caution
- Velenoso: No
- Commestibilità: edible
- Note sul maneggio: Great Barracudas are not inherently aggressive towards humans, but their curiosity and powerful jaws with razor-sharp teeth can pose a risk if provoked or if they mistake shiny objects (like jewelry) for prey. Avoid wearing shiny objects in the water where barracudas are present. If spearfishing, be aware that a barracuda may attempt to steal a speared fish. Handle with extreme caution if caught, as their bites can cause severe lacerations. Do not attempt to hand-feed or interact closely with them.
Specie simili
Northern Barracuda
Sphyraena borealis
Smaller in size (typically under 0.5 meters), lacks the prominent dark blotches or bars on the sides, and has a more slender body relative to its length. Found primarily in the western Atlantic.
Guinean Barracuda
Sphyraena afra
Similar in size but generally has more distinct, often wavy, dark vertical bars on its sides. Its geographic range is restricted to the eastern Atlantic and Mediterranean Sea.
Yellowtail Barracuda
Sphyraena flavicauda
Much smaller, typically under 0.6 meters. Distinguished by a yellowish caudal fin and a prominent dark stripe along the lateral line. Found in the Indo-Pacific.
Classificazione scientifica
- Regno
- Animalia
- Phylum
- Chordata
- Classe
- Actinopterygii
- Ordine
- Scombriformes
- Famiglia
- Sphyraenidae
- Genere
- Sphyraena
- Specie
- Sphyraena barracuda
Esplora Great Barracuda
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