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Sphyraena viridensis, commonly known as the European Barracuda or Mediterranean Barracuda, is a predatory marine fish belonging to the family Sphyraenidae. It is characterized by its elongated, cylindrical body, powerful jaws, and sharp, conical teeth. This species is an active pelagic predator, often found in coastal waters, and is known for its swift movements and ambush hunting tactics. It plays a significant role in its ecosystem as a top-level predator.
Caratteristiche fisiche
- Forma del corpo
- torpedo
- Colorazione
- Dorsal side typically dark grey to greenish-blue, fading to silvery-white on the flanks and belly. Often exhibits faint, irregular dark bars or blotches on the sides, which can be more pronounced in younger individuals or when stressed. The caudal fin is often yellowish, especially in adults, giving rise to the 'Yellowmouth Barracuda' common name in some regions.
- Tipo di squame
- cycloid
- Posizione della bocca
- superior
- Caratteristiche distintive
- Elongated, cylindrical body, slightly compressed laterally., Large, pointed head with a prominent lower jaw that protrudes beyond the upper jaw., Powerful jaws armed with two rows of sharp, conical teeth: an outer row of small, closely set teeth and an inner row of larger, widely spaced, dagger-like teeth., Two widely separated dorsal fins., Large, deeply forked caudal fin., Lateral line is prominent and straight.
- Pinna dorsale
- Two dorsal fins; the first dorsal fin has 5 strong spines, and the second dorsal fin has 1 spine and 9 soft rays. The two fins are widely separated.
- Pinna caudale
- Large, deeply forked caudal fin, often yellowish.
- Pinna pettorale
- Small, located low on the body.
- Pinne distintive
- Pelvic fins are small and located abdominally, beneath the pectoral fins.
Consigli per l'identificazione
Body Shape and Coloration
Look for the classic torpedo-shaped body, dark dorsal, silvery flanks, and often faint vertical bars. The yellowish caudal fin is a good indicator in adults.
Head and Mouth
The large, pointed head with a protruding lower jaw and visible sharp teeth are key identifiers. The 'yellowmouth' coloration inside the mouth can also be a distinguishing feature.
Dorsal Fins
The two widely separated dorsal fins are characteristic of barracudas, and S. viridensis specifically.
Size
Adults typically range from 60-100 cm (24-39 inches) in length, with a maximum recorded length of about 150 cm (59 inches) and weight up to 3.6 kg (8 lbs).
Habitat
- Tipo di acqua
- saltwater
- Profondità
- Typically found from the surface down to about 100 meters (330 feet), though occasionally deeper.
- Ambiente
- Coastal pelagic and demersal-pelagic zones. Inhabits rocky reefs, seagrass beds, sandy bottoms, and open water. Often associated with structures like shipwrecks, jetties, and offshore platforms. Juveniles may be found in shallower, more protected areas.
- Areale geografico
- Primarily found in the Mediterranean Sea and the eastern Atlantic Ocean, from the Bay of Biscay south to Angola, including the Canary Islands, Madeira, and the Azores. Its range has been expanding northward in recent decades, likely due to climate change.
Informazioni sull'acquario
- Livello di cura: expert
- Temperamento: aggressive
- Dieta: carnivore
- Dimensione minima della vasca: Not suitable for home aquaria due to size and predatory nature. Requires public aquarium-scale exhibits.
- Temperatura: 20-26°C (68-79°F)
- Livello di pH: 8.1-8.4
- Durezza: 8-12 dKH
- Compatibilità: Not compatible with other fish species in captivity due to its predatory nature. Best kept in species-specific exhibits or very large, carefully managed mixed-species displays with similarly sized, robust fish.
- Requisiti speciali: Requires extremely large tanks with ample swimming space, strong 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: More active and frequently encountered in warmer months, but present year-round in its distribution range.
- Prezzo di mercato: Varies by region and season, generally moderate to high.
- Importanza commerciale: medium
- Sapore: Mild, firm, white flesh.
- Consistenza: Firm, flaky.
- Metodi di cottura: Grilling, Baking, Frying, Steaming
- Valore nutrizionale: Good source of protein and omega-3 fatty acids. Low in fat.
Fatti chiave
Ambush Predatorbehavior
Sphyraena viridensis is a classic ambush predator, often lurking motionless near structures or in open water, waiting for unsuspecting prey to pass by before launching a rapid, powerful attack.
Dietary Habitsbehavior
Its diet primarily consists of smaller schooling fish such as sardines, anchovies, mullets, and mackerel, but it will also consume cephalopods and crustaceans.
Schooling Behaviorbehavior
While large adults are often solitary, younger European Barracudas frequently form schools, sometimes numbering in the hundreds, which can be an impressive sight for divers.
Climate Change Indicatorevolution
The northward expansion of Sphyraena viridensis's geographic range into areas like the Bay of Biscay is considered an indicator of rising sea temperatures due to climate change.
Misconceptionsinteresting
Despite their fearsome appearance and reputation, attacks on humans by Sphyraena viridensis are extremely rare and usually result from provocation, mistaken identity (e.g., shiny objects), or feeding frenzies.
Informazioni di sicurezza
Maneggiare con cura- Livello di sicurezza: caution
- Velenoso: No
- Commestibilità: edible
- Note sul maneggio: Barracudas possess extremely sharp teeth and powerful jaws. While not inherently aggressive towards humans, they can inflict severe bites if provoked, handled carelessly, or if they mistake shiny objects (like jewelry) for prey. Anglers should exercise extreme caution when unhooking or handling this fish. Use appropriate tools like long-nosed pliers or de-hookers. Avoid placing hands near the mouth. There are no venomous spines.
Specie simili
Great Barracuda
Sphyraena barracuda
S. barracuda is generally much larger, reaching over 2 meters. It typically has more prominent, irregular dark blotches or bars on its sides, and its caudal fin is usually dark, not yellowish. The Great Barracuda also has a more widespread tropical and subtropical distribution.
Guinean Barracuda
Sphyraena afra
S. afra has a more restricted distribution to the West African coast. It can be distinguished by its generally darker coloration and often more numerous and distinct vertical bars on its flanks. Morphologically, subtle differences in fin ray counts and body proportions exist, requiring closer examination.
Northern Barracuda
Sphyraena borealis
S. borealis is a smaller species found in the western Atlantic. It has a more slender body and typically lacks the yellowish caudal fin of S. viridensis. Its distribution does not overlap with S. viridensis.
Classificazione scientifica
- Regno
- Animalia
- Phylum
- Chordata
- Classe
- Actinopterygii
- Ordine
- Scombriformes
- Famiglia
- Sphyraenidae
- Genere
- Sphyraena
- Specie
- Sphyraena viridensis
Esplora European Barracuda
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