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Apri l'appDescrizione
Dicentrarchus labrax, commonly known as the European seabass, is a predatory marine fish belonging to the family Moronidae. It is highly valued both as a food fish and for aquaculture. This species exhibits a streamlined, fusiform body adapted for swift movement in coastal waters. It is characterized by its silvery coloration, two distinct dorsal fins, and a prominent opercular spine. European seabass are euryhaline, tolerating a wide range of salinities, and are often found in estuaries and coastal lagoons as well as open marine environments.
Caratteristiche fisiche
- Forma del corpo
- torpedo
- Colorazione
- Silvery-grey dorsally, fading to silvery-white on the flanks and belly. Juveniles often have dark spots on the upper body, which typically disappear with age, though some adults may retain faint spots.
- Tipo di squame
- ctenoid
- Posizione della bocca
- terminal
- Caratteristiche distintive
- Two distinct dorsal fins, the first spiny and the second soft-rayed., A prominent, sharp spine on the operculum (gill cover)., Large, terminal mouth., Streamlined body shape.
- Pinna dorsale
- Two dorsal fins: the first with 8-10 strong spines, the second with 1 spine and 12-13 soft rays.
- Pinna caudale
- Caudal fin is moderately forked.
- Pinna pettorale
- Pectoral fins are relatively short and rounded.
- Pinne distintive
- Pelvic fins are thoracic, located directly below the pectoral fins, with 1 spine and 5 soft rays. Anal fin has 3 spines and 10-12 soft rays.
Consigli per l'identificazione
Dorsal Fins
Look for two clearly separated dorsal fins. The first is spiny and triangular, while the second is longer and soft-rayed.
Opercular Spine
A sharp, prominent spine is present on the posterior edge of the operculum (gill cover).
Coloration
Silvery body with a darker grey-blue back. Juveniles may have small dark spots, which usually fade in adults.
Body Shape
Elongated and streamlined, typical of a fast-swimming predator.
Habitat
- Tipo di acqua
- brackish
- Profondità
- Typically found from the surface down to 100 meters (330 feet), occasionally deeper.
- Ambiente
- Coastal waters, estuaries, lagoons, rocky shores, sandy bottoms, and seagrass beds. Juveniles often inhabit shallower, more sheltered brackish waters, moving to deeper marine environments as they mature.
- Areale geografico
- Eastern Atlantic Ocean from Norway to Senegal, including the Mediterranean Sea and the Black Sea. Also found in the Canary Islands and Cape Verde.
Informazioni sull'acquario
- Livello di cura: advanced
- Temperamento: semi-aggressive
- Dieta: carnivore
- Dimensione minima della vasca: 500 gallons (for adult specimens)
- Temperatura: 10-24°C (50-75°F)
- Livello di pH: 7.8-8.4
- Durezza: 10-20 dKH
- Compatibilità: Best kept in species-specific tanks or with other large, robust, and similarly sized marine fish. Avoid keeping with smaller fish or invertebrates as they will be preyed upon.
- Requisiti speciali: Requires a large tank with ample swimming space, excellent filtration, and stable water parameters. Juveniles can be kept in smaller tanks but grow rapidly. A varied diet of high-quality marine-based foods is essential. Can be sensitive to poor water quality.
Informazioni in natura
- Stato di conservazione: least concern
- Stagionalità: Spawning typically occurs from January to March in the Mediterranean and from March to June in the Atlantic. Fishing seasons vary by region, often peaking outside of spawning periods to protect stocks.
- Prezzo di mercato: High, varies by region and size
- Importanza commerciale: high
- Sapore: Mild, delicate, slightly sweet
- Consistenza: Flaky, firm, white flesh
- Metodi di cottura: Baking, Grilling, Steaming, Pan-frying, Roasting, Salt-crusted
- Valore nutrizionale: Excellent source of lean protein, Omega-3 fatty acids, and various vitamins and minerals (e.g., B12, selenium, phosphorus).
Fatti chiave
Euryhaline Naturebehavior
Dicentrarchus labrax is highly euryhaline, meaning it can tolerate a wide range of salinities, from freshwater to hypersaline conditions. This allows it to utilize diverse habitats, including estuaries and coastal lagoons, which are crucial nursery grounds.
Protandrous Hermaphroditismbehavior
While typically gonochoristic (separate sexes), some populations of Dicentrarchus labrax have been observed to exhibit protandrous hermaphroditism, where individuals mature first as males and later transition to females. This is more common in farmed populations under certain conditions.
Aquaculture Stapleinteresting
The European seabass is one of the most important aquaculture species in the Mediterranean region, with significant production in countries like Greece, Turkey, Italy, and Spain. Its adaptability and market demand make it a prime candidate for farming.
Opportunistic Predatorbehavior
As an opportunistic predator, D. labrax has a varied diet that changes with age and habitat. Juveniles primarily feed on small crustaceans and polychaetes, while adults consume larger crustaceans, cephalopods, and a wide range of small fish.
Longevityamazing
European seabass can live for a considerable period, with individuals recorded living up to 15-20 years in the wild, reaching impressive sizes of over 1 meter in length and weights exceeding 10 kg.
Informazioni di sicurezza
Maneggiare con cura- Livello di sicurezza: caution
- Velenoso: No
- Commestibilità: edible
- Note sul maneggio: While not venomous, the European seabass possesses sharp spines on its dorsal and anal fins, as well as a very sharp opercular spine. Care should be taken when handling to avoid painful punctures. Use gloves or a fish gripper, and handle firmly to prevent injury.
Specie simili
Spotted Seabass
Dicentrarchus punctatus
D. punctatus has numerous distinct black spots covering its entire body, which persist into adulthood, unlike D. labrax where spots are typically only present in juveniles and often fade.
White Seabass
Atractoscion nobilis
A. nobilis is a sciaenid (croaker family) found in the Pacific, not closely related to D. labrax. It has a more elongated body, a different fin structure (single dorsal fin with a deep notch), and lacks the prominent opercular spine of D. labrax.
Striped Bass
Morone saxatilis
M. saxatilis, an American species, has distinct horizontal dark stripes along its flanks, which D. labrax lacks. While both are in the Moronidae family, their geographic ranges and stripe patterns are key differentiators.
Classificazione scientifica
- Regno
- Animalia
- Phylum
- Chordata
- Classe
- Actinopterygii
- Ordine
- Perciformes
- Famiglia
- Moronidae
- Genere
- Dicentrarchus
- Specie
- Dicentrarchus labrax
Esplora European Seabass
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