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Diplodus sargus, commonly known as the white seabream or sargo, is a species of marine ray-finned fish belonging to the family Sparidae, the seabreams and porgies. It is a highly valued food fish and a popular target for recreational anglers throughout its range. This species is characterized by its silvery body with distinct vertical black bands and a prominent black spot on the caudal peduncle. It is a demersal fish, typically found in coastal waters over rocky, sandy, or seagrass bottoms.
Fizinės ypatybės
- Kūno forma
- compressed
- Spalva
- Silvery-grey body with 8-9 distinct dark vertical bands (which may fade or intensify depending on mood and environment). A prominent black spot is present on the caudal peduncle, extending onto the caudal fin. The belly is whitish.
- Žvynų tipas
- ctenoid
- Burnos padėtis
- terminal
- Skiriamieji požymiai
- 8-9 dark vertical bands on the flanks, Large black spot on the caudal peduncle, Small, terminal mouth with incisor-like teeth at the front and molars at the back, Relatively large eyes
- Nugaros pelekas
- Single dorsal fin with 11-12 spines and 13-16 soft rays. The spiny part is longer than the soft-rayed part.
- Uodegos pelekas
- Forked caudal fin, dark-edged.
- Krūtinės pelekas
- Long and pointed pectoral fins.
- Skiriamieji pelekai
- Pelvic fins are relatively small and located directly below the pectoral fins.
Atpažinimo patarimai
Vertical Bands
Count the distinct dark vertical bands on the body. Diplodus sargus typically has 8-9. These bands can sometimes fade, especially in larger specimens or when the fish is stressed.
Caudal Spot
Look for the prominent, well-defined black spot on the caudal peduncle (the narrow part of the body before the tail fin). This spot is a key identifier and usually extends slightly onto the base of the caudal fin.
Mouth and Teeth
Observe the mouth. Diplodus sargus has a small, terminal mouth with 8-10 incisor-like teeth in the front of each jaw, followed by 3-5 rows of molars. This dentition is adapted for grazing and crushing shells.
Body Shape
The body is oval and compressed laterally, typical of seabreams.
Buveinė
- Vandens tipas
- saltwater
- Gylis
- Typically found from the surface down to 50 meters (164 feet), occasionally deeper to 150 meters (492 feet).
- Aplinka
- Prefers rocky bottoms, seagrass beds (Posidonia oceanica), sandy areas near rocks, and estuaries. Juveniles often inhabit shallower, more protected areas.
- Geografinis paplitimas
- Eastern Atlantic Ocean from the Bay of Biscay to South Africa, including the Canary Islands, Cape Verde, and Madeira. Also widely distributed throughout the Mediterranean Sea and the Black Sea.
Informacija akvariumui
- Priežiūros sudėtingumas: advanced
- Temperamentas: semi-aggressive
- Mityba: omnivore
- Minimalus akvariumo dydis: 500 gallons
- Temperatūra: 18-24°C (64-75°F)
- pH lygis: 8.1-8.4
- Kietumas: 8-12 dKH
- Suderinamumas: Can be kept with other robust, similarly sized marine fish. Avoid keeping with very small or timid species. May become territorial, especially during feeding.
- Specialūs reikalavimai: Requires a large tank with plenty of rockwork for hiding and grazing. Excellent filtration and stable water parameters are crucial. A varied diet including meaty foods and vegetable matter is essential.
Informacija apie laukinę populiaciją
- Apsaugos statusas: least concern
- Sezoniškumas: Can be caught year-round, but fishing activity often peaks in warmer months when they are more active and closer to shore.
- Rinkos kaina: High, varies by region and size
- Komercinė reikšmė: high
- Skonis: Mild, delicate, slightly sweet
- Tekstūra: Firm, flaky, white flesh
- Gaminimo būdai: Grilled, Baked, Fried, Steamed, Salt-crusted
- Maistinė vertė: Good source of lean protein, Omega-3 fatty acids, and various vitamins and minerals.
Pagrindiniai faktai
Hermaphroditismbehavior
Diplodus sargus is a protandrous hermaphrodite, meaning individuals mature first as males and later can change sex to become females. This is a common reproductive strategy among seabreams.
Dietary Flexibilitybehavior
Its diet is highly varied, including small crustaceans, mollusks, worms, and algae. This omnivorous nature allows it to thrive in diverse coastal environments.
Habitat Adaptabilitybehavior
Šaraga can be found in a wide range of habitats, from shallow rocky reefs to sandy bottoms and seagrass meadows, demonstrating its adaptability to different substrates and food sources.
Longevityinteresting
Individuals of Diplodus sargus can live for up to 10-12 years in the wild, reaching a maximum size of around 45 cm (18 inches) and a weight of up to 2 kg (4.4 lbs).
Saugos informacija
Saugu- Saugumo lygis: safe
- Nuodinga: Ne
- Tinkamumas maistui: edible
- Elgesio su žuvimi pastabos: No specific handling precautions are required beyond standard fish handling practices to avoid fin pricks. The dorsal and anal fin spines can be sharp, so handle with care to prevent minor injuries.
Panašūs rūšys
Annular seabream
Diplodus annularis
Distinguished by a single, very prominent black spot on the caudal peduncle that does not extend onto the fin, and a more yellowish coloration, especially on the fins. It lacks the distinct vertical bands of D. sargus.
Zebra seabream
Diplodus cervinus
Has fewer (5-6), much broader and darker vertical bands that are more pronounced and persistent than in D. sargus. It also has a more elongated body shape and can grow significantly larger.
Two-banded seabream
Diplodus vulgaris
Characterized by two very distinct, broad black vertical bands: one behind the head and another on the caudal peduncle. It lacks the multiple, thinner bands of D. sargus.
Mokslinė klasifikacija
- Karalystė
- Animalia
- Tipas
- Chordata
- Klasė
- Actinopterygii
- Būrys
- Spariformes
- Šeima
- Sparidae
- Gentis
- Diplodus
- Rūšis
- Diplodus sargus
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