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Diplodus argenteus, commonly known as Sargo-de-dentes, is a species of marine ray-finned fish belonging to the family Sparidae, the seabreams and porgies. It is characterized by its silvery body, often with faint vertical bars, and distinctive dentition. This species is a demersal fish, typically found in coastal waters over rocky or sandy bottoms.
Características físicas
- Formato do corpo
- compressed
- Coloração
- Silvery body, often with 5-7 faint, dark vertical bars that may fade or intensify depending on mood or environment. A distinct black spot is usually present at the base of the pectoral fin and another on the caudal peduncle. Fins are generally translucent or slightly dusky.
- Tipo de escama
- ctenoid
- Posição da boca
- terminal
- Características distintivas
- Silvery body with faint vertical bars (variable), Black spot at pectoral fin base, Black spot on caudal peduncle, Prominent incisor-like teeth in the front of the jaws, followed by molars
- Nadadeira dorsal
- Single dorsal fin with 11-12 spines and 12-14 soft rays. The spiny portion is longer than the soft-rayed portion.
- Nadadeira caudal
- Forked caudal fin, typically dark-edged.
- Nadadeira peitoral
- Long and pointed pectoral fins.
- Nadadeiras características
- Anal fin with 3 spines and 11-13 soft rays. Pelvic fins are thoracic.
Dicas de identificação
Body Coloration and Bars
Look for the overall silvery sheen and the presence of 5-7 faint, dark vertical bars along the flanks. These bars can be quite subtle and may not always be prominent.
Pectoral Fin Spot
A small, but distinct, black spot at the base of the pectoral fin is a key identifier.
Caudal Peduncle Spot
Another black spot is typically present on the caudal peduncle, just before the tail fin.
Dentition
Observe the teeth if possible; Diplodus argenteus possesses prominent incisor-like teeth at the front of both jaws, followed by several rows of molars. This 'dentition' is where its common name 'Sargo-de-dentes' (sargo with teeth) originates.
Body Shape
Its body is oval and compressed laterally, typical of many seabreams.
Habitat
- Tipo de água
- saltwater
- Profundidade
- Typically found from the surface down to about 50 meters (164 feet), though occasionally deeper.
- Ambiente
- Coastal waters, preferring rocky reefs, seagrass beds, sandy bottoms, and sometimes estuaries. Juveniles often inhabit shallower, more protected areas.
- Distribuição geográfica
- Eastern Atlantic Ocean, from Portugal south to Angola, including the Canary Islands, Cape Verde, and São Tomé and Príncipe. Also found in the Mediterranean Sea, though less common than other Diplodus species.
Informações sobre aquário
- Nível de cuidado: advanced
- Temperamento: semi-aggressive
- Alimentação: omnivore
- Tamanho mínimo do aquário: 500 gallons
- Temperatura: 20-26°C (68-79°F)
- Nível de pH: 8.1-8.4
- Dureza da água: 8-12 dKH
- Compatibilidade: Can be kept with other robust, similarly sized marine fish. Avoid keeping with very small or timid species. May show aggression towards conspecifics in smaller tanks.
- Requisitos especiais: Requires a large tank with ample swimming space and plenty of rockwork for shelter. Excellent filtration is essential due to its omnivorous diet and potential for waste production. A varied diet of high-quality pellets, frozen foods (shrimp, squid, krill), and some vegetable matter is recommended. Sensitive to poor water quality.
Informações no ambiente natural
- Estado de conservação: least concern
- Sazonalidade: Spawning typically occurs in late spring to early summer. Availability for fishing can vary regionally, but generally present year-round in its habitat, with increased catches during warmer months.
- Preço de mercado: Moderate to high, depending on region and size.
- Importância comercial: medium
- Sabor: Mild, delicate, and slightly sweet.
- Textura: Flaky, firm white flesh.
- Métodos de preparo: Baked, Grilled, Fried, Steamed, Pan-seared
- Valor nutricional: Good source of lean protein, omega-3 fatty acids, and various vitamins and minerals.
Fatos principais
Tooth Specialistbehavior
The common name 'Sargo-de-dentes' directly translates to 'sargo with teeth', highlighting its distinctive and prominent incisor-like teeth used for scraping algae and invertebrates from rocks.
Habitat Versatilitybehavior
This species demonstrates adaptability by inhabiting a range of coastal environments, from rocky reefs to sandy bottoms and even estuaries, showcasing its ecological flexibility.
Dietary Generalistbehavior
As an omnivore, Diplodus argenteus feeds on a wide variety of food sources, including small crustaceans, mollusks, worms, and algae, making it an important link in its food web.
Subtle Beautyinteresting
While its vertical bars can be faint, the silvery sheen and distinct black spots provide a subtle yet elegant appearance, often making it a challenge for novice observers to distinguish from similar species.
Informações de segurança
Seguro- Nível de segurança: safe
- Venenoso: Não
- Comestibilidade: edible
- Observações de manuseio: No specific venomous spines. Standard care should be taken when handling any fish to avoid fin pricks, which can be painful but are not venomous. Its strong teeth could potentially nip if handled carelessly, but this is rare.
Espécies similares
White Seabream
Diplodus sargus
Diplodus sargus typically has more pronounced and darker vertical bars (usually 8-9) and lacks the distinct black spot at the base of the pectoral fin. The caudal peduncle spot in D. sargus is often larger and more saddle-like.
Annular Seabream
Diplodus annularis
Diplodus annularis is generally smaller, has a more yellowish tint, and a very prominent black band around the caudal peduncle, but lacks the pectoral fin spot and the distinct incisor teeth of D. argenteus.
Zebra Seabream
Diplodus cervinus
Diplodus cervinus is much larger, has very distinct and broad dark vertical bands (usually 5-6), and a more robust body. Its coloration is generally darker and more contrasting than D. argenteus.
Classificação científica
- Reino
- Animalia
- Filo
- Chordata
- Classe
- Actinopterygii
- Ordem
- Spariformes
- Família
- Sparidae
- Gênero
- Diplodus
- Espécie
- Diplodus argenteus
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