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Odpri aplikacijoOpis
Diplodus annularis, commonly known as the annular seabream or špar, is a small to medium-sized marine fish belonging to the family Sparidae. It is characterized by its silvery body, often with a yellowish tint, and a prominent black spot encircled by a yellow ring at the base of the caudal fin. This species is a common inhabitant of coastal waters across the Mediterranean Sea and the eastern Atlantic Ocean, preferring rocky and sandy bottoms, as well as seagrass beds. It is a gregarious species, often found in small to large schools, especially when young. Špar is an omnivorous feeder, consuming a variety of small invertebrates and algae. It holds some commercial importance in artisanal fisheries and is a popular target for recreational anglers due to its abundance and palatable flesh.
Fizične značilnosti
- Oblika telesa
- compressed
- Obarvanost
- Silvery-grey to yellowish-silver, often with faint longitudinal stripes. The most distinctive feature is a prominent black spot, often ringed with yellow, at the base of the caudal peduncle.
- Vrsta lusk
- ctenoid
- Položaj ust
- terminal
- Razpoznavne značilnosti
- Prominent black spot at the caudal peduncle, often with a yellow ring., Small, terminal mouth with incisor-like teeth at the front and molars at the sides., Relatively deep, compressed body., Typically reaches 15-20 cm in length, with a maximum recorded size of about 25-30 cm and a weight of up to 0.5 kg.
- Hrbtna plavut
- Single dorsal fin with 11-12 spines and 12-14 soft rays.
- Repna plavut
- Forked caudal fin.
- Prsna plavut
- Long and pointed pectoral fins.
- Razpoznavne plavuti
- Anal fin with 3 spines and 11-13 soft rays. Pelvic fins are thoracic.
Nasveti za prepoznavanje
Caudal Spot
The most reliable identifier is the distinct black spot, often with a yellowish halo, at the very base of the tail fin (caudal peduncle).
Body Coloration
Silvery-grey to yellowish-silver body, sometimes with faint horizontal lines, helps distinguish it from other Diplodus species that might have more pronounced vertical bars.
Mouth and Teeth
Observe the small, terminal mouth with incisor-like teeth at the front, useful for nipping at algae and small invertebrates.
Habitat
- Vrsta vode
- saltwater
- Globina
- Typically found from the surface down to 50 meters, occasionally deeper to 100 meters.
- Okolje
- Prefers coastal areas with rocky reefs, sandy bottoms, seagrass beds (Posidonia oceanica), and sometimes estuaries. Juveniles often inhabit shallower, protected areas.
- Geografska razširjenost
- Mediterranean Sea, Black Sea, and the eastern Atlantic Ocean from the Bay of Biscay south to Mauritania, including the Canary Islands and Madeira.
Podatki o akvariju
- Stopnja zahtevnosti nege: intermediate
- Temperament: peaceful
- Prehrana: omnivore
- Najmanjša velikost akvarija: 200 gallons
- Temperatura: 18-24°C (64-75°F)
- Vrednost pH: 8.1-8.4
- Trdota vode: 8-12 dKH
- Združljivost: Generally compatible with other peaceful, similarly sized marine fish. Avoid housing with aggressive species or very small, delicate invertebrates.
- Posebne zahteve: Requires a well-established marine aquarium with plenty of rockwork for shelter and open swimming areas. Good water quality and stable parameters are crucial. Can be kept in small groups if the tank is sufficiently large.
Podatki iz narave
- Status ogroženosti: least concern
- Sezonskost: Present year-round, but fishing activity may increase during warmer months when they are more active and closer to shore.
- Tržna cena: Varies by region and size, generally moderate.
- Komercialni pomen: medium
- Okus: Mild, delicate, slightly sweet
- Tekstura: Flaky, tender, white flesh
- Načini priprave: Grilled, Baked, Fried, Steamed, In soups
- Hranilna vrednost: Good source of lean protein, omega-3 fatty acids, and various vitamins and minerals.
Ključna dejstva
Hermaphroditismbehavior
Diplodus annularis is a protandrous hermaphrodite, meaning individuals mature first as males and later transition to females. This sexual plasticity is common among sparids.
Dietary Flexibilitybehavior
Its omnivorous diet, consisting of small crustaceans, mollusks, worms, and algae, allows it to thrive in diverse coastal environments.
Schooling Behaviorbehavior
Juvenile and sub-adult špar often form large schools, providing protection against predators and facilitating foraging efficiency.
Indicator Speciesinteresting
Due to its prevalence in coastal habitats, Diplodus annularis can serve as an indicator species for the health of nearshore marine ecosystems.
Varnostne informacije
Varna- Stopnja varnosti: safe
- Strupena: Ne
- Užitnost: edible
- Opombe o ravnanju: 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 care should be taken to prevent minor punctures.
Podobne vrste
Sargo
Diplodus sargus
D. sargus has prominent vertical black bars on its body and a less distinct, often more diffuse, black spot at the caudal peduncle. Its body is generally deeper and more silvery-white.
Zubatac
Diplodus puntazzo
D. puntazzo is characterized by a more pointed snout and distinct vertical bars that extend onto the dorsal fin. The caudal spot is usually less defined or absent compared to D. annularis.
Picarel
Spicara maena
While also having a black spot on the flank, Spicara maena has a more elongated body, a protractile mouth, and a different fin structure. The spot on S. maena is typically on the lateral line, not at the caudal peduncle.
Znanstvena klasifikacija
- Kraljestvo
- Animalia
- Deblo
- Chordata
- Razred
- Actinopterygii
- Red
- Spariformes
- Družina
- Sparidae
- Rod
- Diplodus
- Vrsta
- annularis
Raziščite Annular seabream
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