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Apri l'appDescrizione
Cilus gilberti, commonly known as Corvina, is a species of marine fish belonging to the family Sciaenidae (drums or croakers). It is a commercially important species, particularly in the Eastern Pacific, known for its palatable flesh. This fish exhibits a robust, elongated body typical of many sciaenids, adapted for life in coastal waters.
Caratteristiche fisiche
- Forma del corpo
- elongated
- Colorazione
- Generally silvery-grey to brownish on the dorsal side, fading to a lighter, often silvery-white, ventral surface. Fins are typically dusky or yellowish. Some individuals may exhibit faint vertical bars or mottling, especially when young or in specific habitats.
- Tipo di squame
- ctenoid
- Posizione della bocca
- terminal
- Caratteristiche distintive
- Large, prominent scales., A single, continuous dorsal fin deeply notched., A relatively large mouth with small, conical teeth., A characteristic 'croaking' sound produced by drumming muscles against the swim bladder, particularly during spawning or distress.
- Pinna dorsale
- Single, long dorsal fin, deeply notched, with 10-11 spines in the anterior part and 20-24 soft rays in the posterior part.
- Pinna caudale
- Truncate to slightly emarginate caudal fin.
- Pinna pettorale
- Moderately long pectoral fins, typically reaching beyond the pelvic fin origin.
- Pinne distintive
- Anal fin with 2 spines and 7-8 soft rays. Pelvic fins thoracic.
Consigli per l'identificazione
Dorsal Fin
Look for the single, deeply notched dorsal fin with a distinct spiny anterior section and a soft-rayed posterior section.
Body Coloration
Observe the silvery-grey to brownish dorsal coloration fading to a lighter belly. Absence of prominent spots or stripes (distinguishing from some other sciaenids).
Mouth and Teeth
Note the relatively large mouth with small, conical teeth, indicative of its predatory nature.
Lateral Line
The lateral line is prominent and curves slightly upwards over the pectoral fin.
Habitat
- Tipo di acqua
- saltwater
- Profondità
- Typically found in shallow coastal waters, from the surf zone down to depths of approximately 100 meters (330 feet).
- Ambiente
- Prefers sandy or muddy bottoms, often near rocky reefs, estuaries, and surf zones. Juveniles may inhabit shallower, more protected areas like bays and lagoons.
- Areale geografico
- Eastern Pacific Ocean, primarily from Southern California (USA) south to Peru, including the Gulf of California.
Informazioni sull'acquario
- Livello di cura: expert
- Temperamento: semi-aggressive
- Dieta: carnivore
- Dimensione minima della vasca: 500 gallons
- Temperatura: 18-24°C (64-75°F)
- Livello di pH: 8.1-8.4
- Durezza: 1.020-1.025 SG
- Compatibilità: Not suitable for typical home aquariums due to size and specific environmental needs. May be compatible with other large, robust marine species in very large public aquariums.
- Requisiti speciali: Requires very large, well-filtered systems with strong water movement and ample swimming space. Diet must consist of high-quality, varied marine proteins. Not typically kept in private aquariums.
Informazioni in natura
- Stato di conservazione: least concern
- Stagionalità: Availability can vary seasonally, with peak catches often occurring during warmer months or specific spawning aggregations, depending on the region.
- Prezzo di mercato: Varies significantly by region and season, often considered a premium whitefish.
- Importanza commerciale: high
- Sapore: Mild, sweet, and clean flavor.
- Consistenza: Firm, flaky, and moist white flesh.
- Metodi di cottura: Grilling, Baking, Pan-frying, Steaming, Ceviche
- Valore nutrizionale: Excellent source of lean protein, omega-3 fatty acids, and essential vitamins and minerals.
Fatti chiave
Sound Productionbehavior
Cilus gilberti, like many sciaenids, can produce distinct 'croaking' or 'drumming' sounds by vibrating specialized muscles against its swim bladder. These sounds are primarily used during spawning aggregations and possibly for communication.
Ecological Roleinteresting
As a benthic predator, Corvina plays an important role in coastal ecosystems, feeding on smaller fish and invertebrates, and in turn, serving as prey for larger marine predators.
Commercial Importanceinteresting
Corvina is a highly valued food fish throughout its range, supporting significant commercial and recreational fisheries, particularly along the coasts of Mexico and Central and South America.
Habitat Versatilitybehavior
This species demonstrates adaptability by inhabiting a range of coastal environments, from high-energy surf zones to calmer estuarine areas, depending on life stage and local conditions.
Informazioni di sicurezza
Sicuro- Livello di sicurezza: safe
- Velenoso: No
- Commestibilità: edible
- Note sul maneggio: No specific handling precautions beyond standard fish handling. Care should be taken with the dorsal fin spines, which can cause minor punctures if not handled carefully, but they are not venomous.
Specie simili
White Seabass
Atractoscion nobilis
White Seabass typically has a more elongated, torpedo-shaped body, a more pointed snout, and often exhibits a faint dark stripe along the lateral line in juveniles. Its dorsal fin is also deeply notched but the overall body profile is more streamlined. Cilus gilberti generally has a deeper body and a less pointed head.
California Corbina
Menticirrhus undulatus
California Corbina possesses a single, fleshy barbel on its chin, which Cilus gilberti lacks. California Corbina also has a more elongated body and a distinctively long, low dorsal fin.
Shortfin Corvina
Cynoscion parvipinnis
Shortfin Corvina has a more slender body and a shorter pectoral fin that typically does not reach the origin of the pelvic fin. Its coloration can also be more golden or brassy, and it often has a more pointed snout.
Classificazione scientifica
- Regno
- Animalia
- Phylum
- Chordata
- Classe
- Actinopterygii
- Ordine
- Acanthuriformes
- Famiglia
- Sciaenidae
- Genere
- Cilus
- Specie
- Cilus gilberti
Esplora Corvina
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