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Cynoscion virescens (Cuvier, 1830)

Green weakfish
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Native range | All suitable habitat | Point map | Year 2050
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Cynoscion virescens   AquaMaps   Data sources: GBIF OBIS
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Image of Cynoscion virescens (Green weakfish)
Cynoscion virescens
Photo de JAMARC

Classification / Names Noms communs | Synonymes | Catalog of Fishes(Genre, Espèce) | ITIS | CoL | WoRMS | Cloffa

> Eupercaria/misc (Various families in series Eupercaria) > Sciaenidae (Drums or croakers)
Etymology: Cynoscion: Greek, kyon = dog + Greek, odous = teeth + Greek, skion, skiaina = barbel, red mullet (Ref. 45335).
More on author: Cuvier.

Environment: milieu / climate zone / profondeur / distribution range Écologie

marin; saumâtre démersal; profondeur 6 - 70 m (Ref. 3702). Tropical; 14°N - 24°S, 84°W - 34°W

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Carte par point | Introductions | Faunafri

Western Atlantic: Nicaragua to Santos, Brazil.

Taille / Poids / Âge

Maturité: Lm ?  range ? - ? cm
Max length : 115 cm TL mâle / non sexé; (Ref. 40637); common length : 65.0 cm TL mâle / non sexé; (Ref. 3702); poids max. publié: 4.4 kg (Ref. 125970)

Description synthétique Clés d'identification | Morphologie | Morphométrie

Épines dorsales (Total) : 11; Rayons mous dorsaux (Total) : 27 - 31; Épines anales: 2; Rayons mous anaux: 8. Greyish to brownish above, silvery below. Upper sides sometimes with inconspicuous minute dark dots. Dorsal fin dusky, its spinous portion black-edged. Soft dorsal fin with dark spots on each ray. Pectoral and pelvic fins as well as anal fin yellowish to orange. Caudal fin dusky. Inside mouth orange. Mouth large, distinctly oblique, lower jaw projecting. Upper jaw with a pair of large canine-like teeth at tip. Chin without barbels or pores. Snout with 2 marginal pores. Gas bladder with a pair of long, curved, horn-like appendages. Sagitta (large earstone) elongate, with a notch on dorsal margin. Soft portion of dorsal fin membranes unscaled except 2 or 3 rows of scales at base (Ref 51721).
Body shape (shape guide): fusiform / normal.

Biologie     Glossaire (ex. epibenthic)

Usually found over sandy mud bottoms in coastal waters near river mouths (Ref. 3702). Adults stay in deep waters during the day and swim to the surface at night (Ref. 35237). Juveniles inhabit estuaries. Marketed fresh; its flesh is of excellent quality (Ref. 3702). Its swim bladder is being used to make glue (Ref. 35237).

Life cycle and mating behavior Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

Référence principale Upload your references | Références | Coordinateur | Collaborateurs

Cervigón, F., 1993. Los peces marinos de Venezuela. Volume 2. Fundación Científica Los Roques, Caracas,Venezuela. 497 p. (Ref. 9626)

Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-2)

  Préoccupation mineure (LC) ; Date assessed: 15 January 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

  Harmless





Utilisations par l'homme

Pêcheries: commercial; pêche sportive: oui
FAO - Publication: search | FIRMS - Stock assessments | FishSource | Sea Around Us

Plus d'informations

Écologie trophique
Food items (preys)
Composition du régime alimentaire
Consommation alimentaire
Food rations
Prédateurs
Écologie
Écologie
Home ranges
Population dynamics
Paramètres de croissance
Max. ages / sizes
Length-weight rel.
Length-length rel.
Fréquences de longueurs
Mass conversion
Recrutement
Abondance
Life cycle
Reproduction
Maturité
Maturity/Gills rel.
Fécondité
Frai
Spawning aggregations
Œufs
Développement de l'œuf
Larves
Dynamique des populations larvaires
Distribution
Pays
Zones FAO
Écosystèmes
Occurrences
Introductions
BRUVS - Videos
Anatomy
Surface branchiale
Brain
Otolith
Physiology
Body composition
Nutrients
Consommation d'oxygène
Type de nage
Vitesse de nage
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Génétique
génôme
Génétique
Heterozygosity
Héritabilité
Human related
Aquaculture systems
Profils d'aquaculture
Souches
Ciguatera cases
Stamps, coins, misc.
Outreach
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Références
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Sources Internet

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | FishWatcher | CISTI | Catalog of Fishes: Genre, Espèce | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Arbre de Vie | Wikipedia: aller à, chercher | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Preferred temperature (Réf. 123201): 26.7 - 28, mean 27.4 °C (based on 112 cells).
Phylogenetic diversity index (Réf. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00661 (0.00533 - 0.00819), b=3.06 (3.04 - 3.08), in cm total length, based on LWR estimates for this species (Ref. 93245).
Niveau trophique (Réf. 69278):  4.0   ±0.70 se; based on food items.
Résilience (Réf. 120179):  Faible, temps minimum de doublement de population : 4,5 à 14 années (Preliminary K or Fecundity.).
Prior r = 0.26, 95% CL = 0.17 - 0.38, Based on 1 data-limited stock assessment.
Fishing Vulnerability (Ref. 59153):  High to very high vulnerability (69 of 100). 🛈
Catégorie de prix (Ref. 80766):   Medium.
Nutrients (Ref. 124155):  Calcium = 67.7 [40.4, 126.2] mg/100g; Iron = 0.787 [0.413, 1.359] mg/100g; Protein = 18.5 [17.0, 20.3] %; Omega3 = 0.208 [0.114, 0.339] g/100g; Selenium = 65.4 [34.7, 122.1] μg/100g; VitaminA = 13.3 [5.1, 37.4] μg/100g; Zinc = 0.939 [0.680, 1.330] mg/100g (wet weight);