Cynoscion virescens, Green weakfish : fisheries, gamefish

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Cynoscion virescens (Cuvier, 1830)

Green weakfish
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This map was computer-generated and has not yet been reviewed.
Cynoscion virescens   AquaMaps   Data sources: GBIF OBIS
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Image of Cynoscion virescens (Green weakfish)
Cynoscion virescens
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Classificatie / Names Lokale namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | 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 / depth range / distribution range Ecologie

marien; brak water demersaal; diepte 6 - 70 m (Ref. 3702). Tropical; 14°N - 24°S, 84°W - 34°W

Verspreiding Landen | FAO regio's | Ecosystemen | Voorkomen | Point map | Introducties | Faunafri

Western Atlantic: Nicaragua to Santos, Brazil.

Grootte / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 115 cm TL mannelijk / geslacht onbekend; (Ref. 40637); common length : 65.0 cm TL mannelijk / geslacht onbekend; (Ref. 3702); max. gepubliceerd gewicht: 4.4 kg (Ref. 125970)

Korte beschrijving Morfologie | Morfometrie

Dorsale stekels (totaal): 11; Dorsale zachte stralen (totaal): 27-31; Anale stekels 2; Anale zachte stralen: 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).

Biologie     Verklarende woordenlijst (bv. 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).

Levenscyclus en paargedrag Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven

Hoofdreferentie Upload your references | Referenties | Coördinator | Medewerkers

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

Status op de Rode Lijst van het IUCN (Ref. 130435)

  Niet bedreigd (LC) ; Date assessed: 15 January 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Harmless





Gebruik door de mens

Visserij: commercieel; sportvis: ja
FAO - Publication: search | FIRMS - Stock assessments | FishSource | Sea Around Us

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AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Bekijk FishWatcher | CISTI | Catalog of Fishes: Genus, Soort(en) | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genoom, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: ga naar, zoek | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201): 26.7 - 28, mean 27.4 °C (based on 112 cells).
Fylogenetische diversiteitsindex (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00661 (0.00531 - 0.00822), b=3.06 (3.04 - 3.08), in cm total length, based on LWR estimates for this species (Ref. 93245).
Trofisch niveau (Ref. 69278):  4.0   ±0.70 se; based on food items.
Weerstandsvermogen (Ref. 120179):  laag, minimale populatieverdubbelingstijd 4,5-14 jaar (Preliminary K or Fecundity.).
Prior r = 0.26, 95% CL = 0.14 - 0.46, Based on 1 stock assessment.
Fishing Vulnerability (Ref. 59153):  High to very high vulnerability (69 of 100).
Prijsklasse (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);