Cynoscion virescens, Green weakfish : fisheries, gamefish

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Cynoscion virescens (Cuvier, 1830)

Green weakfish
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Native range | All suitable habitat | Point map | Year 2050
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
Photo von JAMARC

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | 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 / Tiefenbereich / distribution range Ökologie

seewasser; brackwasser demersal; tiefenbereich 6 - 70 m (Ref. 3702). Tropical; 14°N - 24°S, 84°W - 34°W

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Punkt Karte | Einführungen | Faunafri

Western Atlantic: Nicaragua to Santos, Brazil.

Size / Gewicht / Alter

Geschlechtsreife: Lm ?  range ? - ? cm
Max length : 115 cm TL Männchen/unbestimmt; (Ref. 40637); common length : 65.0 cm TL Männchen/unbestimmt; (Ref. 3702); max. veröff. Gewicht: 4.4 kg (Ref. 125970)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt) : 11; Rückenflossenweichstrahlen (insgesamt) : 27 - 31; Afterflossenstacheln: 2; Afterflossenweichstrahlen: 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     Fachlexikon (Englisch) (z.B. 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 Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

Hauptreferenz Upload your references | Referenzen | Koordinator | Partner

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

IUCN Rote Liste Status (Ref. 130435: Version 2025-1)

  nicht bedroht (LC) ; Date assessed: 15 January 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Harmless





Nutzung durch Menschen

Fischereien: kommerziell; Sportfisch: ja
FAO - Publication: search | FIRMS - Stock assessments | FishSource | Sea Around Us

Mehr Information

Trophic ecology
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Nahrungszusammensetzung
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Ökologie
Ökologie
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Population dynamics
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Max. ages / sizes
Length-weight rel.
Length-length rel.
Längenhäufigkeiten
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Rekrutierung
Dichte
Life cycle
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Internet Quellen

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | FishWatcher Einträge suchen | CISTI | Catalog of Fishes: Gattung, Arten | 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 | Tree of Life | Wikipedia: Gehe zu, Suchen | 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).
Phylogenetic diversity index (Ref. 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).
Trophic level (Ref. 69278):  4.0   ±0.70 se; based on food items.
Widerstandsfähigkeit (Ref. 120179):  niedrig, Verdopplung der Population dauert 4,5 - 14 Jahre. (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). 🛈
Preiskategorie (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);