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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
Picture by JAMARC


Brazil country information

Common names: Bacalhau, Camacu, Cambucu
Occurrence: native
Salinity: brackish
Abundance: | Ref:
Importance: commercial | Ref: Barreto, T.M.R.R., K.M.F. Freire, J.J.C. Reis-Júnior, L.C. Rosa, A. Carvalho-Filho and M.M. Rotundo, 2018
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Also Ref. 26938. Caught by shrimp trawl in Pirambu, Sergipe (Ref. 118626). Also in Ref. 122009.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/br.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Cervigón, F., R. Cipriani, W. Fischer, L. Garibaldi, M. Hendrickx, A.J. Lemus, R. Márquez, J.M. Poutiers, G. Robaina and B. Rodriguez, 1992
National Database:

Common names from other countries

Classification / Names Populärnamn | synonymer | Catalog of Fishes(Släkte, Arter) | 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 Ekologi

marina; brackvatten bottenlevande; djupintervall 6 - 70 m (Ref. 3702).   Tropical; 14°N - 24°S, 84°W - 34°W

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | Faunafri

Western Atlantic: Nicaragua to Santos, Brazil.

Size / Vikt / Age

Maturity: Lm ?  range ? - ? cm
Max length : 115 cm TL hane/ej könsbestämd; (Ref. 40637); common length : 65.0 cm TL hane/ej könsbestämd; (Ref. 3702); publicerad maxvikt: 4.4 kg (Ref. 125970)

Short description Morfologi | Morfometri

Taggstrålar i ryggfenan (totalt): 11; Mjukstrålar i ryggfenan (totalt): 27-31; Taggstrålar i analfenan 2; Mjukstrålar i analfenan: 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).

Biologi     Ordlista (t.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 Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

Main reference Upload your references | referenser | Koordinator | Medarbetare

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

IUCN Red List Status (Ref. 130435)

  Least Concern (LC) ; Date assessed: 15 January 2020

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fiskeri: kommersiell; sportfisk: ja
FAO(Publication : search) | FIRMS (Stock assessments) | FishSource | Sea Around Us

Ytterligare information

Länder
FAO områden
Ekosystem
Förekomster
Utplanteringar
Stocks
Ekologi
Föda
Födoslag
Födointag
Näringsinnehåll
Populärnamn
synonymer
Metabolik
Predatorer
Ekotoxikologi
Reproduktion
Könsmognad
Lek
Fecundity
Ägg
Egg development
referenser
Vattenbruk
Vattenbruksprofil
Avelslinjer
Genetik
Electrophoreses
Ärftlighet
Sjukdomar
Behandling
Mass conversion
Medarbetare
Bilder
Stamps, Coins Misc.
Ljud
Ciguatera
Hastighet
Simsätt
Gälyta
Otoliths
Hjärnstorlek
Syn

Verktyg

Special reports

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Internet-källor

Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes(Släkte, Arter) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GloBI | GOBASE | | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Scirus | SeaLifeBase | Tree of Life | Wikipedia(Go, sök) | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Preferred temperature (Ref. 115969): 26.7 - 28, mean 27.4 (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 (0.00531 - 0.00822), b=3.06 (3.04 - 3.08), in cm Total Length, based on LWR estimates for this species (Ref. 93245).
Trofisk nivå (Ref. 69278):  4.0   ±0.70 se; based on food items.
Resiliens (Ref. 120179):  Låg, lägsta populationsfördubblingstid 4,5-14 år (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).
Price category (Ref. 80766):   Medium.