Cynoscion nothus, Silver seatrout : fisheries, gamefish

You can sponsor this page

Cynoscion nothus (Holbrook, 1848)

Silver seatrout
Ajouter votre observation dans Fish Watcher
Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Cynoscion nothus   AquaMaps   Data sources: GBIF OBIS
Envoyez vos Photos et vidéos
Images | Images Google
Image of Cynoscion nothus (Silver seatrout)
Cynoscion nothus
Photo de NOAA\NMFS\Mississippi Laboratory

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).

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

marin; saumâtre démersal; profondeur 2 - 18 m (Ref. 1183). Subtropical; 39°N - 9°N, 98°W - 59°W

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

Western Atlantic: Maryland to northeastern Florida in the USA and throughout Gulf of Mexico. Reported from Campeche Bank in Mexico (Ref. 5733). Often misidentified as Cynoscion regalis (Ref. 3702).

Length at first maturity / Taille / Poids / Âge

Maturité: Lm 15.8, range 14 - 17 cm
Max length : 36.0 cm TL mâle / non sexé; (Ref. 3702); common length : 25.0 cm TL mâle / non sexé; (Ref. 3702); âge max. reporté: 1.20 années (Ref. 31629)

Description synthétique Clés d'identification | Morphologie | Morphométrie

Épines dorsales (Total) : 11; Rayons mous dorsaux (Total) : 26 - 31; Épines anales: 2; Rayons mous anaux: 8 - 11; Vertèbres: 27. Colour greyish above and changing abruptly to silvery below. Back and upper sides sometimes with very faint irregular rows of spots. Dorsal fin dusky, other fins pale to yellowish. Mouth large, oblique, lower jaw projecting. Upper jaw with a pair of large canine-like teeth at tip. Lower jaw with a row of sharp enlarged inner-row teeth, widely spaced. Chin without barbels or pores. Snout with 2 marginal pores. Gas bladder with a pair of straight, horn-like anterior appendages. Soft portion of dorsal fin covered with small scales on basal half of in (Ref 51721).
Body shape (shape guide): fusiform / normal.

Biologie     Glossaire (ex. epibenthic)

Occurs usually over sandy bottoms in inshore waters along beaches and in river mouths. Feeds mainly on crustaceans and fishes.

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

Référence principale Upload your references | Références | Coordinateur | Collaborateurs

Robins, C.R. and G.C. Ray, 1986. A field guide to Atlantic coast fishes of North America. Houghton Mifflin Company, Boston, U.S.A. 354 p. (Ref. 7251)

Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-1)

  Préoccupation mineure (LC) ; Date assessed: 15 October 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

  Harmless





Utilisations par l'homme

Pêcheries: intérêt commercial mineur; pêche sportive: oui
FAO - Publication: search | 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
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
Collaborateurs
Références
Références

Outils

Articles particuliers

Télécharger en XML

Sources Internet

Estimates based on models

Preferred temperature (Réf. 123201): 23.4 - 28, mean 26.8 °C (based on 492 cells).
Phylogenetic diversity index (Réf. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01230 (0.00776 - 0.01949), b=3.01 (2.88 - 3.14), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
Niveau trophique (Réf. 69278):  4.0   ±0.60 se; based on food items.
Generation time: 5.0 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.
Résilience (Réf. 120179):  Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (K=0.22).
Fishing Vulnerability (Ref. 59153):  Moderate vulnerability (38 of 100). 🛈
Catégorie de prix (Ref. 80766):   Medium.
Nutrients (Ref. 124155):  Calcium = 88.6 [49.6, 178.0] mg/100g; Iron = 0.932 [0.487, 1.800] mg/100g; Protein = 19 [18, 21] %; Omega3 = 0.33 [0.18, 0.55] g/100g; Selenium = 16 [8, 33] μg/100g; VitaminA = 17.9 [5.9, 62.9] μg/100g; Zinc = 0.905 [0.638, 1.335] mg/100g (wet weight); based on nutrient studies.