Cynoscion nothus, Silver seatrout : fisheries, gamefish

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Cynoscion nothus (Holbrook, 1848)

Silver seatrout
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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 nothus   AquaMaps   Data sources: GBIF OBIS
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Image of Cynoscion nothus (Silver seatrout)
Cynoscion nothus
Photo von NOAA\NMFS\Mississippi Laboratory

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).

Environment: milieu / climate zone / Tiefenbereich / distribution range Ökologie

seewasser; brackwasser demersal; tiefenbereich 2 - 18 m (Ref. 1183). Subtropical; 39°N - 9°N, 98°W - 59°W

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Punkt Karte | Einführungen | 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 / Size / Gewicht / Alter

Geschlechtsreife: Lm 15.8, range 14 - 17 cm
Max length : 36.0 cm TL Männchen/unbestimmt; (Ref. 3702); common length : 25.0 cm TL Männchen/unbestimmt; (Ref. 3702); max. veröff. Alter: 1.20 Jahre (Ref. 31629)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt) : 11; Rückenflossenweichstrahlen (insgesamt) : 26 - 31; Afterflossenstacheln: 2; Afterflossenweichstrahlen: 8 - 11; Wirbelzahl: 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     Fachlexikon (Englisch) (z.B. 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 Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

Hauptreferenz Upload your references | Referenzen | Koordinator | Partner

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)

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

  nicht bedroht (LC) ; Date assessed: 15 October 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Harmless





Nutzung durch Menschen

Fischereien: weniger kommerziell; Sportfisch: ja
FAO - Publication: search | FishSource | Sea Around Us

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Estimates based on models

Preferred temperature (Ref. 123201): 23.4 - 28, mean 26.8 °C (based on 492 cells).
Phylogenetic diversity index (Ref. 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).
Trophic level (Ref. 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.
Widerstandsfähigkeit (Ref. 120179):  mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (K=0.22).
Fishing Vulnerability (Ref. 59153):  Moderate vulnerability (38 of 100). 🛈
Preiskategorie (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.