Cynoscion leiarchus, Smooth weakfish : fisheries, gamefish

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Cynoscion leiarchus (Cuvier, 1830)

Smooth weakfish
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Cynoscion leiarchus   AquaMaps   Data sources: GBIF OBIS
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Image of Cynoscion leiarchus (Smooth weakfish)
Cynoscion leiarchus
Picture by Carvalho Filho, A.

Classification / Names Nombres comunes | Sinónimos | Catalog of Fishes(Género, Especie) | 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 / rango de profundidad / distribution range Ecología

marino; salobre demersal; rango de profundidad 10 - 50 m (Ref. 9626), usually ? - 25 m (Ref. 9626). Tropical; 14°N - 27°S, 83°W - 34°W

Distribución Países | Áreas FAO | Ecosistemas | Ocurrencias, apariciones | Mapa de puntos | Introducciones | Faunafri

Western Atlantic: Panama to Santos, Brazil. Also reported in Nicaragua (Ref. 13613).

Tamaño / Peso / Age

Madurez: Lm ?  range ? - ? cm
Max length : 90.8 cm TL macho / no sexado; (Ref. 9626); common length : 35.0 cm TL macho / no sexado; (Ref. 3702); peso máximo publicado: 2.0 kg (Ref. 5217)

Short description Claves de identificación | Morfología | Morfometría

Espinas dorsales (total) : 11; Radios blandos dorsales (total) : 20 - 24; Espinas anales: 2; Radios blandos anales: 8 - 10. Silvery bluish on back, often with greenish reflections. Whitish on belly. Upper sides sometimes with inconspicuous minute dark dots. Soft portion of dorsal fin and caudal fin edged with black, pelvic and anal fins yellowish. Inside of opercle dark, visible externally. Mouth large, pointed, lower jaw projecting. Upper jaw with a pair of large canine-teeth at tip. Chin without barbel or obvious pores. Snout with 2 marginal pores. Gas bladder with a pair of curved, horn-like anterior appendages. Scales small, all cycloid (smooth). Soft dorsal-fin base with 1 or 2 rows of scales along its base (Ref 51721).
Body shape (shape guide): fusiform / normal.

Biología     Glosario (por ej. epibenthic)

Found over mud and sand bottoms in river estuaries. Occurs up to 50 m but usually less than 25 m (Ref. 9626). Marketed fresh and salted.

Life cycle and mating behavior Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva

Main reference Upload your references | Referencias | Coordinador | Colaboradores

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: Version 2025-1)

  Least Concern (LC) ; Date assessed: 11 October 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Pesquerías: comercial; pesca deportiva: si
FAO - Publication: search | FishSource | Sea Around Us

Más información

Ecología Trófica
Food items (preys)
Composición de la dieta
consumo de alimento
Food rations
Despredadores
Ecología
Ecología
Home ranges
Population dynamics
Coeficiente del crecimiento para
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Reclutamiento
Abundancia
Life cycle
Reproducción
Madurez
Maturity/Gills rel.
Fecundidad
Puesta
Spawning aggregations
Huevos
Egg development
Larva
Dinámica larvaria
Distribución
Países
Áreas FAO
Ecosistemas
Ocurrencias, apariciones
Introducciones
BRUVS - Videos
Anatomy
Superficie branquial
Brain
Otolith
Physiology
Body composition
Nutrients
Consumo del oxígeno
Tipo de natación
Velocidad de natación
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Genética
Genome
Genética
Heterozygosity
heritabilidad
Human related
Aquaculture systems
Perfiles de acuicultura
Razas
Ciguatera cases
Stamps, coins, misc.
Outreach
Colaboradores
Taxonomy
Nombres comunes
Sinónimos
Morfología
Morfometría
Imágenes
Referencias
Referencias

Herramientas

E-book | Guía de campo | Claves de identificación | Asistente para frecuencias de tallas | Herramienta de ciclo de vida | Mapa de puntos | Catch-MSY |

Special reports

Check for Aquarium maintenance | Check for Species Fact Sheets | Check for Aquaculture Fact Sheets

Download XML

Summary page | Datos específicos | Nombres comunes | Photos

Fuentes de Internet

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: Género, Especie | 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 | Árbol de la vida | Wikipedia: Go, búsqueda | World Records Freshwater Fishing | Expediente Zoológico

Estimates based on models

Preferred temperature (Referencia 123201): 24.8 - 27.9, mean 27.3 °C (based on 60 cells).
Phylogenetic diversity index (Referencia 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00794 (0.00512 - 0.01231), b=3.07 (2.95 - 3.19), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
Nivel trófico (Referencia 69278):  3.1   ±0.40 se; based on food items.
Generation time: 3.1 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.
Resiliencia (Referencia 120179):  Medio, población duplicada en un tiempo mínimo de 1.4-4.4 años (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Moderate vulnerability (37 of 100). 🛈
Price category (Ref. 80766):   Medium.
Nutrients (Ref. 124155):  Calcium = 93.2 [57.6, 183.3] mg/100g; Iron = 0.965 [0.503, 1.639] mg/100g; Protein = 18.3 [16.7, 20.0] %; Omega3 = 0.195 [0.107, 0.317] g/100g; Selenium = 64.8 [36.2, 121.6] μg/100g; VitaminA = 10.7 [4.4, 26.2] μg/100g; Zinc = 1.17 [0.86, 1.67] mg/100g (wet weight); based on nutrient studies.