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Cynoscion leiarchus (Cuvier, 1830)

Smooth weakfish
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Native range | All suitable habitat | Point map | Year 2050
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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 Nomi Comuni | Sinonimi | Catalog of Fishes(Genere, Specie) | 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 Ecologia

marino; salmastro demersale; distribuzione batimetrica 10 - 50 m (Ref. 9626), usually ? - 25 m (Ref. 9626). Tropical; 14°N - 27°S, 83°W - 34°W

Distribuzione Stati | Aree FAO | Ecosystems | Presenze | Point map | Introduzioni | Faunafri

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

Size / Peso / Age

Maturity: Lm ?  range ? - ? cm
Max length : 90.8 cm TL maschio/sesso non determinato; (Ref. 9626); common length : 35.0 cm TL maschio/sesso non determinato; (Ref. 3702); peso massimo pubblicato: 2.0 kg (Ref. 5217)

Short description Chiavi di identificazione | Morfologia | Morfometria

Spine dorsali (totale) : 11; Raggi dorsali molli (totale) : 20 - 24; Spine anali: 2; Raggi anali molli: 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).

Biologia     Glossario (es. 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 Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve

Main reference Upload your references | Bibliografia | Coordinatore | Collaboratori

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 2024-2)

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

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Pesca: commerciale; Pesce da pesca sportiva: si
FAO - Publication: search | FishSource | Sea Around Us

Informazioni ulteriori

Trophic ecology
Prede
Alimentazione
Consumo di cibo
Food rations
Predatori
Ecology
Ecologia
Population dynamics
Growth parameters
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Reclutamento
Abbondanza
Life cycle
Riproduzione
Maturità
Maturity/Gills rel.
Fecundity
Deposizione
Spawning aggregations
Uova
Egg development
Larve
Dinamica popolazioni larvali
Distribution
Stati
Aree FAO
Ecosystems
Presenze
Introduzioni
BRUVS - Videos
Anatomy
Area branchiale
Brain
Otolith
Physiology
Body composition
Nutrients
Oxygen consumption
Swimming type
Swimming speed
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Genetics
Genetica
Heterozygosity
Ereditarietà
Human related
Aquaculture systems
Profili di acquacoltura
Varietà
Ciguatera cases
Stamps, coins, misc.
Outreach
Collaboratori
Taxonomy
Nomi Comuni
Sinonimi
Morfologia
Morfometria
Immagini
References
Bibliografia

Strumenti

E-book | Giuda pratica | Chiavi di identificazione | Generatore frequenze di lunghezza | Strumento Parametri Biologici | Mappa dei ritrovamenti | Classification Tree | Catch-MSY |

Special reports

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

Download XML

Summary page | Point data | Nomi Comuni | Photos

Fonti Internet

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: Genere, Specie | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go, ricerca | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201): 24.8 - 27.9, mean 27.3 °C (based on 60 cells).
Phylogenetic diversity index (Ref. 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).
Trophic level (Ref. 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.
Resilienza (Ref. 120179):  Medio, tempo minimo di raddoppiamento della popolazione 1.4 - 4.4 anni (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.