Cynoscion steindachneri, Smalltooth weakfish : fisheries, aquaculture

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Cynoscion steindachneri (Jordan, 1889)

Smalltooth weakfish
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Cynoscion steindachneri   AquaMaps   Data sources: GBIF OBIS
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Image of Cynoscion steindachneri (Smalltooth weakfish)
Cynoscion steindachneri
Picture by Krumme, U.

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).
Eponymy: Franz Steindachner (1834–1919) was an Austrian zoologist who specialised in herpetology and ichthyology. [...] (Ref. 128868), visit book page.
More on author: Jordan.

Environment: milieu / climate zone / distribuzione batimetrica / distribution range Ecologia

marino; acqua dolce; salmastro demersale; distribuzione batimetrica 1 - 10 m (Ref. 3702). Tropical; 11°N - 9°S, 46°W - 62°W

Distribuzione Stati | Aree FAO | Ecosystems | Presenze | Mappa dei ritrovamenti | Introduzioni | Faunafri

Western Atlantic: Guyana to northern Brazil.

Size / Peso / Age

Maturità: Lm ?  range ? - ? cm
Max length : 110 cm TL maschio/sesso non determinato; (Ref. 9626); common length : 45.0 cm TL maschio/sesso non determinato; (Ref. 3702)

Short description Chiavi di identificazione | Morfologia | Morfometria

Spine dorsali (totale) : 11; Raggi dorsali molli (totale) : 21 - 24; Spine anali: 2; Raggi anali molli: 10 - 12. Colour greyish above, whitish below. Dorsal fin dusky, upper margin of pectoral fins orange, pelvic fins and anal fin pale, caudal fin grey with a dark margin. Inside of mouth orange. Mouth large, distinctly oblique, lower jaw projecting. Tip of upper jaw without enlarged canines. Chin without barbels or pores. Snout with only 2 marginal pores. Pectoral fins much shorter than pelvic fins. Gas bladder with a pair of medium-sized, nearly straight, horn-like anterior appendages. Soft portion of dorsal fin almost entirely covered with small scales (Ref 51721).
Body shape (shape guide): fusiform / normal.

Biologia     Glossario (es. epibenthic)

Mostly in brackish water swamps along the coasts; also entering freshwaters (Ref. 3702). Feeds on fish, shrimps and sometimes plants (Ref. 35237). Spawning takes place in the open sea. Important food fish (Ref. 3702).

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 2025-1)

  Least Concern (LC) ; Date assessed: 16 October 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Pesca: commerciale; Acquacoltura: sperimentale
FAO - Publication: search | FishSource | Sea Around Us

Informazioni ulteriori

Trophic ecology
Food items (preys)
Alimentazione
Consumo di cibo
Food rations
Predatori
Ecologia
Ecologia
Home ranges
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
Distribuzione
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)
Genetica
Genome
Genetica
Heterozygosity
Ereditarietà
Human related
Aquaculture systems
Profili di acquacoltura
Varietà
Ciguatera cases
Stamps, coins, misc.
Outreach
Collaboratori
Bibliografia
Bibliografia

Strumenti

Special reports

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Fonti Internet

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: Genere, Specie | 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 | Tree of Life | Wikipedia: Go, ricerca | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Preferred temperature (Fonte Biblio. 123201): 26.7 - 28.4, mean 27.7 °C (based on 103 cells).
Phylogenetic diversity index (Fonte Biblio. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00832 (0.00386 - 0.01791), b=3.07 (2.90 - 3.24), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
Trophic level (Fonte Biblio. 69278):  3.3   ±0.53 se; based on food items.
Resilienza (Fonte Biblio. 120179):  Basso, tempo minimo di raddoppiamento della popolazione 4.5 - 14 anni (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  High to very high vulnerability (66 of 100). 🛈
Price category (Ref. 80766):   Medium.
Nutrients (Ref. 124155):  Calcium = 79.6 [48.9, 162.6] mg/100g; Iron = 0.858 [0.433, 1.558] mg/100g; Protein = 18.4 [16.8, 20.1] %; Omega3 = 0.159 [0.082, 0.271] g/100g; Selenium = 44.7 [24.9, 91.1] μg/100g; VitaminA = 12.5 [4.7, 33.4] μg/100g; Zinc = 1.17 [0.84, 1.68] mg/100g (wet weight);