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Cynoscion nebulosus (Cuvier, 1830)

Spotted weakfish
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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 nebulosus   AquaMaps   Data sources: GBIF OBIS
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Image of Cynoscion nebulosus (Spotted weakfish)
Cynoscion nebulosus
Picture by Flescher, D.

Classificação / Names Nomes comuns | Sinônimos | Catalog of Fishes(Gênero, Espécies) | 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

marinhas; estuarina demersal; não migratória (Ref. 94474); intervalo de profundidade 10 - ? m (Ref. 9988). Subtropical; 42°N - 15°N, 83°W - 70°W (Ref. 94474)

Distribuição Países | Áreas da FAO | Ecossistemas | Ocorrências | Point map | Introduções | Faunafri

Western Atlantic: New York to southern Florida in USA and the entire Gulf of Mexico. Northeastern Atlantic: recently reported from Guadalquivir River estuary in Spain (Ref. 94474).

Comprimento de primeira maturação / Tamanho / Peso / Idade

Maturity: Lm 26.8, range 25 - 35 cm
Max length : 100.0 cm TL macho/indeterminado; (Ref. 40637); common length : 36.0 cm TL macho/indeterminado; (Ref. 3702); peso máx. publicado: 7.9 kg (Ref. 40637); idade máx. registrada: 18 anos (Ref. 12193)

Descrição suscinta Chaves de identificação | Morfologia | Morfometria

Espinhos dorsais (total) : 9 - 11; Raios dorsais (total) : 25 - 28; Espinhos anais: 2; Raios anais : 10 - 11. Body silvery, dark grey on back with bluish reflections and numerous round black spots irregularly scattered on upper half, extending to dorsal and caudal fin. Spinous 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 an enlarged inner row of teeth, uniform in size and closely set. Chin without barbels or pores. Snout with 2 marginal pores. Gas bladder with a pair of nearly straight horn-like appendages. Soft portion of dorsal fin unscaled (Ref 51721).

Biologia     Glossário (p.ex. epibenthic)

Inhabits river estuaries and shallow coastal marine waters over sand bottoms, often associated with seagrass beds. Also occurs in salt marshes and tidal pools of high salinity. Feeds mainly on crustaceans and fishes. An important food and sport fish throughout its range. Utilized fresh for steaming, broiling and baking (Ref. 9988).

Ciclo de vida ou comportamento de acasalamento Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas

Referência principal Upload your references | Referências | Coordenador | Colaboradores

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)

Status na Lista Vermelha da UICN (Ref. 130435: Version 2024-1)

  Segura ou pouco preocupante (LC) ; Date assessed: 03 February 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Ameaça para os humanos

  Harmless





Uso pelos humanos

Pescarias: espécies comerciais; peixe esportivo: sim
FAO - pescarias: desembarques; Publication: search | FishSource | Sea Around Us

Mais informação

Trophic ecology
Itens alimentares
Composição da dieta
Consumo alimentar
Food rations
Predadores
Ecology
Ecologia
Population dynamics
Parâmetros de crescimento
Max. ages / sizes
Length-weight rel.
Length-length rel.
Frequências de comprimento
Conversão de massa
Recrutamento
Abundância
Life cycle
Reprodução
Maturidade
Maturity/Gills rel.
Fecundidade
Desova
Spawning aggregations
Ovos
Desenvolvimento dos ovos
Larvas
Dinâmica larval
Anatomy
Área branquial
Brain
Otolith
Physiology
Body composition
Nutrients
Consumo de oxigênio
Tipo de natação
Velocidade de natação
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Genetics
Genética
Heterozygosity
Hereditariedade
Human related
Aquaculture systems
Perfis para aquacultura
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Ciguatera cases
Stamps, coins, misc.
Outreach
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References
Referências

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Fontes da internet

Estimates based on models

Preferred temperature (Ref. 123201): 12 - 26.7, mean 24.3 °C (based on 88 cells).
Índice de diversidade filogenética (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00813 (0.00499 - 0.01323), b=3.05 (2.92 - 3.18), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
Nível Trófico (Ref. 69278):  4.0   ±0.66 se; based on food items.
Generation time: 5.8 (4.0 - 6.7) years. Estimated as median ln(3)/K based on 13 growth studies.
Resiliência (Ref. 120179):  médio(a), tempo mínimo de duplicação da população 1,4 - 4,4 anos (K=0.2-0.3; tmax=18; tm=1; Fec=1 million).
Prior r = 0.69, 95% CL = 0.46 - 1.04, Based on 1 data-limited stock assessment.
Fishing Vulnerability (Ref. 59153):  High vulnerability (58 of 100).
Climate Vulnerability (Ref. 125649):  High vulnerability (60 of 100).
Categoria de preço (Ref. 80766):   Medium.
Nutrients (Ref. 124155):  Calcium = 43.1 [25.3, 82.0] mg/100g; Iron = 0.771 [0.408, 1.320] mg/100g; Protein = 19.1 [17.7, 20.8] %; Omega3 = 0.33 [0.20, 0.51] g/100g; Selenium = 30.9 [16.5, 56.8] μg/100g; VitaminA = 9.52 [3.34, 29.64] μg/100g; Zinc = 0.667 [0.495, 0.966] mg/100g (wet weight);