Eques lanceolatus, Jack-knifefish : fisheries, aquarium

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Eques lanceolatus (Linnaeus, 1758)

Jack-knifefish
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Image of Eques lanceolatus (Jack-knifefish)
Eques lanceolatus
Picture by Flescher, D.

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)
More on author: Linnaeus.

Environment: milieu / climate zone / rango de profundidad / distribution range Ecología

marino asociado a arrecife; rango de profundidad 10 - 60 m (Ref. 7251). Tropical; 37°N - 34°S, 98°W - 33°W

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

Western Atlantic: Bermuda and North Carolina, USA to Rio de Janeiro, Brazil (Ref. 57756).

Tamaño / Peso / Age

Madurez: Lm ?  range ? - ? cm
Max length : 25.0 cm TL macho / no sexado; (Ref. 7251); common length : 15.0 cm TL macho / no sexado; (Ref. 5217)

Short description Claves de identificación | Morfología | Morfometría

Espinas dorsales (total) : 13; Radios blandos dorsales (total) : 47 - 55; Espinas anales: 2; Radios blandos anales: 16. Very high first dorsal fin with a short base (Ref. 26938). Gray with three white-edged dark brown to black bands, the first running vertically through eye, the second from nape across operculum and chest to front of pelvic fins, and the last beginning on first dorsal fin and running to end of caudal fin (Ref. 13442). Third and widest band from tip of high dorsal fin, curving along length of body to tip of tail (Ref. 26938).
Body shape (shape guide): fusiform / normal.

Biología     Glosario (por ej. epibenthic)

Inhabits bays and sounds; also deep coral reefs (Ref. 9710). Juveniles sometimes inshore (Ref. 9710). Easily approached (Ref. 9710). Has been reared in captivity (Ref. 35420). Feeds mainly on small shrimps and crabs, but also on polychaete worms and gastropod mollusks (Ref. 13442).

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

Oviparous (Ref. 240).

Main reference Upload your references | Referencias | Coordinador | 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)

IUCN Red List Status (Ref. 130435: Version 2025-1)

  Least Concern (LC) ; Date assessed: 09 October 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Reports of ciguatera poisoning (Ref. 30303)





Human uses

Pesquerías: escaso valor comercial; Acuario: Comercial
FAO - Publication: search | FishSource |

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
Referencias
Referencias

Herramientas

Special reports

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Fuentes de Internet

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: Género, Especie | DiscoverLife | DORIS | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | Bases de datos nacionales | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | Acuarios públicos | 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): 22.7 - 28, mean 25.7 °C (based on 274 cells).
Phylogenetic diversity index (Referencia 82804):  PD50 = 0.7500   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00708 (0.00418 - 0.01200), b=3.20 (3.06 - 3.34), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Nivel trófico (Referencia 69278):  3.4   ±0.4 se; based on diet studies.
Resiliencia (Referencia 120179):  Alto, población duplicada en un tiempo mínimo inferior a 15 meses (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (15 of 100). 🛈
Price category (Ref. 80766):   Medium.
Nutrients (Ref. 124155):  Calcium = 73.2 [37.3, 116.6] mg/100g; Iron = 0.682 [0.347, 1.133] mg/100g; Protein = 19.5 [18.2, 20.8] %; Omega3 = 0.147 [0.081, 0.219] g/100g; Selenium = 33.1 [19.8, 60.4] μg/100g; VitaminA = 80.2 [27.1, 259.9] μg/100g; Zinc = 1.34 [0.94, 1.91] mg/100g (wet weight);