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
Photo von Flescher, D.

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

> Eupercaria/misc (Various families in series Eupercaria) > Sciaenidae (Drums or croakers)
More on author: Linnaeus.

Environment: milieu / climate zone / Tiefenbereich / distribution range Ökologie

seewasser riff-verbunden; tiefenbereich 10 - 60 m (Ref. 7251). Tropical; 37°N - 34°S, 98°W - 33°W

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Punkt Karte | Einführungen | Faunafri

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

Size / Gewicht / Alter

Geschlechtsreife: Lm ?  range ? - ? cm
Max length : 25.0 cm TL Männchen/unbestimmt; (Ref. 7251); common length : 15.0 cm TL Männchen/unbestimmt; (Ref. 5217)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt) : 13; Rückenflossenweichstrahlen (insgesamt) : 47 - 55; Afterflossenstacheln: 2; Afterflossenweichstrahlen: 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.

Biologie     Fachlexikon (Englisch) (z.B. 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 Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

Oviparous (Ref. 240).

Hauptreferenz Upload your references | Referenzen | Koordinator | Partner

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 Rote Liste Status (Ref. 130435: Version 2025-1)

  nicht bedroht (LC) ; Date assessed: 09 October 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Reports of ciguatera poisoning (Ref. 30303)





Nutzung durch Menschen

Fischereien: weniger kommerziell; Aquarium: Kommerziell
FAO - Publication: search | FishSource |

Mehr Information

Trophic ecology
Food items (preys)
Nahrungszusammensetzung
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Räuber
Ökologie
Ökologie
Home ranges
Population dynamics
Growth parameters
Max. ages / sizes
Length-weight rel.
Length-length rel.
Längenhäufigkeiten
Mass conversion
Rekrutierung
Dichte
Life cycle
Fortpflanzung
Geschlechtsreife
Maturity/Gills rel.
Fecundity
Ablaichen
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Swimming type
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Visual pigments
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Toxicity (LC50s)
Genetik
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Genetik
Heterozygosity
Vererbbarkeit
Human related
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Internet Quellen

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | FishWatcher Einträge suchen | CISTI | Catalog of Fishes: Gattung, Arten | DiscoverLife | DORIS | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | Nationale Datenbanken | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | Öffentliche Aquarien | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Tree of Life | Wikipedia: Gehe zu, Suchen | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201): 22.7 - 28, mean 25.7 °C (based on 274 cells).
Phylogenetic diversity index (Ref. 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).
Trophic level (Ref. 69278):  3.4   ±0.4 se; based on diet studies.
Widerstandsfähigkeit (Ref. 120179):  hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (15 of 100). 🛈
Preiskategorie (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);