Lepisosteus osseus, Longnose gar : fisheries, gamefish, aquarium

Lepisosteus osseus (Linnaeus, 1758)

Longnose gar
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Lepisosteus osseus
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Classificatie / Names Lokale namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | ITIS | CoL | WoRMS | Cloffa

> Lepisosteiformes (Gars) > Lepisosteidae (Gars)
Etymology: Lepisosteus: Greek, lepis = scale + Greek, osteon = bone; bony sacled (Ref. 45335);  osseus: From the word osseus, meaning bony (Ref. 10294).
More on author: Linnaeus.

Environment: milieu / climate zone / depth range / distribution range Ecologie

; zoet water; brak water demersaal; pH range: 7.0 - 25.0; dH range: 10 - 15; diepte 0 - ? m (Ref. 55225), usually 0 - ? m (Ref. 55225). Subtropical; 12°C - 20°C (Ref. 2060); 48°N - 23°N, 99°W - 69°W (Ref. 55225)

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North and Central America: Atlantic Slope from Delaware River in New Jersey to central Florisa; St. Lawrence River in Quebec through Great Lakes and Mississippi River basin to Red River (Hudson Bay basin), North Dakota, and south to Louisiana; Gulf Slope drainages from central Florida to Rio Grande drainage in Texas and Mexico.

Lengte bij maturiteit / Grootte / Gewicht / Leeftijd

Maturity: Lm 66.9  range ? - 80 cm
Max length : 200 cm TL mannelijk / geslacht onbekend; (Ref. 40637); common length : 17.5 cm TL mannelijk / geslacht onbekend; (Ref. 12193); max. gepubliceerd gewicht: 22.8 kg (Ref. 4699); max. gerapporteerde leeftijd: 36 Jaren (Ref. 12193)

Korte beschrijving Morfologie | Morfometrie

Dorsale stekels (totaal): 0; Dorsale zachte stralen (totaal): 6-9; Anale stekels 0; Anale zachte stralen: 8 - 10. Long narrow snout. Olivaceous brown above and white below. Dark spots on median fins and on body (Ref. 37032). Scales ganoid: thin bony scutes on leading edges of unpaired fins, and on both edges of caudal fin (Ref. 4639).

Biologie     Verklarende woordenlijst (bv. epibenthic)

Facultative air-breathing (Ref. 126274); Adults occur in sluggish pools, backwaters and oxbows of medium to large rivers, and lakes (Ref. 10294). Usually found near vegetation. Occasionally found in brackish waters. Spawning occur in freshwater and possibly slightly brackish water (Ref. 4639). Migrate up rivers during the spawning season (Ref. 4639). Eggs and larvae are demersal and adhesive (Ref. 4639). Voracious predator, feeding on various fishes and crustaceans. The roe is poisonous.

Levenscyclus en paargedrag Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven

Hoofdreferentie Upload your references | Referenties | Coördinator : Wiley, Ed | Medewerkers

Robins, C.R., R.M. Bailey, C.E. Bond, J.R. Brooker, E.A. Lachner, R.N. Lea and W.B. Scott, 1991. Common and scientific names of fishes from the United States and Canada. Am. Fish. Soc. Spec. Publ. (20):183 p. (Ref. 3814)

Status op de Rode Lijst van het IUCN (Ref. 125652)

  Niet bedreigd (LC) ; Date assessed: 14 November 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

Other





Gebruik door de mens

Visserij: van minder commercieel belang; sportvis: ja; Aquarium: Publieke aquaria
FAO - Publication: search | FishSource |

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Estimates based on models

Fylogenetische diversiteitsindex (Ref. 82804):  PD50 = 0.5781   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00302 (0.00121 - 0.00751), b=3.18 (2.96 - 3.40), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trofisch niveau (Ref. 69278):  4.2   ±0.73 se; based on food items.
Weerstandsvermogen (Ref. 120179):  laag, minimale populatieverdubbelingstijd 4,5-14 jaar (tm=3-6; tmax=36; Fec=1,110).
Fishing Vulnerability (Ref. 59153):  High vulnerability (58 of 100).
Prijsklasse (Ref. 80766):   Unknown.
Nutrients (Ref. 124155):  Calcium = 58.5 [30.2, 117.7] mg/100g ; Iron = 1.29 [0.76, 2.18] mg/100g ; Protein = 17.9 [16.7, 19.0] % ; Omega3 = 0.532 [0.260, 1.090] g/100g ; Selenium = 57.1 [22.6, 121.2] μg/100g ; VitaminA = 8.63 [2.52, 30.63] μg/100g ; Zinc = 0.609 [0.411, 0.955] mg/100g (wet weight);