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Acipenser brevirostrum Lesueur, 1818

Shortnose sturgeon
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Acipenser brevirostrum   AquaMaps   Data sources: GBIF OBIS
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Acipenser brevirostrum
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United States (contiguous states) country information

Common names: Pinkster, Shortnose sturgeon
Occurrence: native
Salinity: freshwater
Abundance: occasional (usually not seen) | Ref: Page, L.M. and B.M. Burr, 1991
Importance: | Ref:
Aquaculture: | Ref:
Regulations: protected | Ref:
Uses: no uses
Comments: Found possibly before Delaware and Potomac rivers, also recorded from Virginia (Ref. 4639). Dredging of rivers (e.g. Hudson) greatly increases siltation thus reducing food availability during the onset of exogenous feeding of the larvae. Dams block access to spawning sites of many rivers. Listed under the U.S. Endangered Species Act; the Hudson R. stock has increased in number and now considered stable but as the stock recovers, poaching may become a problem. However, the Connecticut R. stock has not increased markedly and the southern populations continue to be threatened with extinction (Ref. 38308). Also Ref. 11975 ,93252, 27549. Status of threat: endangered; status declined since 1989. Criteria: 1,2 (http://fisc.er.usgs.gov/afs/) (Ref. 81264).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/us.html
National Fisheries Authority: http://www.nmfs.gov
Occurrences: Occurrences Point map
Main Ref: Page, L.M. and B.M. Burr, 1991
National Database:

Common names from other countries

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

> Acipenseriformes (Sturgeons and paddlefishes) > Acipenseridae (Sturgeons) > Acipenserinae
Etymology: Acipenser: Latin, acipenser = sturgeon, 1853 (Ref. 45335).
  More on author: Lesueur.

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

seewasser; süßwasser; brackwasser demersal; anadrom (Ref. 51243); tiefenbereich 6 - 53 m (Ref. 93286), usually 6 - 34 m (Ref. 93286).   Subtropical; 49°N - 28°N, 82°W - 65°W (Ref. 54259)

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | Faunafri

North America: St. John River in Canada to St. Johns River in Florida, USA.

Length at first maturity / Size / Gewicht / Alter

Maturity: Lm 50.0, range 45 - 55 cm
Max length : 143 cm TL Männchen/unbestimmt; (Ref. 6866); common length : 50.0 cm TL Männchen/unbestimmt; (Ref. 12193); max. veröff. Gewicht: 23.0 kg (Ref. 6866); max. veröff. Alter: 67 Jahre (Ref. 6866)

Kurzbeschreibung Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt): 0; Rückenflossenweichstrahlen (insgesamt): 33-42; Afterflossenstacheln 0; Afterflossenweichstrahlen: 18 - 24. Snout short, bluntly V-shaped, not upturned at tip. Barbels short (Ref. 7251). Absence of fontanelle and post dorsal shields. Single row of pre anal shields, 6-11 (Ref. 4639). Dorsal shields 7-13, lateral shields 22-34 (Ref. 4639). Blackish viscera (Ref. 37032). Head and back dark, lower surface white (Ref. 37032). Anal fin origin beneath dorsal fin origin (Ref. 86798).

Biologie     Fachlexikon (Englisch) (z.B. epibenthic)

Inhabit river mouths, lakes, estuaries, and bays; occasionally enters the open sea. Feeds mostly at night over soft substrates; juveniles feed primarily on benthic crustaceans and insects, adults prey on benthic crustaceans, insects and mollusks (Ref. 93252). Maximum known age is 67 years for females and 30 years for males. Flesh of good quality; eggs are suitable for caviar (Ref. 3192).

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

Hauptreferenz Upload your references | Referenzen | Koordinator | Partner

Page, L.M. and B.M. Burr, 1991. A field guide to freshwater fishes of North America north of Mexico. Houghton Mifflin Company, Boston. 432 p. (Ref. 5723)

IUCN Rote Liste Status (Ref. 130435)

  gefährdet, siehe IUCN Red List (VU) (A2bce); Date assessed: 14 September 2016

CITES (Ref. 128078)


CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Harmless




Nutzung durch Menschen

Fischereien: weniger kommerziell; Sportfisch: ja; Aquarium: Öffentliche Aquarien
FAO(Fischereien: Artbeschreibung; publication : search) | FishSource |

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Estimates based on models

Preferred temperature (Ref. 115969): 7.5 - 25.5, mean 15.6 (based on 138 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00324 (0.00142 - 0.00736), b=3.17 (2.99 - 3.35), in cm Total Length, based on LWR estimates for this Genus-body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.3   ±0.39 se; based on food items.
Widerstandsfähigkeit (Ref. 120179):  sehr niedrig, Verdopplung der Population dauert mehr als 14 Jahre. (K=0.04; tm=14-17; tmax=67; Fec=48,000).
Fishing Vulnerability (Ref. 59153):  Very high vulnerability (86 of 100).
Preiskategorie (Ref. 80766):   Unknown.