Acipenser transmontanus, White sturgeon : fisheries, aquaculture, gamefish

Acipenser transmontanus Richardson, 1836

White sturgeon
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Acipenser transmontanus   AquaMaps   Data sources: GBIF OBIS
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Acipenser transmontanus
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Classification / Names Nombres comunes | Sinónimos | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterígios (peces con aletas radiadas) > Acipenseriformes (Sturgeons and paddlefishes) > Acipenseridae (Sturgeons) > Acipenserinae
Etymology: Acipenser: Latin, acipenser = sturgeon, 1853 (Ref. 45335);  transmontanus: The specific name is derived from the Latin acipenser (sturgeon), trans (beyond), and montanus (mountain) (Ref. 27436).  More on author: Richardson.

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

; marino; agua dulce; salobre demersal; anadromo (Ref. 51243); rango de profundidad 1 - 122 m (Ref. 27547).   Temperate; 0°C - 23°C (Ref. 1998); 58°N - 24°N, 163°W - 107°W (Ref. 54269)

Distribución Países | Áreas FAO | Ecosistemas | Ocurrencias, apariciones | Point map | Introducciones | Faunafri

Eastern Pacific: Alaska Bay to Monterey, California, USA. Landlocked in Columbia River drainage, Montana, and perhaps Lake Shasta in California, USA. Translocated to lower Colorado River, Arizona in USA. Reported from northern Baja California, Mexico (Ref. 2850, 27436). Considered vulnerable in Canada (Ref. 6866). International trade restricted (CITES II, since 1.4.98).

Length at first maturity / Tamaño / Peso / Age

Maturity: Lm 160.0  range ? - ? cm
Max length : 610 cm TL macho / no sexado; (Ref. 1998); common length : 21.0 cm TL macho / no sexado; (Ref. 12193); peso máximo publicado: 816.0 kg (Ref. 27436); edad máxima reportada: 104 años (Ref. 39377)

Short description Morfología | Morfometría

Espinas dorsales (total): 0; Radios blandos dorsales (total): 44-48; Radios blandos anales: 28 - 31. Distinguished by the 2 rows of 4 to 8 bony plates on a midventral line between the anus and anal fin, and about 45 rays in the dorsal fin (Ref. 27547). Gray or brownish above, paler below; fins gray (Ref. 27547). Barbels situated closer to snout tip than to mouth; no obvious scutes behind dorsal and anal fins (Ref. 86798).

Biología     Glosario (por ej. epibenthic)

Spends most of its time in the sea, usually close to shore (Ref. 27547). Enters estuaries of large rivers and moves far inland to spawn (Ref. 5723). Individuals larger than 48.3 cm feed mainly on fishes; smaller ones feed mainly on chironomids, but also takes small crustaceans, other insects and mollusks (Ref. 1998). Feeding ceases just before spawning (Ref. 1998). Excellent food fish that is sold fresh, smoked or frozen (Ref. 9988). Eggs marketed as caviar (Ref. 1998). In the past, the airbladder was made into isinglass (Ref. 27547).

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

Adults return to the sea after spawning (Ref. 27547). Spawning frequency interval every 4 years for younger females and every 10-11 years in older females (Ref. 1998).

Main reference Upload your references | Referencias | Coordinador | Colaboradores

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 Red List Status (Ref. 123251)

  Critically Endangered (CR) (E); Date assessed: 30 April 2004

CITES (Ref. 118484)


CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Pesquerías: comercial; Acuicultura: comercial; pesca deportiva: si
FAO(pesquerías: producción, species profile; publication : search) | FishSource | Sea Around Us

Más información

Age/Size
Crecimiento
Length-weight
Length-length
Length-frequencies
Morfometría
Morfología
Larva
Dinámica larvaria
Reclutamiento
Abundancia
Referencias
Acuicultura
Perfil de acuicultura
Razas
Genética
Frecuencias de alelos
heritabilidad
Enfermedades
Procesamiento
Mass conversion
Colaboradores
Imágenes
Stamps, Coins Misc.
Sonidos
Ciguatera
Velocidad
Tipo de natación
Superficie branquial
Otolitos
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Herramientas

Special reports

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Fuentes de Internet

Estimates based on models

Preferred temperature (Ref. 115969): 8.3 - 12.2, mean 9.7 °C (based on 80 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00316 (0.00159 - 0.00628), b=3.18 (3.01 - 3.35), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
Nivel trófico (Ref. 69278):  3.3   ±0.1 se; based on diet studies.
Generation time: 27.5 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.
Resiliencia (Ref. 120179):  Muy bajo, población duplicada en un tiempo mínimo superior a 14 años (tm=11-34; tmax=104).
Vulnerability (Ref. 59153):  Very high vulnerability (87 of 100) .
Price category (Ref. 80766):   Unknown.