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Acipenser transmontanus

(Sacramento sturgeon)

Overview

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Family : Sturgeons ; Spends most of its time in the sea , usually close to shore [1]. Enters estuaries of large rivers and moves far inland to spawn [2]. 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[3]. Feeding ceases just before spawning[3]. Excellent food fish that is sold fresh, smoked or frozen[4]. Eggs marketed as caviar[3]. In the past, the airbladder was made into isinglass [1].

Interesting Facts

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Common Names

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Click on the language to view common names.

Common Names in Catalan:

Esturi

Common Names in Czech:

Jeseter B, Jeseter bílý

Common Names in Danish:

Hvid St, Hvid stør

Common Names in Dutch:

Pacific steur, Pacifische steur

Common Names in English:

Columbia sturgeon, Oregon sturgeon, Pacific sturgeon, Sacramento sturgeon, white sturgeon

Common Names in Finnish:

Valkosampi, Valkosilm, Valkosilmäkuha

Common Names in French:

Esturgeon blanc

Common Names in German:

Amerikanischer St, Amerikanischer Stint, Amerikanischer Stör, Sacramentost, Sacramentostör, St, Stör, Wei, weißer Stör

Common Names in Italian:

Storione bianco

Common Names in Mandarin Chinese:

高首鱘, 高首鲟

Common Names in Polish:

Jesiotr amerykanski

Common Names in Portuguese:

Esturj, Esturjão-branco

Common Names in Salish:

K´toyethen, K'toyethen

Common Names in Spanish:

Esturi, esturión blanco, Esturión blanco

Common Names in Swedish:

Vit St, Vit stör

Description

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Physical Description

Species Acipenser transmontanus

Males are commonly 21 cm (Total Length) in length when caught/marketed, but may be as large as 610 cm (Total Length).

Habitat

May be found at depths of 1 to 122 meters.

Typically found at an altitude of 0 to 2,911 meters (0 to 9,551 feet).[5]

Ecology: Restricted to freshwater in the upper Fraser River only.[6].

List of Habitats :

Biology

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Migration

Anadromous .

Taxonomy

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Synonyms

Acipenser aleutensis Fitzinger

Notes

Name Status: Accepted Name .

First described: Richardson, J. The fish. Fauna Boreali-Americana; or the zoology of of the northern parts of British America. (3): 327 p., 1836.

Last scrutiny: Data last modified by FishBase 23-Mar-1994

Similar Species

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Members of the genus Acipenser

ZipcodeZoo has pages for 36 species and subspecies in this genus:

A. baerii (Long-Nosed Siberian Sturgeon) · A. baerii baerii (Lena River Sturgeon) · A. baerii baicalensis (Baikal Sturgeon) · A. baerii baikalensis (Baikal Sturgeon) · A. baerii stenorrhynchus (Lena River Sturgeon) · A. baeri stenorrhynchus (Lena River Sturgeon) · A. brevirostris (Short-Nosed Little Sturgeon) · A. brevirostrum (Short-Nosed Little Sturgeon) · A. dabryanus (Dabry´s Sturgeon) · A. dauricus (Great Siberian Sturgeon) · A. fulvescens (Lake Sturgeon) · A. gueldenstaedti (Caspian Sturgeon) · A. gueldenstaedtii (Caspian Sturgeon) · A. gueldenstaedti brandt (Azov-Black Sea Sturgeon) · A. huso (European Sturgeon) · A. medirostris (Barbel Sturgeon) · A. mikadoi (Sakhalin Sturgeon) · A. multiscutatus (Japanese Sturgeon) · A. naccari (Adriatic Sturgeon) · A. naccarii (Adriatic Sturgeon) · A. nudiventris (American Atlantic Sturgeon) · A. oxyrhynchus (Atlantic Sturgeon) · A. oxyrhynchus oxyrhynchus (Atlantic Sturgeon) · A. oxyrinchus (American Atlantic Sturgeon) · A. oxyrinchus desotoi (Gulf Sturgeon) · A. oxyrinchus oxyrinchus (American Atlantic Sturgeon) · A. persicus (Persian Sturgeon) · A. plecostomus (Suckermouth Catfish) · A. ruthenus (Sterlet Sturgeon) · A. schrencki (Japanese Sturgeon) · A. schrenckii (Japanese Striped Loach) · A. sinensis (Chinese Sturgeon) · A. stellatus (Stellate Sturgeon) · A. stenorrhynchus (Long-Nosed Siberian Sturgeon) · A. sturio (Atlantic Sturegon) · A. transmontanus (Sacramento Sturgeon)

More Info

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Further Reading

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Notes

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Contributors

Data Sources

Accessed through GBIF Data Portal March 01, 2008:

Identifiers

Footnotes

  1. Morrow, J.E. (1980). The freshwater fishes of Alaska. University of. B.C. Animal Resources Ecology Library. 248p. [back]
  2. 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. [back]
  3. Scott, W.B. and E.J. Crossman (1973). Freshwater fishes of Canada. Bull. Fish. Res. Board Can. 184:1-966. [back]
  4. Frimodt, C. (1995). Multilingual illustrated guide to the world's commercial coldwater fish. Fishing News Books, Osney Mead, Oxford, England. 215 p. [back]
  5. Mean = 28.720 meters (94.226 feet), Standard Deviation = 43.790 based on 115,418 observations. Altitude information for each observation from British Oceanographic Data Centre. [back]
  6. Down, T. & Ptolemy, J. 2004. Acipenser transmontanus (Upper Fraser River subpopulation). In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.2. <www.iucnredlist.org>. Downloaded on 29 January 2012. [back]
Last Revised: 2012-07-14