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Acipenser fulvescens Rafinesque, 1817

Lake sturgeon
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Image of Acipenser fulvescens (Lake sturgeon)
Acipenser fulvescens
Picture by The Native Fish Conservancy

klasifikasi / Names Nama-nama umum | Sinonim (persamaan) | Catalog of Fishes(Marga, Jenis) | ITIS | CoL | WoRMS | Cloffa

> Acipenseriformes (Sturgeons and paddlefishes) > Acipenseridae (Sturgeons) > Acipenserinae
Etymology: Acipenser: Latin, acipenser = sturgeon, 1853 (Ref. 45335);  fulvescens: From the words Acipenser, meaning sturgeon and fulvescens, yellowish (Ref. 10294).
More on author: Rafinesque.

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

; air tawar; payau dasar (demersal); potamodromous (Ref. 51243); kisaran kedalaman 5 - 9 m (Ref. 117245). Temperate; 60°N - 30°N, 100°W - 71°W

Penyebaran Negara-negara | Daerah-daerah FAO | Ecosystems | Kemunculan | Point map | Introduksi | Faunafri

North America: St. Lawrence-Great Lakes, Hudson Bay, and Mississippi River basins.

Length at first maturity / Size / Weight / umur

Maturity: Lm 99.7, range 90 - 120 cm
Max length : 274 cm TL jantan/; (Ref. 5723); common length : 97.5 cm TL jantan/; (Ref. 12193); Berat maksimum terpublikasi: 125.0 kg (Ref. 3672); Umur maksimum dilaporkan: 152 Tahun (Ref. 72475)

deskripsi pendek Kunci identifiaksi (pengenalan) | Morfologi | Morfometrik

Single row of preanal shields. Soft area on the top of the head absent and black viscera. Large blotches present on anterior half of upper surface of snout and on back. Lower surface whitish (Ref. 37032). Anal fin origin behind dorsal fin origin; scutes on back and along side same color as skin (Ref. 86798).

Biologi     Daftar kata (contoh epibenthic)

Inhabits bottom of lakes and large rivers (Ref. 10294), usually in 5-9 m depth, over mud, sand, and gravel. Occasionally enters brackish water. A specimen caught in 1952 was reputed to have been 152 years old (Ref. 6866). Search for food, with the aid of the sensory ability of the barbels, by constantly moving close to the substrate. Omnivorous, virtually anything edible that enters the mouth is sucked up and consumed. The food is worked or pulled in the mouth, often partly ejected and sucked in again (Ref. 1998). Spawning sites are rocky and boulder filled areas along the outside bend of rivers (Ref. 41542). In the 1800s, it was extensively exploited for oil to fire boilers on steamboats, animal feed and fertilizer. Later is was high-valued as smoked, caviar and isinglass (Ref. 117245). In 1951, Canada, 2,000 lbs. of caviar were made from the eggs (Ref. 37032). It continous to be an important source of food for Indigenous people in North America (Ref. 117245). Threatened due to over harvesting, habitat loss and pollution (Ref. 58490).

Life cycle and mating behavior Maturities | Reproduksi, perkembang biakan | Spawnings | Egg(s) | Fecundities | Larva

Spawning sites are rocky and boulder filled areas along the outside bend of rivers (Ref. 41542).

rujukan utama Upload your references | Acuan | Koordinator | mitra

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)

Status IUCN Red List (Ref. 130435)

  terancam (EN) (A2bcd); Date assessed: 14 September 2019

CITES


ancaman kepada manusia

  Harmless





penggunaan manusia

Perikanan: komersial; Budidaya air: percobaan; Ikan buruan: ya; Akuarium: Akuarium publik
FAO - Perikanan: profail spesis; Publication: search | FishSource |

informasi lanjut

Trophic ecology
Bahan makanan
Diet compositions
Food consumptions
Food rations
Pemangsa
Ecology
Ekologi
Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
ukuran frekuensi
Mass conversions
Recruitments
Abundances
Life cycle
Reproduksi, perkembang biakan
Maturities
Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
Larva
Dinamika larva
Anatomy
Gill areas
Otak
Otoliths
Physiology
Body compositions
Nutrients
Oxygen consumptions
Swimming type
Swimming speeds
Visual pigment(s)
Suara-suara ikan
Diseases / Parasites
Toxicities (LC50s)
Genetics
Genetika
Electrophoreses
Heritabilities
Human related
Aquaculture systems
profil budidaya air
Strain
Ciguatera cases
Stamps, coins, misc.
Outreach
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References
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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00282 (0.00219 - 0.00363), b=3.18 (3.13 - 3.23), in cm total length, based on LWR estimates for this species (Ref. 93245).
Trophic level (Ref. 69278):  3.3   ±0.49 se; based on food items.
Daya lenting (Ref. 120179):  sangat rendah, Waktu penggandaan populasi minimum lebih dari 14 tahun (tm=16-26; tmax=97; K=0.04; Fec=50,000).
Fishing Vulnerability (Ref. 59153):  Very high vulnerability (86 of 100).
kategori harga (Ref. 80766):   Unknown.