Huso dauricus, Kaluga : fisheries

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Huso dauricus (Georgi, 1775)

Kaluga
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Huso dauricus
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Classification / Names Nombres comunes | Sinónimos | Catalog of Fishes(Género, Especie) | ITIS | CoL | WoRMS | Cloffa

> Acipenseriformes (Sturgeons and paddlefishes) > Acipenseridae (Sturgeons) > Acipenserinae
Etymology: Huso: Latin, huso = swine (Ref. 45335).

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

marino; agua dulce; salobre demersal; anadromo (Ref. 51243); rango de profundidad 0 - 50 m (Ref. 50550). Temperate; 10°C - 20°C (Ref. 2059); 55°N - 43°N

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

Asia: Amur basin, ascending far up to the Argun, Shilka, and Onon. In the Amur Liman to the Amur estuary in the Sea of Okhotsk. Adults inhabit some lakes, like Orel Lake above Nikolaevsk. Also in the Ussuri and Sungari, China. Four populations are recognized in the Amur River basin: one lives in the estuary and coastal brackish waters of the Sea of Okhotsk and Sea of Japan, second is found in the lower Amur, third in the middle Amur, and fourth in the lower reaches of the Zeya and Bureya rivers in the Russian river banks (Ref. 40142). Two ecological morphs are present in the estuary population, the 'freshwater' and the 'brackish' water forms (Ref. 40142).

Length at first maturity / Tamaño / Peso / Age

Maturity: Lm 180.0, range 170 - 190 cm
Max length : 560 cm TL macho / no sexado; (Ref. 40142); peso máximo publicado: 1.0 t (Ref. 40142); edad máxima reportada: 80 años (Ref. 56448)

Short description Morfología | Morfometría

Espinas dorsales (total): 0; Radios blandos dorsales (total): 43-57; Espinas anales 0; Radios blandos anales: 26 - 35. Gill membranes free from isthmus and broadly connected with each other. Barbels flat, attached on ventral side of snout. Body shields in 5 rows; dorsal shields 10 to 16, lateral 32 to 46 and ventral 8 to 12.

Biología     Glosario (por ej. epibenthic)

Adults inhabit rivers and lakes. Adults do not spawn every year but at least every other year. With increasing age, the spawning interval increases to three, four and more years (Ref. 593). Feed on invertebrates in the first year then switch to juveniles of pelagic fishes, e.g., Oncorhynchus keta, at age 3 to 4 yrs., kaluga feed on adult fishes (Ref. 40142).

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

Males spawn once in three to four years while females do every four to five years (Ref. 40142). Water temperature affects the onset of maturity of females. Females spawn a year earlier during warm years than they would during cold years (Ref. 40142).

Main reference Upload your references | Referencias | Coordinador | Colaboradores

Berg, L.S., 1962. Freshwater fishes of the U.S.S.R. and adjacent countries. volume 1, 4th edition. Israel Program for Scientific Translations Ltd, Jerusalem. (Russian version published 1948). (Ref. 593)

IUCN Red List Status (Ref. 130435)

  Critically Endangered (CR) (A2bd); Date assessed: 15 September 2019

CITES


Threat to humans

  Harmless





Human uses

Pesquerías: comercial
FAO - pesquerías: species profile; Publication: search | FishSource |

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componentes alimenticios
consumo de alimento
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Madurez
Puesta
Agregación para la puesta
Fecundidad
Huevos
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Age/Size
Crecimiento
Length-weight
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Length-frequencies
Morfometría
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Larva
Dinámica larvaria
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BRUVS
Referencias
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heritabilidad
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Fuentes de Internet

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: Género, Especie | DiscoverLife | ECOTOX | FAO - pesquerías: species profile; Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Árbol de la vida | Wikipedia: Go, búsqueda | World Records Freshwater Fishing | Expediente Zoológico

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.7500   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00204 (0.00119 - 0.00351), b=3.18 (3.03 - 3.33), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Nivel trófico (Ref. 69278):  4.5   ±0.4 se; based on diet studies.
Generation time: 36.6 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies.
Resiliencia (Ref. 120179):  Muy bajo, población duplicada en un tiempo mínimo superior a 14 años (tm=14-23; tmax=55; Fec=600,000).
Fishing Vulnerability (Ref. 59153):  Very high vulnerability (86 of 100).
Price category (Ref. 80766):   Unknown.