Huso huso, Beluga : fisheries, aquaculture

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Huso huso (Linnaeus, 1758)

Beluga
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Huso huso   AquaMaps   Data sources: GBIF OBIS
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Image of Huso huso (Beluga)
Huso huso
Picture by Hartl, A.

Classification / Names Κοινά ονόματα | Συνώνυμα | Catalog of Fishes(Γένος, Είδη) | ITIS | CoL | WoRMS | Cloffa

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

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

Θαλασσινό(ά); Γλυκού νερού; Υφάλμυρο; ανάδρομο (Ref. 51243); εύρος βάθους 70 - 180 m. Temperate; 10°C - 20°C (Ref. 2059); 57°N - 35°N, 13°E - 60°E

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Eurasia: Caspian, Black, Azov and Adriatic Sea basins.

Extirpated from Adriatic Sea.

Length at first maturity / Μέγεθος / Βάρος / Age

Maturity: Lm ?, range 200 - ? cm
Max length : 800 cm TL αρσενικό/απροσδιόριστο; (Ref. 59043); common length : 215 cm TL αρσενικό/απροσδιόριστο; (Ref. 3397); μεγ. δημοσιευμένο βάρος: 3.2 t (Ref. 59043); μεγ. αναφερόμενη ηλικία: 118 έτη (Ref. 47437)

Short description Μορφολογία | Μορφομετρία

Ραχιαίες άκανθες (συνολικά): 0; Μαλακές ραχιαίες ακτίνες (συνολικά): 62-73; Εδρικές άκανθες 0; Μαλακές εδρικές ακτίνες: 28 - 41. Snout moderate and pointed, turning slightly upward. Lower lip not continuous, interrupted at center. Barbels oval or flat, leaf-like posteriorly, reaching almost to mouth. Five rows of scutes, dorsal 11-14 (first one smallest), lateral 41-52 on each side, ventral 9-11 on each side. Back ash-grey or greenish, flanks lighter, belly white.

Βιολογία     Γλωσσάρι (π.χ. epibenthic)

Pelagic at the sea, following its prey. Undertakes upriver migration to spawn. Juveniles occur in shallow riverine habitats during their first summer. Spawns in the main course of large and deep rivers with strong current and on stone or gravel bottom (Ref. 59043). Feeds mostly on sea fishes (Black Sea whiting, anchovies, flatfishes, gobies, fry of bottom-living fishes), also crustaceans, mollusks, mysids and amphipods. Fisheries are based almost entirely on the value of the caviar, but meat also is sold fresh, smoked and frozen; eaten broiled, boiled, fried and baked (Ref. 9988). Bester, a hybrid of female Huso huso and male sterlet Acipenser ruthenus, has been successfully cultivated for its high quality eggs (Ref. 9988). The largest sturgeon and largest European freshwater fish. In Guinness Book of Records as the most expensive fish (Ref. 6472). Threatened due to overfishing for meat at the sea and for caviar in estuaries. These threats will soon cause global extinction of the natural populations. Survival can only depend on stocking (Ref. 59043).

Life cycle and mating behavior Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες

Enters rivers from March, usually April and May (also in autumn). Survives largely by artificial propagation. About 360,000-7,700,000 eggs per female. Females carry eggs only once every five to seven years (Ref. 9988).

Main reference Upload your references | Αναφορές | Συντονιστής | Συνεργάτες

Kottelat, M. and J. Freyhof, 2007. Handbook of European freshwater fishes. Publications Kottelat, Cornol and Freyhof, Berlin. 646 pp. (Ref. 59043)

IUCN Red List Status (Ref. 130435)

  Critically Endangered (CR) (A2bcd); Date assessed: 14 September 2019

CITES


Threat to humans

  Harmless





Human uses

αλιεία: Εμπορικό(ά); Υδατοκαλλιέργειες: Εμπορικό(ά)
FAO - Υδατοκαλλιέργειες: Παραγωγή; αλιεία: landings, species profile; Publication: search | FishSource | Η θάλασσα γύρω μας

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Διαδικτυακές πηγές

Estimates based on models

Preferred temperature (Ref. 123201): 7.7 - 15.6, mean 9.1 °C (based on 19 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.7500   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00447 (0.00269 - 0.00740), b=3.11 (2.97 - 3.25), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Τροφικό Επίπεδο (Ref. 69278):  4.4   ±0.3 se; based on diet studies.
Ελαστικότητα (Ref. 120179):  Πολύ χαμηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού > 14 έτη (K=0.1; tm=13-22; tmax=118; Fec=360,000).
Fishing Vulnerability (Ref. 59153):  Very high vulnerability (89 of 100).
Climate Vulnerability (Ref. 125649):  Very high vulnerability (79 of 100).
Price category (Ref. 80766):   Unknown.
Nutrients (Ref. 124155):  Calcium = 6 [3, 12] mg/100g; Iron = 0.234 [0.128, 0.408] mg/100g; Protein = 17.9 [15.5, 20.5] %; Omega3 = 0.34 [0.15, 0.73] g/100g; Selenium = 27.1 [11.7, 60.4] μg/100g; VitaminA = 5.85 [1.52, 24.89] μg/100g; Zinc = 0.331 [0.221, 0.505] mg/100g (wet weight); based on nutrient studies.