Huso huso, Beluga : fisheries, aquaculture

Huso huso (Linnaeus, 1758)

Beluga
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Image of Huso huso (Beluga)
Huso huso
Picture by Hartl, A.

Classification / Names आम नाम | उपशब्द | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

ऐकटीनोप्टीरेजी (रेज़-फिन्नढ मछलियाँ) > 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 पारिस्थितिकी

; समुद्री; स्वच्छ जल, अलवण जल; खारा; ऐनाढरोमस (Ref. 51243); गहराई सीमा 70 - 180 m.   Temperate; 10°C - 20°C (Ref. 2059); 57°N - 35°N, 17°E - 60°E

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

Extirpated from Adriatic Sea.

Length at first maturity / आकार / वज़न / Age

Maturity: Lm ?, range 200 - ? cm
Max length : 800 cm TL पुल्लिंग / अलिंग; (Ref. 59043); common length : 215 cm TL पुल्लिंग / अलिंग; (Ref. 3397); अधिकतम प्रकाशित वज़न: 3.2 t (Ref. 59043); अधिकतम सूचित उम्र: 118 वर्षो (Ref. 47437)

Short description आकृति विज्ञान | मौरफोमैटरिक्स

पृष्ठीय रीढ़ (सम्पूर्ण): 0; पृष्ठीय सौफट रेज़ (सम्पूर्ण): 62-73; गुदा कांटा 0; ऐनल सौफट रेज़: 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.

जीवविज्ञान     शब्द संग्रह (उदाहरणार्थ 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 परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | Fecundity | लार्वा

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 | संदर्भ | संयोजक | सहयोगीयो

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. 123251)

  Critically Endangered (CR) (A2bcd); Date assessed: 24 October 2009

CITES (Ref. 118484)


Threat to humans

  Harmless





Human uses

मात्स्यिकी: व्यापारिक; जलीयकृषि: व्यापारिक
FAO(जलीयकृषि: production; मात्स्यिकी: production, species profile; publication : search) | FishSource | Sea Around Us

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इंटरनेट स्रोत

Estimates based on models

Preferred temperature (Ref. 115969): 7.7 - 15.6, mean 9.1 °C (based on 19 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.7500   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00437 (0.00263 - 0.00724), b=3.11 (2.97 - 3.25), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trophic level (Ref. 69278):  4.4   ±0.3 se; based on diet studies.
लौटाव (Ref. 120179):  बहुत नीचे, न्यूनतम जनसंख्या दुगनी समय अवलागत 14 महीने। (K=0.1; tm=13-22; tmax=118; Fec=360,000).
Vulnerability (Ref. 59153):  Very high vulnerability (89 of 100) .
Price category (Ref. 80766):   Unknown.