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🐟Beluga sturgeon
Huso huso, communément appelé bélouga, béluga, grand esturgeon ou béluga européen, est une espèce de poissons de la famille des esturgeons. Il vit principalement dans les bassins de la mer Caspienne et la mer Noire, mais se rencontre aussi en mer Adriatique. Avec une taille pouvant atteindre 7,2 m pour une masse de 1 571 kg, c'est le plus gros poisson d'eau douce. C'est un poisson très convoité pour ses précieux œufs, le caviar bélouga. Mais la surpêche et le braconnage ainsi que sa maturation tardive (18 ans), due à sa grande longévité (jusqu'à 118 ans, voire plus), font de lui une espèce en danger critique selon l'Union internationale pour la conservation de la nature. La diminution significative de ses effectifs a incité de nombreux gouvernements à adopter des restrictions sur le commerce de son caviar.
Text: Wikipedia, CC BY-SA 4.0.
IUCN Red List assessment, 2022.
- Body mass
- 1,140 kg
- Body length
- 2.15 m
- Shoulder height
- not recorded
- Top speed
- not recorded
- Bite force
- not recorded
- Maximum lifespan
- 118 years
Everything we know about the Beluga sturgeon
Typical adult figures. Where a value is an estimate rather than a measurement, it says so.
Body mass1,140 kgrecord 3,200 kg · FishBaseAnAgeDetails ↓Hide ↑
data quality: acceptable
Record: largest individual on record
Source: AnAge · AnAge build 15, 2023-07-03 (HAGR) · CC BY 3.0
Body length2.15 mrecord 8 m · FishBasetypical adultFishBaseDetails ↓Hide ↑
Record: largest individual on record
Source: FishBase · v25.04 · CC BY-NC 4.0
Maximum lifespan118 yearsrecord 118 years · FishBaseAnAgeDetails ↓Hide ↑
data quality: acceptable
Record: largest individual on record
Source: AnAge · AnAge build 15, 2023-07-03 (HAGR) · CC BY 3.0
Trophic level4.42FishBaseDetails ↓Hide ↑
Source: FishBase · v25.04, estimate table · CC BY-NC 4.0
DietcarnivoreaverageDetails ↓Hide ↑
From trophic level 4.42 (FishBase): <2.2 herbivore, 2.2–2.8 omnivore, >2.8 carnivore.
Danger to humansharmlessFishBaseDetails ↓Hide ↑
Source: FishBase · v25.04 · CC BY-NC 4.0
Volume l1,140 LaverageDetails ↓Hide ↑
Body mass at ~1.0 kg/L, the density of vertebrate tissue.
average = a mean across sexes or species in a group.
Not recorded for Beluga sturgeon yet: shoulder height, top speed, bite force.
Family tree
- superclassRay-finned fish · Actinopterygii
- orderAcipenseriformes
- suborderAcipenseroidei
- familyAcipenseridae
All 11 branches ↓Fewer branches ↑
- kingdomMetazoa
- phylumChordata
- subphylumCraniata
- subphylumVertebrata
- superclassGnathostomata
- superclassRay-finned fish · Actinopterygii
- classActinopteri
- subclassChondrostei
- orderAcipenseriformes
- suborderAcipenseroidei
- familyAcipenseridae
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