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Diadromous Critically Endangered 🍽️ Edible 🌡️ Temperate

Amur sturgeon

Acipenser schrenckii Brandt, 1869
Max Length
300 cm
Max Weight
190.0 kg
Lifespan
65 yrs
Trophic Level
3.3
Depth
-
Climate
Temperate
Resilience
Very low
Vulnerability
87.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Adults occur in stretches of rivers with sandy or stony bottom. Feed on benthic organisms. Highly prized fish .

Scientific Name
Acipenser schrenckii
Authority
Brandt, 1869
Habitat
Diadromous
Climate
Temperate
Body Shape
Elongated
IUCN Status
CR
Max Length
300 cm
Max Weight
190 kg
Lifespan
65 years
Trophic Level
3.3
Resilience
Very low
Vulnerability
87.00/100
Migration
Anadromous
Water Temp
10–20 °C
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 38 - 53; Anal spines: 0; Anal soft rays: 20 - 32. Body shields in 5 rows; dorsal shields 11 to 15, lateral shields 32 to 47 and ventral 7 to 10.: elongated.

🌀 Behaviour

Behavioural data for Amur sturgeon is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

Size at Maturity
108.8cm TL

The gray morph females in the Amur River reproduce at least every four years .

🌍 Habitat & Distribution

Marine; freshwater; brackish; demersal; anadromous . Temperate; 10°C - 20°C Endemic to the Amur River system.

🌿 Ecology

Zone Preferences
🌊 Marine 💧 Freshwater 🌿 Brackish ⬇️ Benthic
Migration
Anadromous
Trophic Level
3.3±0.1
Food Items

benthic organisms

📐 Morphometrics

Length–Weight Relationship: W = 0.00263 × L3.25 (TL)
Max TL
300cm
Max Weight
190,000g
Dorsal Rays
46
Anal Rays
26

🌡️ Water Parameters & Tolerance

Temperature Range
10–20°C
Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Critically Endangered
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
Very low
Minimum doubling time
Fishing Vulnerability
87.00/100
Very High vulnerability
Trophic Level
3.3
Predator
Body Shape
Elongated
Climate Zone
Temperate
Described By
Brandt, 1869

🍽️ Edibility & Flavour

"Amur sturgeon is an edible species."

✗ Not for Raw
✓ Fresh Indicators
  • Clear, bright eyes — cloudy eyes indicate age
  • Firm flesh that springs back when pressed
  • Fresh ocean smell, never strong or ammonia-like
  • Bright red or pink gills, not grey or brown
  • Shiny, moist skin with scales tightly attached
✗ Avoid If
  • Cloudy or sunken eyes
  • Strong fishy or ammonia odour
  • Soft, mushy flesh that doesn't spring back
  • Discoloured or dry flesh
Best Cooking Methods
Baking Grilling Pan-frying

⚡ Nutrition

Per 100g cooked - Source: USDA FoodData Central

Nutrient Amount
Protein 17.5 g
Omega-3 (total) 329 mg

🔬 Mercury Safety

Mercury data for Amur sturgeon has not yet been assigned. Please consult FDA/EPA guidance for general seafood safety advice.

🌿 Sustainability

Best Choice
Healthy stocks, low impact
Good Alternative
Well-managed, minor concerns
Use Caution
Check sourcing and season
Avoid
Overfished or high impact

🔬 Full Nutritional Profile

Per 100g - Raw, per 100g - Source: USDA FoodData Central templates (generic fish average)

Proximate Composition
Energy125 kcal
Moisture75 %
Protein20 %
Total Fat4 %
Ash1.3 %
Fatty Acids (g)
Saturated Fat1 g
Monounsaturated Fat1.2 g
Polyunsaturated Fat1.5 g
Omega-3 Total1 g
EPA0.3 g
DHA0.5 g
Omega-6 Total0.3 g
Key Minerals & Vitamins
Calcium20 mg
Iron0.7 mg
Magnesium30 mg
Phosphorus220 mg
Potassium380 mg
Sodium55 mg
Zinc0.5 mg
Selenium32 µg
Vitamin B122 µg

📊 Population Dynamics

Year Region Index Notes
- - -

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Acipenser baeri schrencki Brandt 1869 Synonym
Acipenser multiscutatus Tanaka 1908 Synonym
Acipenser schrenki Brandt 1869 Synonym
Sturio schrenckii Brandt 1869 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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