Kaluga
📖 Overview
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 . 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 .
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 0; Dorsal soft rays (total): 43 - 57; Anal spines: 0; Anal soft rays: 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.: elongated.
🌀 Behaviour
Behavioural data for Kaluga is currently being reviewed.
🦐 Diet
Diet information for Kaluga is currently being compiled.
🥚 Reproduction
Males spawn once in three to four years while females do every four to five years . Water temperature affects the onset of maturity of females. Females spawn a year earlier during warm years than they would during cold years .
🌍 Habitat & Distribution
Marine; freshwater; brackish; demersal; anadromous ; depth range 0 - 50 m . Temperate; 10°C - 20°C ; 55°N - 43°N 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.
🌿 Ecology
invertebrates in the first year then switch to juveniles of pelagic fishes, e
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🍽️ Edibility & Flavour
"Acipenser Dauricus is an edible species."
- 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
- Cloudy or sunken eyes
- Strong fishy or ammonia odour
- Soft, mushy flesh that doesn't spring back
- Discoloured or dry flesh
⚡ Nutrition
Detailed nutritional data for Kaluga is currently being compiled from USDA FoodData Central.
🔬 Mercury Safety
Mercury data for Kaluga has not yet been assigned. Please consult FDA/EPA guidance for general seafood safety advice.
🌿 Sustainability
🔍 Similar Species
👥 Community & Contribute
No observations yet - be the first to log one!
View all observations for Kaluga ↗Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.
Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.