Taimen
📖 Overview
Adults inhabit piedmont and montane cold rivers with high oxygen concentrations. They prefer to live in deeper holes with slow current for periods of reduced activity (day time, winter), but also lower reaches, estuaries, cold lakes and reservoirs. Both juveniles and adults are territorial. Adults frequently occur within their own restricted territory (deep holes below rapids and waterfalls, confluence of small tributaries, below bridge pillar or large rocks, bank excavations), which they abandon only foraging and spawning. Young individuals do not maintain permanent territory. Juveniles occur in fast-flowing waters, prey on drifting invertebrates and shift to fish diet after 1-3 years. Adults feed on fishes and terrestrial vertebrates. They breed in shallow places with fast current on pebble bottom, immediately downstream of large deep pools, often in small river tributaries. Usually undertake upriver migration for spawning in the upper reaches of tributaries. Can overcome quite high obstacles while migrating to spawning sites. Eggs, 5-6 mm in diameter, hatch after 28-38 days. Alevins stay in gravel until yolk sac is absorbed after 10-15 days while young first remain near spawning site, then move downstream. Larger immature individuals of 2-4 years of age live in same sites as adults but separately below groups of adults or in smaller holes. Life span reaches up to about 20 years . Threatened due to habitat loss, pollution and over harvesting , including angling tourism .
🔬 Taxonomy
🐟 Physical Description
Small cross-shaped dark spots on head and sides of body; maxilla reaching backward behind rear edge of eyes; scales oval, minute without radial grooves and rings extremely clear; adipose fin well-developed; pyloric caecum 205-219 . Distinguished from other species of Salmonidae in central and eastern Europe by the combination of the following characters: teeth on vomer and palatine in a continuous, horse-shoe-shaped band; 173-288 scales in midlateral row (107-164 pored scales); small round dark spots on head and dark x-shaped or/and half-moon-shaped spots on body; head long (22-25% SL) and dorsally flattened; very long jaws, maxilla length 42-50% HL; in adults, maxilla reaching posterior margin of eye; shallow cylindrical body; caudal deeply emarginate, reddish in adults; large size in undisturbed areas; and 9-18 gill rakers, usually 11-13 .: fusiform / normal.
🌀 Behaviour
Behavioural data for Taimen is currently being reviewed.
🦐 Diet
🥚 Reproduction
Females dig a redd about 1.0-1.5 m in diameter. Eggs, 5-6 mm in diameter, hatch after 28-38 days. Alevins stay in gravel until yolk sac is absorbed after 10-15 days while young first remain near spawning site, then move downstream .
🌍 Habitat & Distribution
Freshwater; brackish; benthopelagic; potamodromous . Temperate
🌿 Ecology
fishes and terrestrial vertebrates
📐 Morphometrics
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🎣 Angling Guide
- medium-action 8-9ft fly rod
- 5-8 lb tippet
- floating or sinking-tip line
- seams and current breaks in rivers
- tributary mouths
- undercut banks
- deep pools during high sun
Use barbless hooks, minimise air exposure, and revive fish head-first in current before release.
⚠️ Strict bag and size limits vary by jurisdiction. Barbless hooks required in many rivers.
🍽️ Edibility & Flavour
"Taimen 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 Taimen is currently being compiled from USDA FoodData Central.
🔬 Mercury Safety
Mercury data for Taimen has not yet been assigned. Please consult FDA/EPA guidance for general seafood safety advice.
🌿 Sustainability
🔬 Full Nutritional Profile
Per 100g - Raw, per 100g - Source: USDA FoodData Central templates (oily fish average)
📊 Population Dynamics
| Year | Region | Index | Notes |
|---|---|---|---|
| - | - | - |
🌐 Names & Taxonomy
| Language | Common Names |
|---|---|
| 🇬🇧English | Mongolian Taimen · Siberian Salmon · Siberian Taimen · Siberian giant trout · Taimen |
| 🌍BAK | Ҡыҙыл балыҡ |
| 🌍BEL | Звычайны таймень |
| 🌍CES | hlavatka sibiřská |
| 🇩🇰Danish | Taimenlaks |
| 🌍EST | Harilik taimen |
| 🇫🇮Finnish | Jokinieriä · Siperianjokilohi |
| 🇯🇵Japanese | アムールイトウ |
| 🌍KAZ | Таймен |
| 🌍MON | Тул |
| 🇵🇱Polish | Tajmen |
| 🇷🇺Russian | Taimen' obyknovennyi · Обыкновенный таймень · Таймень обыкновенный |
| 🇪🇸Spanish | Trucha gigante siberiana |
| 🌍TAT | Кызылбалык |
| 🌍THA | ปลาไทเมน |
| 🇨🇳Chinese | 哲罗鲑 · 哲羅魚 |
Scientific Synonyms
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Hucho hucho taimen | Pallas | 1773 | Synonym |
| Salmo fluviatilis | Pallas | 1814 | Synonym |
| Salmo taimen | Pallas | 1773 | Homotypic |
| Salvelinus taimen | Pallas | 1773 | Synonym |
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .
👥 Community & Contribute
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