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💧 Freshwater 🌡️ Temperate

Mongolian grayling

Thymallus brevirostris Kessler, 1879
Max Length
39 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Temperate
Resilience
Low
Vulnerability
37.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Found in landlocked basins. Usually with T. arcticus, with which it possibly interbreeds . Omnivore, occasionally predatory. In autumn and winter it forms large shoals at the entrance of rivers and streams into lakes .

Scientific Name
Thymallus brevirostris
Authority
Kessler, 1879
Habitat
Freshwater
Climate
Temperate
Body Shape
Fusiform / normal
Max Length
39 cm
Trophic Level
3.2
Resilience
Low
Vulnerability
37.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 4 - 8; Dorsal soft rays (total): 18 - 20; Anal spines: 3 - 4; Anal soft rays: 8 - 12. : fusiform / normal.

🌀 Behaviour

Behavioural data for Mongolian grayling is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 🪺 Nest Builder 🛡️ Egg Guarder
Spawning Season
spring
Spawn Location
Nest
Fertilization
External

🌍 Habitat & Distribution

Freshwater; benthopelagic. Temperate

🌿 Ecology

Zone Preferences
💧 Freshwater
Feeding Mode
Omnivore
Trophic Level
3.2±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00832 × L3.07 (TL)
Max TL
39cm
Dorsal Spines
6
Dorsal Rays
19
Anal Spines
4
Anal Rays
10

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
37.00/100
Moderate vulnerability
Trophic Level
3.2
Predator
Body Shape
Fusiform / normal
Climate Zone
Temperate
Described By
Kessler, 1879

👥 Community & Contribute

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