New 🐟 Mercury Safety Guide & Omega-3 Rankings Updated for 2026. View Omega-3 Rankings →

💧 Freshwater 🌡️ Temperate

Thymallus Mertensii

Thymallus mertensii Valenciennes, 1848
Max Length
-
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Temperate
Resilience
Medium
Vulnerability
54.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Thymallus Mertensii (Thymallus mertensii), first described by Valenciennes, 1848 is a fish in the family Salmonidae (order Salmoniformes). It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Temperate waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus.

Scientific Name
Thymallus mertensii
Authority
Valenciennes, 1848
Habitat
Freshwater
Climate
Temperate
Trophic Level
3.2
Resilience
Medium
Vulnerability
54.00/100

🐟 Physical Description

Physical description for Thymallus Mertensii is currently being compiled.

🌀 Behaviour

Behavioural data for Thymallus Mertensii 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; brackish; benthopelagic. Temperate

🌿 Ecology

Zone Preferences
💧 Freshwater 🌿 Brackish
Trophic Level
3.2±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00832 × L3.07 (TL)

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
54.00/100
Moderate-High vulnerability
Trophic Level
3.2
Predator
Climate Zone
Temperate
Described By
Valenciennes, 1848

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Thymallus Mertensii ↗
Suggest an Edit

Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.

Link to a scientific paper, FishBase, or other authoritative source
Report an Issue

Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.