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💧 Freshwater Vulnerable 🌡️ Polar

Salvelinus Thingvallensis

Salvelinus thingvallensis Saemundsson, 1908
Max Length
24 cm
Max Weight
Lifespan
17 yrs
Trophic Level
3.7
Depth
0–10 m
Climate
Polar
Resilience
Medium
Vulnerability
46.00/100

📖 Overview

Inhabits shallow littoral zone, with water 0-10 m deep. A nocturnal species which hides between stones during the day. Feeds predominantly on snails, and to a lesser extend on benthic insects .

Scientific Name
Salvelinus thingvallensis
Authority
Saemundsson, 1908
Habitat
Freshwater
Climate
Polar
Body Shape
Fusiform / normal
IUCN Status
VU
Max Length
24 cm
Lifespan
17 years
Depth Range
0–10 m
Trophic Level
3.7
Resilience
Medium
Vulnerability
46.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Distinguished from congeners in Iceland by the following characters: presence of parr marks in adults; flank dark brown with irregular golden or yellow spots, belly beige to yellowish, usually blackish markings on throat (not much difference between breeding and non-breeding coloration); pectoral fins black, other fins beige, caudal and dorsal fins with pale spots; snout blunt, rounded, about equal to eye diameter; mouth subinferior, upper jaw projecting .: fusiform / normal.

🌀 Behaviour

Behavioural data for Salvelinus Thingvallensis is currently being reviewed.

🦐 Diet

Diet information for Salvelinus Thingvallensis is currently being compiled.

🥚 Reproduction

Reproduction data for Salvelinus Thingvallensis is currently being compiled.

🌍 Habitat & Distribution

Freshwater; benthopelagic; depth range 0 - 10 m . Polar; 65°N - 64°N, 22°W - 20°W

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.7±0.5
🌙 Nocturnal

📐 Morphometrics

Length–Weight Relationship: W = 0.00977 × L3.04 (TL)
Max TL
24cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Vulnerable
Assessment Date
2023

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
46.00/100
Moderate-High vulnerability
Trophic Level
3.7
Predator
Body Shape
Fusiform / normal
Climate Zone
Polar
Described By
Saemundsson, 1908

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