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💧 Freshwater 🌡️ Temperate

Salvelinus Grayi

Salvelinus grayi Günther, 1862
Max Length
25 cm
Max Weight
-
Lifespan
-
Trophic Level
3.7
Depth
10–30 m
Climate
Temperate
Resilience
Medium
Vulnerability
38.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Inhabits lake at depths of 10-30 m, except during spawning season. Feeds on Cladocera. Spawns in November in shallow rocky area .

Scientific Name
Salvelinus grayi
Authority
Günther, 1862
Habitat
Freshwater
Climate
Temperate
Body Shape
Fusiform / normal
Max Length
25 cm
Depth Range
10–30 m
Trophic Level
3.7
Resilience
Medium
Vulnerability
38.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Distinguished from congeners in Ireland by having small to medium spots, whitish, on upper flank (sometimes on lower flank and caudal peduncle) and many small whitish spots on caudal and dorsal fins. Differs further by the combination of the following characters: body depth 25-30% SL; snout conical, lower jaw not included in upper one; pectoral length 0.7-0.9 times in distance from its origin to pelvic fin origin; and body dull grey, belly yellowish to orangish .: fusiform / normal.

🌀 Behaviour

Behavioural data for Salvelinus Grayi 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; depth range 10 - 30 m . Temperate; 55°N - 54°N, 9°W - 7°W Endemic to Ireland in Lough Melvin.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.7±0.5
Food Items

Cladocera

📐 Morphometrics

Length–Weight Relationship: W = 0.00977 × L3.04 (TL)
Max TL
25cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
38.00/100
Moderate vulnerability
Trophic Level
3.7
Predator
Body Shape
Fusiform / normal
Climate Zone
Temperate
Described By
Günther, 1862

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