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💧 Freshwater Critically Endangered 🌡️ Temperate

Coregonus Atterensis

Coregonus atterensis Kottelat, 1997
Max Length
40 cm
Max Weight
-
Lifespan
6 yrs
Trophic Level
3.4
Depth
-
Climate
Temperate
Resilience
Medium
Vulnerability
48.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Pelagic, usually at depths of 10-30 m. Feeds on zooplankton and small amounts of benthic invertebrates. Spawns in open water close to surface, above depths of 20-40 m (Attersee) or at 2-3 m and close to shore (Mondsee). Spawns for the first time at 4 (Attersee) or 3 years (Mondsee). Spawns in early February - mid March (Attersee), late December - mid January (Mondsee). Individual fishes usually spawn 2-3 seasons. Eggs sink to bottom .

Scientific Name
Coregonus atterensis
Authority
Kottelat, 1997
Habitat
Freshwater
Climate
Temperate
IUCN Status
CR
Max Length
40 cm
Lifespan
6 years
Trophic Level
3.4
Resilience
Medium
Vulnerability
48.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Physical description for Coregonus Atterensis is currently being compiled.

🌀 Behaviour

Behavioural data for Coregonus Atterensis 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, usually 10 - 30 m . Temperate; 48°N - 47°N, 13°E - 14°E

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.4±0.3
Food Items

zooplankton and small amounts of benthic invertebrates

📐 Morphometrics

Length–Weight Relationship: W = 0.00457 × L3.13 (TL)
Max TL
40cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Critically Endangered
Assessment Date
2023

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
48.00/100
Moderate-High vulnerability
Trophic Level
3.4
Predator
Climate Zone
Temperate
Described By
Kottelat, 1997

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