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💧 Freshwater Least Concern 🌡️ Deep-water

Small-eyed sculpin

Abyssocottus korotneffi Berg, 1906
Max Length
13.5 cm
Max Weight
-
Lifespan
12 yrs
Trophic Level
3.9
Depth
120–1600 m
Climate
Deep-water
Resilience
Low
Vulnerability
33.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Small-eyed sculpin (Abyssocottus korotneffi), first described by Berg, 1906 is a small fish. Adults typically reach 13.50 cm in maximum length. Reported lifespan reaches approximately 12 years. It inhabits freshwater systems including rivers, streams, and lakes. Recorded depth range: 120 to 1600 metres. It occurs in Deep-water waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Least Concern.

Scientific Name
Abyssocottus korotneffi
Authority
Berg, 1906
Habitat
Freshwater
Climate
Deep-water
IUCN Status
LC
Max Length
13.5 cm
Lifespan
12 years
Depth Range
120–1600 m
Trophic Level
3.9
Resilience
Low
Vulnerability
33.00/100
Migration
Non-migratory
Salinity
0–0.5 ppt

🔬 Taxonomy

Genus
Abyssocottus
Abyssocottus
Species
Small-eyed sculpin
Abyssocottus korotneffi

🐟 Physical Description

Physical description for Small-eyed sculpin is currently being compiled.

🌀 Behaviour

Behavioural data for Small-eyed sculpin is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

Size at Maturity
8.8cm TL

🌍 Habitat & Distribution

Freshwater; bathydemersal; non-migratory; depth range 120 - 1600 m , usually 460 - 500 m . Deep-water Endemic to Lake Baikal, Russia.

🌿 Ecology

Zone Preferences
💧 Freshwater 🌑 Deep Water
Migration
Non-migratory
Trophic Level
3.9±0.37

📐 Morphometrics

Length–Weight Relationship: W = 0.00794 × L3.12 (TL)
Max TL
13.5cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2020

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
33.00/100
Low vulnerability
Trophic Level
3.9
Predator
Climate Zone
Deep-water
Described By
Berg, 1906

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