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💧 Freshwater Least Concern 🌡️ Boreal

Fatty sculpin

Batrachocottus nikolskii Berg, 1900
Max Length
24 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
4–1300 m
Climate
Boreal
Resilience
Low
Vulnerability
45.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Fatty sculpin (Batrachocottus nikolskii), first described by Berg, 1900 is a medium-sized fish in the family Cottocomephoridae (order Perciformes). Adults typically reach 24.00 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. Recorded depth range: 4 to 1300 metres. It occurs in Boreal 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
Batrachocottus nikolskii
Authority
Berg, 1900
Habitat
Freshwater
Climate
Boreal
IUCN Status
LC
Max Length
24 cm
Depth Range
4–1300 m
Trophic Level
3.4
Resilience
Low
Vulnerability
45.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Physical description for Fatty sculpin is currently being compiled.

🌀 Behaviour

Behavioural data for Fatty sculpin is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; demersal; depth range 4 - 1300 m . Boreal Endemic to Lake Baikal, Russia.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3.4±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00794 × L3.12 (TL)
Max TL
24cm

🌡️ 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
45.00/100
Moderate vulnerability
Trophic Level
3.4
Predator
Climate Zone
Boreal
Described By
Berg, 1900

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Fat Sculpin
🇷🇺Russian жирная большеголовая широколобка · широколобка жирная

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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