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💧 Freshwater Least Concern 🌡️ Temperate

Bighead sculpin

Batrachocottus baicalensis Dybowski, 1874
Max Length
19 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
70–130 m
Climate
Temperate
Resilience
Medium
Vulnerability
38.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Bighead sculpin (Batrachocottus baicalensis) is a ray-finned fish of the family Cottocomephoridae. It inhabits freshwater waters in benthic environments. This species can reach a maximum total length of 19 cm. It occurs at depths between 70 and 130 metres. With a trophic level of 3.4, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Batrachocottus baicalensis
Authority
Dybowski, 1874
Habitat
Freshwater
Climate
Temperate
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
19 cm
Depth Range
70–130 m
Trophic Level
3.4
Resilience
Medium
Vulnerability
38.00/100
Water Temp
4–20 °C
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 6 - 8; Dorsal soft rays (total): 15 - 18; Anal soft rays: 10 - 13. : fusiform / normal.

🌀 Behaviour

Behavioural data for Bighead sculpin is currently being reviewed.

🦐 Diet

Diet information for Bighead sculpin is currently being compiled.

🥚 Reproduction

Reproduction data for Bighead sculpin is currently being compiled.

🌍 Habitat & Distribution

Freshwater; demersal; depth range 70 - 130 m , usually 70 - ? m . Temperate; 4°C - 20°C

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3.4±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00794 × L3.12 (TL)
Max TL
19cm
Dorsal Spines
7
Dorsal Rays
17
Anal Rays
12

🌡️ Water Parameters & Tolerance

Temperature Range
4–20°C
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2020

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
38.00/100
Moderate vulnerability
Trophic Level
3.4
Predator
Body Shape
Fusiform / normal
Climate Zone
Temperate
Described By
Dybowski, 1874

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Cottus baicalensis Dybowski 1874 Synonym

🗺️ 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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