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💧 Freshwater Least Concern 🌡️ Boreal

Longfin Baikal sculpin

Cottocomephorus inermis Yakovlev, 1890
Max Length
22 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
50–500 m
Climate
Boreal
Resilience
Medium
Vulnerability
43.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Longfin Baikal sculpin (Cottocomephorus inermis) is a ray-finned fish of the family Cottocomephoridae. It inhabits freshwater waters. This species can reach a maximum total length of 22 cm. It occurs at depths between 50 and 500 metres. With a trophic level of 3.2, 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
Cottocomephorus inermis
Authority
Yakovlev, 1890
Habitat
Freshwater
Climate
Boreal
Body Shape
Elongated
IUCN Status
LC
Max Length
22 cm
Depth Range
50–500 m
Trophic Level
3.2
Resilience
Medium
Vulnerability
43.00/100
Migration
Potamodromous
Water Temp
4–20 °C
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 8 - 10; Dorsal soft rays (total): 18 - 21; Anal spines: 0; Anal soft rays: 20 - 22. : elongated.

🌀 Behaviour

Behavioural data for Longfin Baikal 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; benthopelagic; potamodromous ; depth range 50 - 500 m . Boreal; 4°C - 20°C endemic to Lake Baikal.

🌿 Ecology

Zone Preferences
💧 Freshwater
Migration
Potamodromous
Trophic Level
3.2

📐 Morphometrics

Length–Weight Relationship: W = 0.00603 × L3.15 (TL)
Max TL
22cm
Dorsal Spines
9
Dorsal Rays
20
Anal Rays
21

🌡️ 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
43.00/100
Moderate vulnerability
Trophic Level
3.2
Predator
Body Shape
Elongated
Climate Zone
Boreal
Described By
Yakovlev, 1890

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Longfin Baikal sculpin
🇩🇪German Langflossige Baikalgroppe
🌍EST Pikkuim-õlihärg
🇷🇺Russian длиннокрылая широколобка

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 3 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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