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💧 Freshwater Least Concern 🌡️ Temperate

Soldatov's catfish

Silurus soldatovi Nikolskii & Soin, 1948
Max Length
400 cm
Max Weight
40.0 kg
Lifespan
20 yrs
Trophic Level
4.5
Depth
-
Climate
Temperate
Resilience
Low
Vulnerability
74.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Soldatov's catfish (Silurus soldatovi), first described by Nikolskii & Soin, 1948 is a giant fish in the family Siluridae (order Siluriformes). Adults typically reach 400.00 cm in maximum length and up to 40.000 kg. Reported lifespan reaches approximately 20 years. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Temperate waters. Diet is predominantly piscivorous, targeting other fish and larger prey. On the IUCN Red List, it is classified as Least Concern.

Scientific Name
Silurus soldatovi
Authority
Nikolskii & Soin, 1948
Habitat
Freshwater
Climate
Temperate
Body Shape
Elongated
IUCN Status
LC
Max Length
400 cm
Max Weight
40 kg
Lifespan
20 years
Trophic Level
4.5
Resilience
Low
Vulnerability
74.00/100
Migration
Non-migratory
Water Temp
5–25 °C
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal soft rays (total): 6; Anal soft rays: 83 - 90. Head large and depressed; snout blunt and rounded; mouth large, upper jaw shorter than lower one and reaching backward over hind margin of eyes; maxillary barbels 1 pair reaching pectoral fin; chin barbels 2 pairs.: elongated.

🌀 Behaviour

Behavioural data for Soldatov's catfish is currently being reviewed.

🦐 Diet

small fish
crustaceans
cephalopods

🥚 Reproduction

Size at Maturity
95cm TL

🌍 Habitat & Distribution

Freshwater; demersal; non-migratory. Temperate; 5°C - 25°C ; 54°N - 44°N, 126°E - 141°E

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Migration
Non-migratory
Trophic Level
4.5±0.8

📐 Morphometrics

Length–Weight Relationship: W = 0.00562 × L3 (TL)
Max TL
400cm
Max Weight
40,000g
Dorsal Rays
6
Anal Rays
87

🌡️ Water Parameters & Tolerance

Temperature Range
5–25°C
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
74.00/100
High vulnerability
Trophic Level
4.5
Apex / Top predator
Body Shape
Elongated
Climate Zone
Temperate
Described By
Nikolskii & Soin, 1948

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