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💧 Freshwater Least Concern ⚠️ Venomous ⚡ Traumatogenic 🌡️ Tropical

Northern rivers catfish

Brustiarius utarus Kailola, 1990
Max Length
55 cm
Max Weight
1.7 kg
Lifespan
Trophic Level
3
Depth
Climate
Tropical
Resilience
Medium
Vulnerability
49.00/100
Typical Length
30 cm
Depth Zone

📖 Overview

Prefers main river channels, but also occurs in lakes and on the floodplain. Feeds mainly on large crustaceans (Macrobrachium and Caridina), fishes, aquatic and terrestrial insects, nymphs and detritus. Occurs at temperatures ranging from 26 to 32°C. Mainly diurnal.

Scientific Name
Brustiarius utarus
Authority
Kailola, 1990
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
55 cm
Max Weight
1.7 kg
Trophic Level
3
Resilience
Medium
Vulnerability
49.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 1; Dorsal soft rays (total): 7; Anal spines: 0; Anal soft rays: 18 - 22. : elongated.

🌀 Behaviour

Behavioural data for Northern rivers catfish is currently being reviewed.

🦐 Diet

Diet information for Northern rivers catfish is currently being compiled.

🥚 Reproduction

👄 Mouth Brooder

Mouthbrooders. Ovary or brood mass contains 15 to 75 ripe eggs .

🌍 Habitat & Distribution

Freshwater; benthopelagic. Tropical; 1°S - 6°S

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3±0.47
Food Items

large crustaceans (Macrobrachium and Caridina), fishes, aquatic and terrestrial insects, nymphs and

📐 Morphometrics

Length–Weight Relationship: W = 0.00468 × L3.13 (TL)
Max TL
55cm
Max Weight
1,700g
Dorsal Spines
1
Dorsal Rays
7
Anal Rays
20

🌡️ Water Parameters & Tolerance

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
49.00/100
Moderate-High vulnerability
Trophic Level
3
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Kailola, 1990

👥 Community & Contribute

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