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💧 Freshwater Least Concern ⚠️ Venomous ⚡ Traumatogenic 🌡️ Tropical

Comb-gilled catfish

Brustiarius nox Herre, 1935
Max Length
30 cm
Max Weight
-
Lifespan
-
Trophic Level
2.9
Depth
-
Climate
Tropical
Resilience
Medium
Vulnerability
34.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Occurs primarily on the floodplain and in permanent lakes, occasionally encountered in river channels, but in low numbers. Feeds on small crustaceans, aquatic insect larvae and nymphs, terrestrial insects, plants, detritus, gastropods, leeches and worms .

Scientific Name
Brustiarius nox
Authority
Herre, 1935
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
30 cm
Trophic Level
2.9
Resilience
Medium
Vulnerability
34.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 1; Dorsal soft rays (total): 7; Anal spines: 0; Anal soft rays: 18 - 21.

🌀 Behaviour

Behavioural data for Comb-gilled catfish is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

👄 Mouth Brooder
Fecundity
8–30eggs

Mouthbrooders. A typical brood mass contains 8 to 30 eggs .

🌍 Habitat & Distribution

Freshwater; benthopelagic. Tropical; 3°S - 6°S

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
2.9±0.36
Food Items

small crustaceans, aquatic insect larvae and nymphs, terrestrial insects, plants, detritus, gastropo

📐 Morphometrics

Length–Weight Relationship: W = 0.00468 × L3.13 (TL)
Max TL
30cm
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
34.00/100
Low vulnerability
Trophic Level
2.9
Omnivore / Planktivore
Climate Zone
Tropical
Described By
Herre, 1935

⚠️ Venom Profile

Medical Warning: This species is venomous. Seek immediate medical attention if envenomated. Contact emergency services and follow first aid guidance below.
Venom Type
proteinaceous
Delivery
dorsal and pectoral spines with venom glands
Potency
Mild
Mortality Risk
Low
Symptom Onset
2min
Duration
12.0hrs
Antivenom
✗ Not Available
Named Toxins
crinotoxins protein toxins
Symptoms
  • pain
  • oedema
  • rare systemic effects
Affected Body Systems
peripheral nervous system
First Aid
Hot water immersion.
Medical Treatment

Wound care, analgesia.

References: Compiled from Bhide (2018), Halstead et al. (1988) and family-specific envenomation literature

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Comb-gilled Catfish
🌍CES křížovec nox
🇷🇺Russian Брустиариус

Scientific Synonyms

Scientific Name Author Year Status
Arius nox Herre 1935 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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