New 🐟 Mercury Safety Guide & Omega-3 Rankings Updated for 2026. View Omega-3 Rankings →

💧 Freshwater Least Concern 🌡️ Tropical

Rendahl's catfish

Porochilus rendahli Whitley, 1928
Max Length
20 cm
Max Weight
-
Lifespan
-
Trophic Level
3.6
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
22.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Occurs in billabongs and streams in slow to fast-flowing water that is clear to turbid with rock, gravel or sand bottoms . Feeds partly on mollusks .

Scientific Name
Porochilus rendahli
Authority
Whitley, 1928
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
20 cm
Trophic Level
3.6
Resilience
High
Vulnerability
22.00/100
Water Temp
18–20 °C
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Physical description for Rendahl's catfish is currently being compiled.

🌀 Behaviour

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

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; demersal; pH range: 7.3 - 8.3; dH range: ? - 20. Tropical; 18°C - 20°C endemic to Australia.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3.6±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00468 × L3.06 (TL)
Max TL
20cm

🌡️ Water Parameters & Tolerance

Temperature Range
18–20°C
pH Range
7.3–8.3
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
22.00/100
Low vulnerability
Trophic Level
3.6
Predator
Climate Zone
Tropical
Described By
Whitley, 1928

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Copidoglanis obscurus Rendahl 1922 Heterotypic
Copidoglanis rendahli Whitley 1928 Synonym
Neosilurus rendahli Whitley 1928 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 15 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Rendahl's catfish ↗
Suggest an Edit

Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.

Link to a scientific paper, FishBase, or other authoritative source
Report an Issue

Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.