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💧 Freshwater Least Concern 🍽️ Edible 🌡️ Tropical

African catfish

Heterobranchus bidorsalis Hilaire, 1809
Max Length
150 cm
Max Weight
30.0 kg
Lifespan
-
Trophic Level
3.7
Depth
-
Climate
Tropical
Resilience
Very low
Vulnerability
74.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Facultative air-breathing ; Hardly anything is known about the biology of this species . Maximum reported size for West Africa: 800 mm TL .

Scientific Name
Heterobranchus bidorsalis
Authority
Hilaire, 1809
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
150 cm
Max Weight
30 kg
Trophic Level
3.7
Resilience
Very low
Vulnerability
74.00/100
Water Temp
22–28 °C
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 40 - 46; Anal soft rays: 49 - 58; Vertebrae: 62 - 63. Diagnosis: length of rayed dorsal fin 37-42% standard length; 40-46 dorsal-fin rays; length of adipose fin 22-27% standard length . No serrations on the anterior part of the pectoral spine . Head oval-shaped to rectangular dorsally; snout broadly rounded; eyes rather laterally placed; frontal fontanelle long and narrow; occipital fontanelle relatively long and oval shaped; 'postorbital' bones completely united; suprabranchial organ well developed; pectoral spine smooth; openings of secondary sensory canals with regular geometric pattern . Coloration: preserved specimens: greyish-brown on back and sides, pale brown on belly; some specimens show a marbled colouration, particularly on posterior part of body; caudal fin often with one or more vertical cross-bars . Body and fins occasionally with irregularly placed spots .: elongated; Cross section: circular.

🌀 Behaviour

Behavioural data for African catfish is currently being reviewed.

🦐 Diet

Diet information for African catfish is currently being compiled.

🥚 Reproduction

Reproduction data for African catfish is currently being compiled.

🌍 Habitat & Distribution

Freshwater; demersal. Tropical; 22°C - 28°C ; 35°N - 4°N

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3.7±0.7

📐 Morphometrics

Length–Weight Relationship: W = 0.00832 × L2.97 (TL)
Max TL
150cm
Max Weight
30,000g
Dorsal Rays
43
Anal Rays
54
Vertebrae
63

🌡️ Water Parameters & Tolerance

Temperature Range
22–28°C
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
Very low
Minimum doubling time
Fishing Vulnerability
74.00/100
High vulnerability
Trophic Level
3.7
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Hilaire, 1809

🍽️ Edibility & Flavour

"African catfish is an edible species."

✗ Not for Raw
✓ Fresh Indicators
  • Clear, bright eyes — cloudy eyes indicate age
  • Firm flesh that springs back when pressed
  • Fresh ocean smell, never strong or ammonia-like
  • Bright red or pink gills, not grey or brown
  • Shiny, moist skin with scales tightly attached
✗ Avoid If
  • Cloudy or sunken eyes
  • Strong fishy or ammonia odour
  • Soft, mushy flesh that doesn't spring back
  • Discoloured or dry flesh
Best Cooking Methods
Baking Grilling Pan-frying

Nutrition

Detailed nutritional data for African catfish is currently being compiled from USDA FoodData Central.

🔬 Mercury Safety

Mercury data for African catfish has not yet been assigned. Please consult FDA/EPA guidance for general seafood safety advice.

🌿 Sustainability

Best Choice
Healthy stocks, low impact
Good Alternative
Well-managed, minor concerns
Use Caution
Check sourcing and season
Avoid
Overfished or high impact

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Eel-like Fattyfin Catfish
🇸🇦Arabic Garmout · Karkor Haleh · Surta
🌍CES keříčkovec severoafrický
🇫🇷French Poisson chat africain
🌍GLE Denor
🌍HAU Ramboshi
🌍IBO Azu isii
🌍WOL Biblique · Kaaranxulle

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 19 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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View all observations for African catfish ↗
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