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💧 Freshwater Data Deficient 🍽️ Edible 🌡️ Tropical

Bighead catfish

Clarias macrocephalus Günther, 1864
Max Length
120 cm
Max Weight
45.0 kg
Lifespan
-
Trophic Level
3.7
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
63.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Facultative air-breathing ; Lives in lowland wetlands and rivers . Recorded as having been or being farmed in rice fields . Occurs in shallow, open water and is capable of lying buried in mud for lengthy period if ponds and lakes evaporate during dry seasons . Can move out of the water using its extended fins . Found in medium to large-sized rivers, stagnant water bodies including sluggish flowing canals and flooded fields of the Mekong . Spawns in small streams . Feeds on aquatic insects, young shrimps and small fishes . In Thailand, it was thought wrongly as female of Clarias batrachus (Ref 2686). Important foodfish and in pond cultures . Marketed live, fresh and frozen; consumed fried, broiled and baked . Cultivated on a small scale but attempts to farm it are increasing .

Scientific Name
Clarias macrocephalus
Authority
Günther, 1864
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
DD
Max Length
120 cm
Max Weight
45 kg
Trophic Level
3.7
Resilience
High
Vulnerability
63.00/100
Migration
Potamodromous

🔬 Taxonomy

Kingdom
Animalia
Phylum
Chordata
Class
Teleostei
Teleostei
Order
Siluriformes
Siluriformes
Family
Clariidae
Clariidae
Genus
Clarias
Clarias
Species
Bighead catfish
Clarias macrocephalus

🐟 Physical Description

Dorsal spines (total): 0. Distinguished from Southeast Asian congeners by an extremely short and rounded occipital process and by a very high dorsal fin. The combination of these characters are diagnostic for the species . Occipital process wide, broadly curved, with length 3-5 times in its width; distance between dorsal and occipital process 5-7 times in distance from tip of snout to end of occipital process .: elongated.

🌀 Behaviour

Behavioural data for Bighead catfish is currently being reviewed.

🦐 Diet

Diet information for Bighead catfish is currently being compiled.

🥚 Reproduction

Eggs are attached to the roots of plants. Male takes charge of these eggs until they are hatched out.

🌍 Habitat & Distribution

Freshwater; brackish; benthopelagic; potamodromous ; depth range 1 - ? m . Tropical; 34°N - 4°N

🌿 Ecology

Zone Preferences
💧 Freshwater 🌿 Brackish
Migration
Potamodromous
Trophic Level
3.7±0.58
Food Items

aquatic insects, young shrimps and small fishes (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00851 × L2.97 (TL)
Max TL
120cm
Max Weight
45,000g

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
63.00/100
High vulnerability
Trophic Level
3.7
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Günther, 1864

🍽️ Edibility & Flavour

"Bighead 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

Per 100g cooked - Source: USDA FoodData Central

Nutrient Amount
Protein 16.4 g
Omega-3 (total) 114 mg

🔬 Mercury Safety

Mercury data for Bighead 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

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 13 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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