📖 Overview
Occurs in medium to large-sized rivers . Stomach contents consist of small fish and prawns . Processed as smoked fish .
Scientific Name
Hemisilurus heterorhynchus
🐟 Physical Description
Anal soft rays: 85. Dorsal fin missing.: elongated.
🌀 Behaviour
Behavioural data for Hemisilurus Heterorhynchus is currently being
reviewed.
🦐 Diet
small fish
crustaceans
cephalopods
🥚 Reproduction
🐣 Oviparous
🌍 Habitat & Distribution
Freshwater; demersal. Tropical
🌿 Ecology
Zone Preferences
💧 Freshwater
⬇️ Benthic
📐 Morphometrics
Length–Weight Relationship:
W = 0.00562 × L3
(TL)
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
IUCN Category
Least Concern
📊 Population Risk & Fisheries
Population Resilience
Very low
Minimum doubling time
Fishing Vulnerability
62.00/100
High vulnerability
Trophic Level
4.1
Apex / Top predator
Described By
Bleeker, 1854
🍽️ Edibility & Flavour
"Hemisilurus Heterorhynchus 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 Hemisilurus Heterorhynchus is
currently being compiled from USDA FoodData Central.
🔬 Mercury Safety
Mercury data for Hemisilurus Heterorhynchus 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
🔬 Full Nutritional Profile
Per 100g - Raw, per 100g
- Source: USDA FoodData Central templates (generic fish average)
Proximate Composition
Energy125 kcal
Moisture75 %
Protein20 %
Total Fat4 %
Ash1.3 %
Fatty Acids (g)
Saturated Fat1 g
Monounsaturated Fat1.2 g
Polyunsaturated Fat1.5 g
Omega-3 Total1 g
EPA0.3 g
DHA0.5 g
Omega-6 Total0.3 g
Key Minerals & Vitamins
Calcium20 mg
Iron0.7 mg
Magnesium30 mg
Phosphorus220 mg
Potassium380 mg
Sodium55 mg
Zinc0.5 mg
Selenium32 µg
Vitamin B122 µg
📊 Population Dynamics
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Region |
Index |
Notes |
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