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💧 Freshwater Least Concern 🍽️ Edible 🌡️ Tropical

Hemisilurus Heterorhynchus

Hemisilurus heterorhynchus Bleeker, 1854
Max Length
80 cm
Max Weight
-
Lifespan
-
Trophic Level
4.1
Depth
-
Climate
Tropical
Resilience
Very low
Vulnerability
62.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Occurs in medium to large-sized rivers . Stomach contents consist of small fish and prawns . Processed as smoked fish .

Scientific Name
Hemisilurus heterorhynchus
Authority
Bleeker, 1854
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
80 cm
Trophic Level
4.1
Resilience
Very low
Vulnerability
62.00/100
Salinity
0–0.5 ppt

🐟 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
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; demersal. Tropical

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
4.1±0.7

📐 Morphometrics

Length–Weight Relationship: W = 0.00562 × L3 (TL)
Max TL
80cm
Anal Rays
85

🌡️ Water Parameters & Tolerance

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
62.00/100
High vulnerability
Trophic Level
4.1
Apex / Top predator
Body Shape
Elongated
Climate Zone
Tropical
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

Year Region Index Notes
- - -

👥 Community & Contribute

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