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💧 Freshwater Least Concern 🍽️ Edible 🎣 Game Fish ⚠️ Venomous ⚡ Traumatogenic 🌡️ Tropical

Great snakehead

Channa marulius Hamilton, 1822
Max Length
183 cm
Max Weight
30.0 kg
Lifespan
-
Trophic Level
4.5
Depth
-
Climate
Tropical
Resilience
Medium
Vulnerability
55.00/100
Typical Length
46 cm
Depth Zone
-

📖 Overview

Obligate air-breathing ; Adults occur in sluggish or standing water in canals, lakes, and swamps . Theyinhabit waters with submerged aquatic vegetation . Usually found only in deep pools in rivers and occasionally in lakes. They enter flooded forest . Carnivorous and subsist on fish, frogs, snakes, insects, earthworms and tadpoles . There are reports of this species taking water birds, snakes, and rodents. Males are territorial. May bite when caught (Elliot Bligh, pers. comm., 2001).

Scientific Name
Channa marulius
Authority
Hamilton, 1822
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
183 cm
Max Weight
30 kg
Trophic Level
4.5
Resilience
Medium
Vulnerability
55.00/100
Migration
Non-migratory
Water Temp
24–28 °C
Salinity
0–0.5 ppt

🐟 Physical Description

: elongated.

🌀 Behaviour

Behavioural data for Great snakehead is currently being reviewed.

🦐 Diet

Diet information for Great snakehead is currently being compiled.

🥚 Reproduction

Builds floating nest of weeds and leaves where the orange-yellow eggs are deposited. Eggs hatch in 36 to 48 hours and fry remain in the nest for about 10 days after hatching. Parents guards the fry for about a month.

🌍 Habitat & Distribution

Freshwater; benthopelagic; non-migratory . Tropical; 24°C - 28°C south to Thailand and Cambodia (Ref.

🌿 Ecology

Zone Preferences
💧 Freshwater
Migration
Non-migratory
Trophic Level
4.5±0.8

📐 Morphometrics

Length–Weight Relationship: W = 0.00708 × L2.92 (TL)
Max TL
183cm
Max Weight
30,000g

🌡️ Water Parameters & Tolerance

Temperature Range
24–28°C
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2009

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
55.00/100
Moderate-High vulnerability
Trophic Level
4.5
Apex / Top predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Hamilton, 1822

🍽️ Edibility & Flavour

"Channa Marulius 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 18.3 g
Omega-3 (total) 198 mg

🔬 Mercury Safety

Mercury data for Great snakehead 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

👥 Community & Contribute

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