📖 Overview
Flathead trout (Salmo platycephalus) is a ray-finned fish of the family Salmonidae. It inhabits freshwater waters. This species can reach a maximum total length of 55 cm. With a trophic level of 3.6, it is a mid-level predator. It is assessed as Endangered on the IUCN Red List. Commercially fished and consumed as food.
Scientific Name
Salmo platycephalus
🐟 Physical Description
Physical description for Flathead trout is currently being
compiled.
🌀 Behaviour
Behavioural data for Flathead trout is currently being
reviewed.
🦐 Diet
aquatic invertebrates
small fish
algae
detritus
🥚 Reproduction
🐣 Oviparous
🪺 Nest Builder
🛡️ Egg Guarder
🌍 Habitat & Distribution
Freshwater; benthopelagic. Subtropical
🌿 Ecology
Zone Preferences
💧 Freshwater
📐 Morphometrics
Length–Weight Relationship:
W = 0.01047 × L3.03
(TL)
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
59.00/100
High vulnerability
Trophic Level
3.6
Predator
Described By
Behnke, 1968
🍽️ Edibility & Flavour
"Flathead trout 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 Flathead trout is
currently being compiled from USDA FoodData Central.
🔬 Mercury Safety
Mercury data for Flathead trout 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 (oily fish average)
Proximate Composition
Energy180 kcal
Moisture68 %
Protein22 %
Total Fat8 %
Ash1.4 %
Fatty Acids (g)
Saturated Fat1.8 g
Monounsaturated Fat2.6 g
Polyunsaturated Fat3.2 g
Omega-3 Total2 g
EPA0.6 g
DHA1.1 g
Omega-6 Total0.6 g
Key Minerals & Vitamins
Calcium15 mg
Iron0.9 mg
Magnesium28 mg
Phosphorus235 mg
Potassium380 mg
Sodium55 mg
Zinc0.5 mg
Selenium35 µg
Vitamin D550 IU
Vitamin B3 (Niacin)8 mg
Vitamin B123.2 µg
📊 Population Dynamics
| Year |
Region |
Index |
Notes |
| - |
- |
- |
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🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed
.