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💧 Freshwater Endangered 🍽️ Edible 🌡️ Subtropical

Flathead trout

Salmo platycephalus Behnke, 1968
Max Length
55 cm
Max Weight
-
Lifespan
-
Trophic Level
3.6
Depth
-
Climate
Subtropical
Resilience
Low
Vulnerability
59.00/100
Typical Length
-
Depth Zone
-

📖 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
Authority
Behnke, 1968
Habitat
Freshwater
Climate
Subtropical
IUCN Status
EN
Max Length
55 cm
Trophic Level
3.6
Resilience
Low
Vulnerability
59.00/100
Salinity
0–0.5 ppt

🐟 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
Spawning Season
spring
Spawn Location
Nest
Fertilization
External

🌍 Habitat & Distribution

Freshwater; benthopelagic. Subtropical

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.6±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.01047 × L3.03 (TL)
Max TL
55cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Endangered
Assessment Date
2013

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
59.00/100
High vulnerability
Trophic Level
3.6
Predator
Climate Zone
Subtropical
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
- - -

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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View all observations for Flathead trout ↗
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