📖 Overview
Inhabits inshore waters, shallow estuaries, river mouths and sheltered bays . Benthic species. Feeds on worms, crustaceans and molluscs .
Scientific Name
Liopsetta putnami
🐟 Physical Description
Physical description for American smooth flounder is currently being
compiled.
🌀 Behaviour
Behavioural data for American smooth flounder is currently being
reviewed.
🦐 Diet
aquatic invertebrates
small fish
algae
detritus
🥚 Reproduction
Size at Maturity
9.8cm TL
🌍 Habitat & Distribution
Marine; brackish; demersal; depth range 1 - 27 m , usually ? - 10 m . Temperate; 60°N - 41°N, 71°W - 50°W Northwest Atlantic: Ungava Bay in Quebec, Canada to Rhode Island in USA.
🌿 Ecology
Zone Preferences
🌊 Marine
🌿 Brackish
⬇️ Benthic
Food Items
worms, crustaceans and molluscs (Ref
📐 Morphometrics
Length–Weight Relationship:
W = 0.00912 × L3.1
(TL)
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
IUCN Category
Least Concern
📊 Population Risk & Fisheries
Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
21.00/100
Low vulnerability
Trophic Level
3.4
Predator
🍽️ Edibility & Flavour
"Liopsetta Putnami 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 |
17.5 g |
| Omega-3 (total) |
276 mg
|
🔬 Mercury Safety
Mercury data for American smooth flounder 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
✓ Sustainable Choice
🔬 Full Nutritional Profile
Per 100g - Raw, per 100g
- Source: USDA FoodData Central templates (lean white fish average)
Proximate Composition
Energy90 kcal
Moisture80 %
Protein18 %
Total Fat1.2 %
Ash1.2 %
Fatty Acids (g)
Saturated Fat0.3 g
Monounsaturated Fat0.2 g
Polyunsaturated Fat0.4 g
Omega-3 Total0.3 g
EPA0.08 g
DHA0.15 g
Omega-6 Total0.05 g
Key Minerals & Vitamins
Calcium18 mg
Iron0.4 mg
Magnesium30 mg
Phosphorus200 mg
Potassium380 mg
Sodium60 mg
Zinc0.4 mg
Selenium30 µg
Vitamin B60.3 mg
Vitamin B121 µg
📊 Population Dynamics
| Year |
Region |
Index |
Notes |
| - |
- |
- |
|