📖 Overview
Facultative air-breathing ; Adults inhabit quiet pools and backwaters of creeks and small to large rivers, swamps, lakes and overflow areas of large streams. Often occur near vegetation and submerged logs. Feed on other fishes and insects. Spawning occurs over vegetation or other submerged objects .
Scientific Name
Lepisosteus platostomus
Authority
Rafinesque, 1820
🐟 Physical Description
: elongated.
🌀 Behaviour
Behavioural data for Shortnose gar is currently being
reviewed.
🦐 Diet
aquatic invertebrates
small fish
algae
detritus
🥚 Reproduction
🐣 Oviparous
🌍 Habitat & Distribution
Freshwater; demersal; potamodromous . Subtropical; 10°C - 18°C ; 46°N - 31°N North America: USA in Mississippi River basin from south central Ohio, north Indiana, and Wisconsin to Montana and south to north Alabama and Louisiana; Lake Michigan drainage, Wisconsin ; Calcasieu and Mermentau rivers on Louisiana Gulf Coast.
🌿 Ecology
Zone Preferences
💧 Freshwater
⬇️ Benthic
Food Items
other fishes and insects
📐 Morphometrics
Length–Weight Relationship:
W = 0.00186 × L3.21
(TL)
🌡️ Water Parameters & Tolerance
Temperature Range
10–18°C
🛡️ Conservation Assessment
IUCN Category
Least Concern
📊 Population Risk & Fisheries
Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
57.00/100
High vulnerability
Trophic Level
3.9
Predator
Described By
Rafinesque, 1820
🎣 Angling Guide
Fight Rating
strong pulls with head-shakes
Best Seasons
spring,summer,fall
Best Time
incoming tide, dawn and dusk
Rod Type
medium-heavy spinning
Catch & Release
✓ Recommended
Best Months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Techniques
bottom fishing
popping cork
soft plastics
live bait
Bait & Lures
live shrimp
cut mullet
soft plastic paddle-tails
popping corks
Recommended Tackle
-
medium-heavy 7ft spinning rod
-
30-50 lb braid
-
fluorocarbon leader
Where to Find Them
-
grass flats
-
oyster bars
-
marsh drains
-
deeper channel edges
Tips & Tricks
Popping cork technique attracts fish from distance. Fish moving tides.
Catch & Release Tips
Use barbless hooks, minimise air exposure, and revive fish head-first in current before release.
Regulations Summary
⚠️
Slot limits protect breeding-size fish. Verify daily bag limits.
🍽️ Edibility & Flavour
"Shortnose gar 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 Shortnose gar is
currently being compiled from USDA FoodData Central.
🔬 Mercury Safety
Mercury data for Shortnose gar 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 |
| - |
- |
- |
|
🌐 Names & Taxonomy
Scientific Synonyms
|
Scientific Name |
Author |
Year |
Status |
|
Cylindrosteus rafinesquii |
Duméril |
1870 |
Synonym
|
|
Cylindrosteus scabiceps |
Fowler |
1911 |
Synonym
|
|
Cylindrosteus scabriceps |
Fowler |
1911 |
Synonym
|
|
Lepisosteus albus |
Rafinesque |
1820 |
Synonym
|
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 18 records indexed
.