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💧 Freshwater Least Concern 🍽️ Edible 🎣 Game Fish 🌡️ Subtropical

Shortnose gar

Lepisosteus platostomus Rafinesque, 1820
Max Length
88 cm
Max Weight
2.6 kg
Lifespan
20 yrs
Trophic Level
3.9
Depth
-
Climate
Subtropical
Resilience
Low
Vulnerability
57.00/100
Typical Length
62.5 cm
Depth Zone
demersal

📖 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
Habitat
Freshwater
Climate
Subtropical
Body Shape
Elongated
IUCN Status
LC
Max Length
88 cm
Max Weight
2.6 kg
Lifespan
20 years
Trophic Level
3.9
Resilience
Low
Vulnerability
57.00/100
Migration
Potamodromous
Water Temp
10–18 °C
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

: elongated.

🌀 Behaviour

Behavioural data for Shortnose gar is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 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
Migration
Potamodromous
Trophic Level
3.9±0.7
Food Items

other fishes and insects

📐 Morphometrics

Length–Weight Relationship: W = 0.00186 × L3.21 (TL)
Max TL
88cm
Max Weight
2,600g

🌡️ Water Parameters & Tolerance

Temperature Range
10–18°C
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2012

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
57.00/100
High vulnerability
Trophic Level
3.9
Predator
Body Shape
Elongated
Climate Zone
Subtropical
Described By
Rafinesque, 1820

🎣 Angling Guide

Difficulty
Beginner
Fight Rating
strong pulls with head-shakes
Best Seasons
spring,summer,fall
Best Time
incoming tide, dawn and dusk
Line Weight
15-30
Rod Type
medium-heavy spinning
Hook Size
2/0-5/0
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 .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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