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💧 Freshwater Least Concern 🎣 Game Fish 🌡️ Subtropical 🎣 Game Fish

Spotted bass

Micropterus punctulatus Rafinesque, 1819
Max Length
63.5 cm
Max Weight
4.7 kg
Lifespan
7 yrs
Trophic Level
3.6
Depth
-
Climate
Subtropical
Resilience
Medium
Vulnerability
58.00/100
Typical Length
30 cm
Depth Zone
demersal

📖 Overview

Inhabit clear, gravelly flowing pools and runs of creeks and small to medium rivers ; also found in streams, lakes and reservoirs . Juveniles feed on small crustaceans and midge larvae while adults eat insects, larger crustaceans, frogs, worms, grubs and small fish .

Scientific Name
Micropterus punctulatus
Authority
Rafinesque, 1819
Habitat
Freshwater
Climate
Subtropical
Body Shape
Short and / or deep
IUCN Status
LC
Max Length
63.5 cm
Max Weight
4.7 kg
Lifespan
7 years
Trophic Level
3.6
Resilience
Medium
Vulnerability
58.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

: short and / or deep.

🌀 Behaviour

Behavioural data for Spotted bass 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

Assuming same reproductive mode as M. dolomieu.

🌍 Habitat & Distribution

Freshwater; demersal. Subtropical; 40°N - 29°N North America: Mississippi River basin from southern Ohio and West Virginia to southeastern Kansas, and south to the Gulf of Mexico, USA; Gulf Slope drainages from Chattahoochee in Georgia to Guadalupe River in Texas, USA.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3.6±0.53
Food Items

small crustaceans and midge larvae while adults eat insects, larger crustaceans, frogs, worms, grubs

📐 Morphometrics

Length–Weight Relationship: W = 0.01148 × L3.08 (TL)
Max TL
63.5cm
Max Weight
4,700g

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2012

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
58.00/100
High vulnerability
Trophic Level
3.6
Predator
Body Shape
Short and / or deep
Climate Zone
Subtropical
Described By
Rafinesque, 1819

🎣 Angling Guide

Difficulty
Beginner
Fight Rating
strong initial run with head-shakes
Best Seasons
spring,summer,fall
Best Time
dawn and dusk
Line Weight
10-20
Rod Type
medium-heavy baitcasting
Hook Size
2/0-5/0
Catch & Release
✓ Recommended
Best Months
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Techniques
topwater lures plastic worms crankbaits spinnerbaits live bait
Bait & Lures
plastic worms crankbaits jigs topwater plugs live minnows
Recommended Tackle
  • medium-heavy 6-7ft baitcasting rod
  • fluorocarbon leader
  • baitcaster reel
Where to Find Them
  • weedy shallows
  • submerged timber
  • rocky drop-offs
  • docks and boat lifts
Tips & Tricks
Vary retrieve speed; cold fronts slow fish. Weedless rigs excel in cover.
Catch & Release Tips

Use barbless hooks, minimise air exposure, and revive fish head-first in current before release.

Regulations Summary

⚠️ Bag limits vary; check local slot-size regulations.

📊 Population Dynamics

Year Region Index Notes
- - -

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Calliurus punctulatus Rafinesque 1819 Synonym
Micropterus pseudaplites Hubbs 1927 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 129 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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View all observations for Spotted bass ↗
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