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Species: Morone mississippiensis, Yellow Bass

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5-7 stripes, lower broken & offset
lower jaw NOT projecting
tongue: no central tooth patch
A: 2nd spine thick, > base of fin
LL 47-55

Morone mississippiensis Jordan & Eigenmann, 1887

Yellow Bass

Body oblong, slightly compressed; upper profile of head distinctly arched; mouth large, lower jaw not projecting, top jawbone wide at rear and mostly exposed when mouth is closed; jaws with bands of small conical teeth, no canines; bands of small simple teeth on sides and front of roof of mouth; tongue with teeth along sides but none in center; membranes under gills join well forward; gill rakers 19-29; rear edge of opercle with 2 flat points; preopercle rounded, finely serrated; dorsal fin notched to its base between spiny and soft parts, IX + I, 12; tail fin forked, heavily scaled on its base; anal fin III, 9-10, its origin well behind origin of soft dorsal fin, second spine greatly thickened and longer than length of anal fin base when depressed; head and body covered with small, rough scales; lateral line continuous, with 47-55 scales.

Greyish above, lower body yellowish; 5-7 dark olive stripes along body, lower stripes distinctly broken and offset under soft dorsal.

Reaches 46 cm; current IGFA record 1.2 kg.

Freshwater, but enters low-salinity estuaries.

Depth range: 0-15 m.

Lake Michigan and Mississippi drainages, and W Gulf of Mexico drainages (to near Galveston).

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  • Brackish
  • Freshwater
  • Non Marine
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Sand & gravel
  • Estuary
  • Freshwater
  • Mud
FishBase Habitat
  • Demersal
Feeding Group
  • Carnivore
  • Data
  • Planktivore
  • Data
  • Zooplankton
  • Bony fishes
  • Mobile benthic crustacea (shrimps/crabs)
Egg Type
  • Benthic
  • Data
  • No pelagic larva
  • No pelagic phase
Global Endemism
  • All species
  • Greater Caribbean non-endemic
  • West Atlantic Endemic
Regional Endemism
  • Continent
  • Continent only
  • Extends North of GC
  • GC non-endemic
  • All species
  • Resident
Climate Zone
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
  • Temperate (>35N)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 46
Depth Range Min
  • 0
Depth Range Max
  • 15