Fauna
Species · GBIF taxon 2394494

Green Sunfish

Lepomis cyanellus

Also known as Green Perch, Blue-spotted Sunfish, Shadeperch, Rubberhead

Green sunfish thrive in slow-moving streams, ponds, and warm lakes across North America, where their exceptionally large mouths allow them to swallow prey nearly half their own size. Distinguishable by turquoise streaks on their cheeks and yellowish margins on their fins, these remarkably resilient panfish establish aggressive nesting territories in shallow gravel beds. Males fiercely guard their fan-shaped nests, driving away intruders many times their size with bold displays.

FreshwaterTerritorialPanfish
Green Sunfish reference1 / 7
Licensed reference(c) Aiva Noringseth, some rights reserved (CC BY) · cc-by
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Least ConcernConservation statusIUCN Red List categoriesLCNTVUENCREWEXLeast ConcernRed List categories, explained →
Key facts
Diet & prey
  • Aquatic Insects
  • Crayfish
  • Small Fish
Predators
  • Largemouth Bass
  • Great Blue Heron
  • Northern Water Snake
ThreatsWater pollution, wetland loss, invasive competitors
HabitatsVegetated ponds, quiet streams, lakes, sluggish rivers
Life span5–10 years
Classification
  1. FamilyCentrarchidae
  2. SpeciesLepomis cyanellus
Range & activity
Range data is not available yet.
Safe observation
Interaction riskLow
  1. Low
  2. Moderate
  3. High
  4. Very high
Why interaction risk is low
Sharp dorsal spines can prick hands during handling; fold fins flat before holding.
Responsible observation
  • Handling: Gently smooth down the sharp dorsal spines toward the tail before grasping.
  • Observation: Look for active shallow nests along quiet gravel shores during spring and summer.
  • Aquarium Care: Provide ample rock caves and hiding spots to temper their territorial aggression.
Related species
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