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Fish profile · Centrarchidae

Bluegill

Lepomis macrochirus

SportFreshwaterLeast Concern (IUCN)

Bluegill is a small, deep-bodied North American sunfish with a blue cheek and a small mouth. It is frequently stocked in lakes and ponds for recreational fishing. Males build shallow nests and defend the eggs.

Last reviewed 26 October 2026 · 8 sources

Photo of Bluegill
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Max length
41 cm
usually 19.1 cm
Max weight
2.2 kg
IUCN
LC
Least Concern
Family
Centrarchidae
order Perciformes

Category from the IUCN Red List, via GBIF (CC BY 4.0); it may lag the latest Red List assessment.

How big?

Linear scale · hand 18 cm

Up to 41 cm and 2.2 kg.

The hand is 18 cm long.

How to identify

  • Deep, flattened body
  • Small mouth
  • Bluish cheek and gill cover

Habitat

LakesReservoirs

Often stocked in freshwater lakes and ponds for sport fishing.

Diet
Young fish eat tiny water animals and insects; adults mostly eat insect larvae, with some shrimps, crayfish, snails and small fish.
Native range
North America, from Canada south to northern Mexico.

Catching it

Season
In the northern US, best in spring and early summer, when bluegill spawn in shallow water.
Methods
Fly fishing
Baits and lures
WormsCrickets