Bluegill Sunfish
Lepomis macrochirus
Bluegill Sunfish (Lepomis macrochirus) — Varies care, Peaceful, under Other. Minimum tank in the app: 70 US gal min; aim for 41–73°F and pH 6.5–7.5. Bluegill Sunfish are captivating additions for aquarists seeking a dynamic and semi-aggressive species.

Captive lifespan reflects typical experience in a home aquarium, not maximum recorded age; genetics, sourcing, and care vary.
Natural distribution
North America
- Central America & Mexico
Regional colours match the stocking calculator’s origin map.
Bluegill Sunfish Tank Setup
Create a spacious layout with hiding spots, such as rocks and plants, to provide security and reduce aggression. A gentle water flow and a sandy or gravel substrate will help replicate their natural habitat. Ensure good filtration to manage their higher bioload and maintain stable water conditions.
What Do Bluegill Sunfishs Eat?
Bluegills have a moderate feeding pace and can be competitive, particularly when food is introduced. Offering a varied diet of flakes, pellets, and live or frozen foods can enhance their health and coloration, but be mindful of overfeeding due to their bioload impact.
Bluegill Sunfish Tank Mates
Ideal companions are larger, robust species that can withstand occasional aggressiveness, such as certain cichlids or larger barbs. Avoid small or overly passive fish, as they may become targets for bullying. Intraspecies interactions are generally non-aggressive but can escalate in smaller quarters.
Are Bluegill Sunfishs Good for Beginners?
Care demand varies with setup and individual fish; use the numbers above as your baseline. Aquarists often underestimate the space and filtration needed for Bluegills, leading to water quality issues and stress. mixing them with overly small or peaceful species can result in aggression and harm, while feeding neglect can lead to health problems due to their dietary needs.
Building a community? Run the full list through the stocking calculator before you add anything else.
Log tests and reminders in App-aquatic—free, same data you see here.




