Staghorn Algae Care Guide
Compsopogon sp. · Freshwater algae

Suggested tank
5+ gal
Origin
Worldwide
Family
Rhodophyta
What Staghorn Algae look like
Grey-green branching filaments resembling tiny antlers or stag horns. Grows 1–4 cm long, typically on leaf edges, filter outlets, and hardscape near flow.
Behavior & temperament
Thrives in tanks with poor CO2 distribution and excess iron. Often appears alongside BBA in tanks with inconsistent CO2 injection.
Diet & feeding
Photosynthetic autotroph utilizing dissolved iron and trace nutrients.
Behind the name
Named for its branching pattern resembling deer antlers.
Plan your tank
Check the numbers before you buy: tank volume, a stocking plan, cycle progress, water changes, and your ongoing care routine.
Keeping Staghorn Algae?
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