Back to Flora & Fauna Ask Finn
No photo yet
Sign in to submit the first photo
algaemediumFreshwater
Thread Algae
Zygnema sp.
Family: Zygnemataceae
📍 Worldwide in slow freshwater
Very fine, dark green threads — slightly stiffer than Spirogyra and less silky. Wraps tightly around plant stems and mosses. Caused by low CO₂ and high light. Siamese Algae Eaters are one of the few fish that readily consume it.
Keeping this species
- role
- nuisance
- cause
- low CO₂, high light, low flow
- control
- Siamese Algae Eater, raise CO₂, reduce photoperiod
Community Photos
0 photosPhotos are added when members log a tank with this species and upload a photo in their tank journal. Add your own tank to contribute.
No photos yet — add a tank with Thread Algae to be the first!
Sign in to vote.
Tips from the community 💡
0 tipsReal experiences, care advice, and keeper notes. Finn learns from these too.
Sign in to share your experience.
No community tips yet — be the first to share your knowledge!
Stats
Community tips0
Kept by0 hobbyists