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Spirogyra
Spirogyra sp.
Plantae›Charophyta›Zygnematophyceae›Zygnemataceae
📍 Worldwide in slow-moving freshwater
Bright green filamentous algae with distinctive spiral chloroplasts. In small amounts it's a natural part of the ecosystem and a food source for many invertebrates. Can quickly overtake a tank if nutrients or CO₂ are out of balance. Best controlled by reducing phosphates and manual removal.
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Quick Facts
- role
- nuisance / natural
- cause
- high phosphate, low CO₂
- control
- reduce nutrients, manual removal, Amano shrimp