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Süsswassertang
Lomariopsis lineata
Family: Lomariopsidaceae
Often mistaken for a moss, Süsswassertang (German for 'freshwater seaweed') is actually a fern prothallus — the juvenile phase of a fern. It produces small, bright green, tear-drop-shaped cells that cluster into irregular clumps or sheets. Grows slowly and does not need to be attached — it can float freely or be loosely placed on hardscape. Very popular in shrimp tanks and nano setups due to its low-maintenance nature and the intricate hiding spaces it creates for juvenile shrimp.
Keeping this species
- co2
- Not required
- light
- Low to medium
- max size
- Clumps up to 5–10 cm
- placement
- Foreground, surface, or floating
- substrate
- None — free-floating or loosely draped on hardscape
- growth rate
- Slow
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Water it likes
- ph
- 6.0–7.5
- notes
- Thrives in shrimp tanks. Does not attach; simply place on hardscape or let float.
- hardness
- 0–10 dGH
- temperature
- 149–180°F (65–82°C)