
Mosses, floating plants, and macroalgae
Bubble Algae
Valonia ventricosa
Photo: Haplochromis · Public domain · Wikimedia Commons
Key facts
- Temperature22–28 °C
- pH8–8.4
- Adult size5 cm
- Difficulty★☆☆☆☆
- WaterMarine
Full profile
- Family
- Valoniaceae
- Origin
- Tropical seas
- Size
- 1 – 5 cm
- Temperature
- 22 – 28°C
- pH
- 8.0 – 8.4
- Salinity
- 1.023 – 1.025
- Difficulty
- ★☆☆☆☆
- Water type
- marine
- Light
- any
- Fertilization
- absorbs nutrients
- Growth
- medium
- Position
- on the rock (pest)
- Propagation
- spores and fragmentation
Notes: One of the largest single-celled organisms in the world, resembling a bright green bubble. In aquariums, it is considered a pest; do not pop it when removing it, as it will spread spores.





