| Aspect: | Bottle-green polished egg. It is a unicellular (single cell) element and one of the largest amongst the algae, and in the Plant Kingdom for that matter. |
| Population: | Common. |
| Notable feature: | Shiny when not covered in encrusting algae; looks like made of glass. |
| Environment: | Affixes to any substrate providing adequate grip to its hair-thin attachments. |
| Behaviour: | - |