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Mermaid's Wine Glass
Acetabularia acetabulum
Family: Polyphysaceae
📍 Mediterranean and Eastern Atlantic
One of the most extraordinary organisms in biology — a single giant cell shaped like a wine glass on a slender stalk. Each 'plant' is a single cell that can grow to 10 cm. Famous in cell biology research. In aquariums it anchors in sand and is a remarkable conversation piece. Prefers cooler, calcium-rich water.
Keeping this species
- note
- single-celled organism — entire visible plant is one cell; calcified stalk
- role
- beneficial — display curiosity
- placement
- sandbed
- lightLevel
- medium
- temperature
- 59–72°F (15–22°C)
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Temperature
59–72°F
15–22°C
Natural Habitat Temperature
59°F — 77°F seasonal range · (Jan low, Aug high)