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Grape Caulerpa
Caulerpa racemosa
Plantae›Chlorophyta›Ulvophyceae›Caulerpaceae
📍 Worldwide in tropical seas and Mediterranean
Creeping runners bearing upright branches tipped with small spherical beads — resembling tiny bunches of grapes. One of the most vigorous nutrient-exporting macroalgae; grows rapidly in refugia. Can go sexual and crash if left unharvested for too long. Listed as invasive in the Mediterranean.
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Quick Facts
- role
- beneficial — refugium
- warning
- harvest frequently to prevent going sexual; invasive in some regions
- placement
- sump refugium
- lightLevel
- medium