Blue Tunicate (Rhopalaea birkelandi)
Invertebrate in the family Rhopalaeidae. Moderate care. Reef Safe.
Quick facts
Diet and feeding
Filter feeders that consume phytoplankton, zooplankton, and dissolved organics. Benefit from regular phytoplankton supplementation and well-established biofilms.
Origin and habitat
Indo-Pacific, including waters around the Hawaiian Islands and broader tropical Pacific coral reef regions.
Keeper notes
• Minimum 20 gallon tank • Prefers stable, established reef systems with gentle to moderate flow • Maintain temperature 72–78°F, pH 8.1–8.3, and salinity 1.023–1.025 • Filter feeder; ensure adequate phytoplankton and dissolved organic matter; may benefit from occasional targeted feeding • Attach or position on stable surfaces away from aggressive corals and predatory fish
Log Blue Tunicate in your reef tank
Reef Trak gives you the full record on every species in your tank: acquisition date, source, photos, parameters at time of stocking, and links to maintenance and feeding events. Track Blue Tunicate alongside everything else in your reef.
