Coelarthrum sp.

Red Sea Pearls

(Coelarthrum sp.)

Red Sea Pearls is a boutique red macroalga featuring elegant, bead-like clusters that resemble strands of ruby gemstones. Its vibrant color and sculptural form bring a refined, luxury look to any macroalgae display—yet it remains surprisingly beginner-friendly and easy to keep.

Care Level: Easy

Growth Rate: Slow to moderate

Lighting: Moderate to high, full-spectrum for best color

Flow: Moderate

Placement: more towards bottom of tank to encourage it to grow upwards towards the lights  

With its calcareous structure and naturally vivid tone, this piece adds instant visual richness to tanks of any size.