Macroalgae
Decorative and functional species for nutrient export, refugia, and naturalistic displays.
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Additional reference images for Macroalgae
Caulerpa
Fast-growing macroalgae with grape-like fronds — popular in refugiums, but runners and fragments can escape and overrun display rockwork if not contained early.
Chaeto
Chaetomorpha—the refugium staple that tumbles and soaks up nutrients like a champ.