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AlgaeeasySaltwater

Red Gracilaria

Gracilaria sp.

Also known as Red Gracilaria Algae, Gracilaria Seaweed

PlantaeRhodophytaFlorideophyceaeGracilariaceae

📍 Worldwide tropical and subtropical seas

Bushy red-to-burgundy macroalgae prized as live food for herbivorous fish — tangs, rabbitfish, and urchins graze on it enthusiastically. Also an excellent nutrient exporter in refugia. Tumbles well under flow and tolerates a wide range of conditions.

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Quick Facts

flow
tumbling or moderate
note
excellent tang food — offer directly in display tank
role
beneficial — food and refugium
lightLevel
medium

Water it likes

ph
8.0–8.4
hardness
8–18 dGH
temperature
68–82°F (20–28°C)

Legality

No state or federal restrictions on record for this species.

Not legal advice, and possibly incomplete or out of date. Rules vary by state and locality and change over time — always confirm the current regulations with your state wildlife or agriculture agency before buying, keeping, or shipping this species.

Stats

Community tips0
Kept by0 hobbyists