Saint Thomas Mushroom

The Saint Thomas Mushroom is a rare and spectacular mushroom coral, prized for its rippled texture and vibrant colors ranging from intense orange to brilliant red, sometimes with fluorescent reflections under actinic lighting. Native to tropical reefs in the Western Atlantic and Caribbean, this coral belongs to the Discosomatidae family and is distinguished from other mushroom corals by its distinct lobes and almost bulbous appearance. Easy to care for and hardy, it is perfect for aquarists of all skill levels.

Key Benefits:

✔ Easy-care coral – Ideal for beginners and experienced reefers alike.

✔ Bright, Fluorescent Colors – Vibrant orange and bright red hues under blue light.

✔ Moderate and non-invasive growth – Does not quickly colonize the aquarium.

✔ Does not require strong mixing – Prefers areas with low or moderate current.

✔ Reef Safe – Safe for fish and most invertebrates.

Technical characteristics:

• Scientific name: Rhodactis sp. Saint Thomas

• Average adult size: 5-10 cm in diameter

• Origin: Caribbean, West Atlantic

• Ideal temperature: 24-28°C

• Density: 1.023 – 1.025

• pH: 8.1 – 8.4

• Light: Low to moderate (reacts strongly to actinic lighting)

• Water flow: Low to moderate (avoid strong currents)

Care Instructions & Recommendations:

1️⃣ Compatibility : Suitable for reef aquariums, coexists well with other soft corals and LPS.

2️⃣ Diet : Feeds mainly on light but appreciates plankton and micro-particles.

3️⃣ Placement : Ideal on shaded or slightly exposed rocky areas.

4️⃣ Acclimatization : Proceed slowly with the drop-by-drop method to avoid any stress.

5️⃣ Maintenance : Avoid direct exposure to aggressive corals such as euphyllias or anemones.