Bounce Mushroom (Rhodactis Inchoata)
The Bounce Mushroom is a small corallimorph best known from Tongan collection sites. A ring of short tentacles lines the edge of its oral disc, while tiny bumps cluster together at the center, giving it a distinctive texture unlike other mushroom corals. Specimens typically show a base color of blue, reddish-purple, or green, often with a contrasting color around the mouth, making it a striking focal point or accent in any layout. It's considered an easy species for beginners, so it suits hobbyists who are just starting out with corals. While it doesn't move much, its degree of "puffiness" shifts with lighting and flow, offering something new to notice each day.
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Bounce Mushroom (Rhodactis Inchoata) key facts
- Care level
- Beginner-friendly
- Temperature
- 24〜26℃
- Diet
- Nutrition from its zooxanthellae, supplemented by micro-plankton, brine shrimp and similar foods.
- Lighting
- LiveAquaria lists Rhodactis mushrooms as low to moderate light corals. Strong light makes them shrink and lose colour, so raise light levels gradually.
- Flow & Placement
- LiveAquaria gives placement as bottom and flow as low to medium. The disc opens best on low rockwork or a frag rack in gentle flow.
- Water Temperature & Quality
- Water 24-26C, specific gravity 1.023-1.025 (salinity 33-35 ppt), pH 8.1-8.4, KH 8-12. Iodine, magnesium and trace elements are recommended. It tolerates modest swings in water quality.
- Feeding
- It can be kept on zooxanthellae alone, but feeding micro-plankton or brine shrimp to each disc speeds growth and division.
- Notes
- LiveAquaria rates Rhodactis as semi-aggressive, so leave clearance from neighbouring corals. Bounce is a trade name covering several species, so identification by that name alone is unreliable.
About Bounce Mushroom (Rhodactis Inchoata)
The Bounce Mushroom is a small Tongan corallimorph with vivid coloration around its mouth. An easy, beginner-friendly coral for reef tanks.
7 things to know before welcoming a Bounce Mushroom (Rhodactis Inchoata)
1Prefers Low to Moderate Light
Under overly intense lighting, the oral disc may contract and stay closed. Placing it in the mid-to-lower tank, away from direct high-intensity light, tends to work well.
2Needs Gentle Water Flow
Strong, direct flow can cause the oral disc to fold or close up repeatedly. Placing it in a rock crevice with gentle, indirect circulation helps it settle in.
3Give It Space from Other Corals
Since it expands and contracts its body significantly, contact with neighboring corals can lead to stinging or territorial disputes. Leave ample space around it when placing it in the tank.
4Attaches Well to Coralline-Coated Rock
Placing it on live rock coated with coralline algae, where its pedal disc can grip easily, helps it settle in smoothly. If you need to relocate it, avoid forcing it off — waiting for it to release naturally is the safer approach.
5Sensitive to Sudden Water Changes
Sudden shifts in temperature, salinity, or water chemistry can cause the oral disc to stay closed. Making water changes and dosing gradually, in small increments, helps avoid stress.
6Can Multiply Through Division
Under good conditions, it can naturally divide and increase in number over time. Planning ahead — such as moving new individuals to nearby rockwork — helps keep the layout organized.
7Acclimate Carefully Before Introduction
After transport, it can be sensitive to differences in temperature and water chemistry, so a slow drip acclimation method helps it settle in more calmly. It's normal for the oral disc to stay closed for a while after introduction — simply monitor it.
Frequently asked questions about Bounce Mushroom (Rhodactis Inchoata)
- Q.Can beginners keep a Bounce Mushroom?
- A.Yes, it's generally considered an easy species suitable for beginners. That said, placement still matters, since overly strong light or flow can cause it stress.
- Q.Is a closed oral disc a sign of illness?
- A.Not necessarily. It can temporarily close after transport, following an environmental change, or when light or flow is too strong. If it doesn't reopen after a few days, it's worth reviewing the tank conditions.
- Q.Can it be placed alongside other corals?
- A.It can be kept alongside other corals, but since it expands and contracts significantly, it's important to leave enough space to prevent contact with neighboring specimens.
- Q.Is it subject to any CITES regulations?
- A.The Bounce Mushroom is not subject to CITES.
- Q.Does coloration vary between individuals?
- A.Yes, base coloration varies — blue, reddish-purple, and green are all seen, and some individuals show a contrasting color around the mouth. Choosing which coloration you like is part of the fun.
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