
Rhodactis mushrooms, also known as hairy mushrooms, are a variety of furry corallimorphs found in the Indo-Pacific region, including the Great Barrier Reef. They are commonly found in shallow waters, particularly in lagoons, reef flats, and other similar environments, where they grow on rocks, sand, and other hard surfaces. They exhibit unique and varied colours, shapes, textures, and sizes, ranging from solid colours to stripes and spots. They are easy to care for and adaptable to multiple common aquarium environments, making them a popular choice for reef hobbyists.
| Characteristics | Values |
|---|---|
| Classification | Corallimorphs |
| Related to | Stony corals, anemones |
| Subclass | Hexacorallia |
| Size | 4-8 inches in diameter (up to 12" or even 18" for some varieties) |
| Growth rate | Moderate |
| Lighting | Moderate |
| Water flow | Moderate to high |
| Placement in aquarium | Near the bottom of the tank in areas of lower light and flow |
| Native to | Indo-Pacific region, especially Fiji, Tonga, Solomon Islands, and Bali, Indonesia |
| Nutrition | Symbiotic relationship with photosynthetic algae called zooxanthellae |
| Propagation | Asexual through longitudinal fission or splitting |
| Texture | Furry |
| Colors | Rainbow, orange, and more |
| Shapes | Flowerlike |
| Compatible with | Clownfish |
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What You'll Learn

Placement on rocks or substrate
Rhodactis mushrooms are a popular addition to aquariums and reef tanks due to their vibrant colours and ease of care. They are native to the Indo-Pacific region, particularly the waters surrounding Fiji, Tonga, and the Solomon Islands. They are commonly found on reef slopes, bays, and lagoons, where water flow is generally gentle.
When placing Rhodactis mushrooms in an aquarium, they can be placed on live rocks or directly on the substrate. It is important to secure them to rockwork or substrate in a stable location to prevent them from detaching and floating away. They prefer moderate water flow, so it is important to ensure that the water movement is not too strong. An area with moderate flow will help ensure that they receive adequate nutrients and oxygen.
Rhodactis mushrooms can be placed almost anywhere in the aquarium where lighting and flow are suitable. They require moderate lighting to thrive and can be kept under LED lights. The optimal PAR (photosynthetically active radiation) range for Rhodactis mushrooms is between 50 and 150. They prefer low to moderate light levels, and indirect lighting can help promote their growth and vibrant colours.
In addition to lighting and flow, it is important to consider the placement of Rhodactis mushrooms in relation to other marine life in the aquarium. Rhodactis mushrooms are generally peaceful creatures that get along well with other species. However, it is recommended to keep them away from aggressive or predatory species that could harm or eat the mushrooms. Good tank mates include fish like clownfish, gobies, and blennies, as well as other soft coral species. They can also be placed in a garden with other Rhodactis mushrooms.
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Water flow
Rhodactis mushrooms are native to the Indo-Pacific region, particularly the waters surrounding the islands of Fiji, Tonga, and the Solomon Islands. They are commonly found on reef slopes, bays, and lagoons, where water flow is generally gentle.
Rhodactis mushrooms are a popular choice for reef aquarium enthusiasts due to their vibrant colors, unique shapes, and low maintenance. They are relatively easy to propagate and have moderate growth rates. They can self-propagate asexually through longitudinal fission or splitting. They have a symbiotic relationship with photosynthetic algae called zooxanthellae, which live within the mushroom's tissues and provide it with nutrition through photosynthesis. Additionally, they can feed on dissolved organic matter, phytoplankton, and zooplankton present in the water column.
When placing Rhodactis mushrooms in an aquarium, it is important to consider their preferred water flow and lighting conditions. They thrive in low to moderate flow areas and should be avoided from being placed in high flow areas, as this can cause them to detach and drift away. They prefer moderate lighting levels and can attach themselves to rocks and other surfaces. It is important to avoid placing them in direct flow or bright light, as this can damage their delicate tissue. Maintaining stable water parameters and providing adequate lighting and water flow are essential for the health and longevity of Rhodactis mushrooms.
Overall, Rhodactis mushrooms are a great addition to a reef tank and can enhance its aesthetic appeal while supporting a healthy and thriving aquatic ecosystem. They are generally hardy and resilient, but regular monitoring for any signs of disease or stress is important.
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Lighting
Rhodactis mushrooms are easy to care for and can thrive in a variety of lighting conditions. They are photosynthetic and do not require intense lighting. They prefer low to moderate lighting levels and can adapt well to these conditions. This adaptability allows hobbyists with different lighting setups to enjoy these corals.
When placing Rhodactis mushrooms in an aquarium, they should be positioned in a low to medium light area. They require indirect lighting to promote their growth and vibrant colours. A light intensity of 75-150 par is generally considered low to moderate lighting and is suitable for these mushroom corals. LED lighting can also be used to provide the ideal light intensity.
It is important to maintain consistent lighting to prevent any sudden changes in light intensity that may cause stress to the mushroom coral. Stress can lead to the mushroom shrinking or detaching from its substrate. If the mushroom does not get sufficient lighting, it will detach and float around the tank until it finds a more suitable location with adequate lighting.
When introducing a new mushroom to the aquarium, it is recommended to lower the lights to 50% of the normal schedule for 48 hours to help it acclimate. Regular water changes and maintaining a stable environment can also help prevent issues related to lighting and other factors.
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Propagation
Rhodactis mushrooms are a variety of furry Corallimorphs found primarily in the Indo-Pacific region, particularly in the waters surrounding Fiji, Tonga, and the Solomon Islands. They are commonly found on reef slopes, bays, and lagoons, where water flow is generally gentle. These mushrooms exhibit a wide range of colours, shapes, textures, and sizes, with some remaining small while others, like the Elephant Ear variety, can grow to over 12 inches in diameter. They are highly diverse, with some displaying unusual growths called pseudotentacles.
Rhodactis mushrooms are relatively easy to propagate and can be asexual, with one common method being to cut a fragment, or "frag," from a large mushroom and place it on a frag plug to grow. This can be done by cutting the mushroom down the middle once it reaches a sufficient size. The frag can then be placed in a basket hanging in the tank, allowing it to attach naturally to the plug. Another method is to simply dip the frag in coral dip to remove pests and prevent the transfer of bacteria and algae cells before placing it in the tank.
Alternatively, Rhodactis mushrooms can self-propagate through longitudinal fission or splitting, similar to other Corallimorphs like Discosoma, which spread asexually through pedal laceration. They have a moderate growth rate and can reach a size of up to 4-8 inches in diameter. Their growth is influenced by factors such as lighting, water flow, and nutrient availability. In an aquarium, they prefer moderate to high water flow and moderate lighting levels, attaching themselves to rocks and other surfaces.
Rhodactis mushrooms have a symbiotic relationship with photosynthetic algae called zooxanthellae, which live within their tissues and provide nutrition through photosynthesis. This mutualistic relationship, along with their adaptability to various aquarium environments, makes them a popular and widely available choice for reef aquarium enthusiasts.
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Compatibility with other species
Rhodactis mushrooms, also known as mushroom corals, are a popular choice for reef aquariums due to their vibrant colours and ease of care. They are native to the Indo-Pacific region, particularly the waters surrounding Fiji, Tonga, and the Solomon Islands, where they thrive in reef slopes, bays, and lagoons with gentle water flow.
When it comes to compatibility with other species in a reef aquarium, Rhodactis mushrooms are generally peaceful and get along well with most tank mates. They have a symbiotic relationship with photosynthetic algae called zooxanthellae, which live within their tissues and provide them with nutrition through photosynthesis. However, it's important to keep an eye out for aggressive tank mates that might harm or eat the mushrooms. They should be placed away from coral species that could sting them or be stung by the mushrooms' sweeper tentacles.
To promote a harmonious environment, provide ample space between Rhodactis mushrooms and other corals. They can become aggressive and overgrow their neighbours if placed too closely together. Reef-safe and non-aggressive fish and invertebrates are typically good companions. Aggressive or predatory species should be avoided.
Rhodactis mushrooms can be placed directly on the substrate or attached to rocks or frag plugs in the aquarium. They prefer moderate to high water flow and moderate lighting levels, with consistent lighting within the low to moderate range being ideal. They can also be placed in areas of lower light and flow near the bottom of the tank, similar to their natural habitat.
Overall, Rhodactis mushrooms are compatible with a wide range of species in a reef aquarium, making them a versatile and colourful addition to any tank.
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Frequently asked questions
Place your Rhodactis mushrooms in an area with low to medium light and low to moderate water flow. They can be placed on live rocks or directly on the substrate at the bottom of the tank.
When placing multiple Rhodactis mushrooms, ensure there is enough space between them and other corals to prevent unwanted interactions. Rhodactis mushrooms have sweeper tentacles that can sting neighbouring corals.
No, avoid placing Rhodactis mushrooms in high-flow areas as this can cause them to detach and drift away.
No, Rhodactis mushrooms do not require intense lighting. Place them in an area with indirect lighting to promote their growth and vibrant colours.
Yes, Rhodactis mushrooms are generally peaceful creatures that get along well with other marine life. However, keep them away from aggressive tank mates and coral species that might sting them.























