© Pul Muir / CC BY 4.0Acropora Solitaryensis
Acropora Solitaryensis is a member of the Acropora genus, first described by Veron and Wallace in 1984. It thrives across a wide depth range of 2 to 30 meters and, in subtropical waters, can even be found along exposed rocky shorelines — a sign of its adaptability to varying conditions. Its branching growth form makes for an eye-catching centerpiece in a reef tank, and it has long been popular among experienced coral keepers. That said, it demands strong, stable lighting, flow, and water quality, which places it firmly in the advanced-keeper category. This coral suits hobbyists who already have reef-keeping experience and are ready to take on a more demanding species.
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Acropora Solitaryensis key facts
- Care level
- Advanced
- Temperature
- 22〜26℃
- Diet
- Mainly nutrition from symbiotic zooxanthellae, supplemented with powdered or liquid coral foods and phytoplankton.
- Lighting
- Requires strong light. AlgaeBarn cites successful Acropora keeping at PAR 800 or more. Start newly added colonies under reduced light and raise it over several weeks.
- Flow & Placement
- It lives on subtidal reef slopes, walls and submerged reefs across a broad 2-30 m range. In the aquarium give it the strong randomised flow typical of the genus.
- Water Temperature & Quality
- Water 22-26C, specific gravity 1.023-1.025, KH 8-12, calcium 380-440 ppm, magnesium 1300-1400 ppm. Sudden swings in alkalinity are the most common cause of tissue loss.
- Feeding
- Most of its nutrition comes from photosynthesis by its zooxanthellae. Powdered or liquid coral foods and phytoplankton can be offered as a supplement, but stable light and water chemistry matter more than feeding.
- Notes
- A higher-latitude species reaching 35N. Its Japanese name is also the general term for the whole genus Acropora, so stock offered under that name alone may be a different species; check it against the scientific name Acropora solitaryensis. Listed on CITES Appendix II.
About Acropora Solitaryensis
Acropora Solitaryensis, described in 1984, thrives across a wide depth range of 2-30m. Learn about this advanced-level coral's characteristics before adding it to your reef tank.
7 things to know before welcoming a Acropora Solitaryensis
1Advanced-Level Care
Acropora Solitaryensis is considered a species for experienced reef keepers, requiring consistently strong lighting, flow, and water quality. It's best to build up some coral-keeping experience before bringing one home.
2Lives Across a Wide Depth Range
In the wild, this coral is found from 2 to 30 meters deep, and in subtropical waters it can even grow along exposed rocky shorelines. Because of this, the ideal light level in your tank may vary depending on where you place it — watch how it responds and adjust accordingly.
3Needs Steady Water Flow
As a branching coral, Solitaryensis benefits from even water flow that reaches all sides of its structure. Stagnant flow can stress its tissue, so it's worth checking that your circulation pumps are angled to avoid dead spots.
4Lighting Requirements
Like other reef-building corals, it hosts photosynthetic zooxanthellae and depends on adequate lighting. Acclimate it gradually to your tank's light levels after introduction rather than exposing it to full intensity right away.
5Stable Water Parameters
Regularly testing calcium, KH, and magnesium — and keeping them from swinging — is fundamental to keeping this coral healthy. It's best avoided in tanks that have only recently been set up.
6Keep Placement Settled
Once you find a spot where it's thriving, avoid moving it around, as frequent relocation can hinder its ability to settle. Keep some distance from neighboring corals to reduce the risk of contact damage or algae buildup.
7Preparing Before You Buy
Because this is an advanced-level species, it's best introduced only after your tank is well established and water quality has stabilized. Before bringing one home, confirm your lighting and flow setup can support its needs.
Frequently asked questions about Acropora Solitaryensis
- Q.Is this coral suitable for beginners?
- A.Acropora Solitaryensis is considered an advanced-level species. It's best kept once you can reliably maintain strong lighting, stable flow, and consistent water quality.
- Q.What depth range does it naturally live in?
- A.In the wild it's found from 2 to 30 meters deep, and in subtropical waters it can even grow along exposed rocky shorelines. The ideal lighting in your tank may vary depending on where you place it.
- Q.What should I watch for when introducing it to my tank?
- A.Acclimate it gradually to your tank's lighting and flow, and avoid large swings in water parameters. It's best not to add it to a tank that was set up only recently.
- Q.What kind of water flow does it need?
- A.It prefers steady, even flow that reaches all sides of its branching structure. Check that your circulation pumps are positioned to avoid any stagnant spots.
- Q.Is this species subject to any legal restrictions?
- A.Acropora Solitaryensis is listed in CITES Appendix II. International trade requires a permit from the exporting country, but as far as CITES is concerned, no registration is needed to buy or sell individuals already legally in Japan.
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