Can beginners keep Acropora tortuosa?

Acropora tortuosa is generally considered a coral for experienced reefkeepers. It requires careful management of lighting, water flow, and stability, so it's best to build experience with other Acropora species first.

How deep does it live in the wild?

In its natural habitat, tortuosa is found from near the surface down to around 30 meters — an unusually wide depth range for its genus. This adaptability is one of its defining traits.

When was this species first described?

It was described in 1846 by Dana under the name Madrepora tortuosa. Its distribution is centered on the western Pacific.

Can it be placed near other corals?

As its branches grow, contact with neighboring corals can trigger sweeper-tentacle aggression, so it's important to leave enough space when placing it. Plan your layout with its eventual size in mind.

Is Acropora tortuosa listed under CITES?

Acropora Tortuosa 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.

Acropora Tortuosa

Acropora tortuosa is a branching stony coral first described in 1846 by Dana as Madrepora tortuosa. Found mainly across the western Pacific, it occupies a notably wide depth range for its genus, from near the surface down to about 30 meters. Its branches twist and taper into a distinctive, sculptural form that stands out in any reef tank. That said, tortuosa tends to be sensitive to lighting, flow, and water stability, which is why it's generally regarded as a coral for experienced reefkeepers who can maintain consistent conditions before bringing one home.

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Acropora Tortuosa key facts

Care level: Advanced
Temperature: 24〜27℃
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 occupies a wide depth range of 1-30 m in the wild, but in the aquarium give it the strong randomised flow typical of the genus and a bright position on the upper rockwork.
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: Uncommon in the trade and poorly documented, so check the scientific name on the label when buying. Listed on CITES Appendix II and international trade requires permits.

TraitsSPSAcroporaStony coralCITES II

About Acropora Tortuosa

Acropora tortuosa is a branching stony coral from the western Pacific, found at depths of 1 to 30 meters. Known for its twisting branch form, it suits experienced reef keepers comfortable with careful tank management.

7 things to know before welcoming a Acropora Tortuosa

1Needs Strong Lighting
Branching Acropora species need intense lighting to support photosynthesis in their symbiotic algae. Make sure your tank can deliver strong output from LEDs or metal halide fixtures before adding one. Insufficient light often leads to bleaching or stunted growth.
2Steady Water Flow
In the wild, tortuosa grows across a wide range from near the surface to about 30 meters, always in moving water. Aim for consistent, moderate flow in the tank so debris doesn't settle on the branches. Stagnant spots can stress the polyps over time.
3Sensitive to Swings
Tortuosa reacts poorly to sudden shifts in calcium, alkalinity, or trace elements. Introduce water changes and supplements gradually rather than all at once. Regular water testing helps you catch drifts before they become a problem.
4Give It Space
As it grows, its branches spread outward and can trigger sweeper-tentacle stings if they touch neighboring corals. Leave enough space when placing it, accounting for how much it will expand over time.
5Coloring Takes Time
After introduction, the coral spends energy adapting to its new environment, so vivid coloration can take weeks to months to develop. Avoid making abrupt changes to lighting or dosing — patience during this settling-in period pays off.
6Can Be Fragged
As a branching Acropora, tortuosa can be propagated by fragging — cutting healthy branch tips to grow new colonies. Freshly cut fragments need extra care around wound healing and water stability, so this is best attempted once you're comfortable with the species.
7Wait for a Mature Tank
This coral isn't a good fit for a newly cycled tank where the ecosystem hasn't stabilized yet. It's best to wait until your live rock and filtration have matured and parameters stay consistent before adding one.

Frequently asked questions about Acropora Tortuosa

Q.Can beginners keep Acropora tortuosa?: A.Acropora tortuosa is generally considered a coral for experienced reefkeepers. It requires careful management of lighting, water flow, and stability, so it's best to build experience with other Acropora species first.
Q.How deep does it live in the wild?: A.In its natural habitat, tortuosa is found from near the surface down to around 30 meters — an unusually wide depth range for its genus. This adaptability is one of its defining traits.
Q.When was this species first described?: A.It was described in 1846 by Dana under the name Madrepora tortuosa. Its distribution is centered on the western Pacific.
Q.Can it be placed near other corals?: A.As its branches grow, contact with neighboring corals can trigger sweeper-tentacle aggression, so it's important to leave enough space when placing it. Plan your layout with its eventual size in mind.
Q.Is Acropora tortuosa listed under CITES?: A.Acropora Tortuosa 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.