Is Acropora secale suitable for beginners?

It's generally considered an advanced-level coral. Because it's sensitive to changes in water quality, flow, and lighting, it's best to have some experience keeping branching Acropora species before adding it to your tank.

How large does it grow?

Its branches reach up to about 20mm in diameter and 70mm in length. Because the lower branches extend further than the upper ones, the whole colony develops into a low, evenly leveled, mound-like shape.

What colors does it display?

Some colonies show purplish branches with yellow tips, complemented by the alternating rows of corallites, for a striking overall look. That said, how the color develops depends on water quality and lighting conditions.

Can it be kept with other Acropora species?

It generally combines well with other Acropora that prefer similar lighting and flow. Since individual species vary in their preferences, adjust placement and flow direction for each coral as needed.

What causes the colony's color to fade?

Fading is often linked to insufficient lighting or sudden shifts in water parameters. Start by reviewing your lighting duration and intensity along with your water test results, and avoid making abrupt changes while you monitor the coral.

Acropora Secale

Acropora secale is a stony coral known for forming low, mound-shaped colonies. Its branches grow up to about 20mm in diameter and 70mm in length, tapering to fine points at the tips. Because the lower branches extend further than those above, the colony develops a neatly leveled, hill-like profile. The corallites are arranged in alternating rows of larger and smaller openings, and colonies often display striking color combinations, with purplish branches accented by yellow tips. While its tidy growth form and vivid coloration make it a rewarding centerpiece for a reef tank, this coral is sensitive to lighting, water flow, and water quality changes, making it best suited to experienced reef keepers.

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Acropora Secale key facts

Care level: Advanced
Size: Branches up to 20 mm in diameter and 70 mm long
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: The low, level-topped colony wants light and flow reaching its whole upper surface evenly. LiveAquaria places stock of this species in the strong-flow category.
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: The yellow or blue branch tips are the main attraction. It is a hermaphrodite that spawns once a year, six days after the full moon. Listed on CITES Appendix II.

TraitsSPSAcroporaStony coralCITES II

About Acropora Secale

Acropora secale forms low, mound-shaped colonies with tapering branches up to 70mm long, prized for its purple-and-yellow coloration. It's an advanced-level coral best suited to experienced reef keepers.

7 things to know before welcoming a Acropora Secale

1Best Suited to Experts
Acropora secale is considered an advanced-level coral even among Acroporas. It's sensitive to shifts in water quality, flow, and lighting, so it's best avoided in newly established or unstable tanks.
2A Neatly Tapered Colony
Its branches grow up to 20mm in diameter and 70mm in length, tapering to fine points at the tips. Because the lower branches extend further, the colony develops into a neatly leveled, mound-like shape over time.
3Needs Strong Lighting
Placing it in the upper to middle levels of the tank, where light penetrates well, helps maintain good coloration. Sudden changes in lighting can cause color loss, so acclimate it gradually when introducing it to your tank.
4Prefers Steady Flow
This coral does best with flow that reaches evenly across all its branches. Uneven flow can cause inconsistent polyp extension and debris buildup, so using flow from multiple directions helps.
5Purple-and-Yellow Coloring
Some colonies show striking coloration, with purplish branches and yellow tips, complemented by the alternating rows of corallites. How the color develops depends on water quality and lighting conditions.
6Watch for Sudden Swings
This coral is vulnerable to sudden shifts in calcium, alkalinity, and other water parameters, which can lead to bleaching. Regular water testing and avoiding abrupt changes in supplement dosing are important.
7Before You Bring One Home
A tank with stable lighting, flow, and water quality is more suitable than a newly cycled one. After introduction, observe it closely for a while to confirm it's adjusting well.

Frequently asked questions about Acropora Secale

Q.Is Acropora secale suitable for beginners?: A.It's generally considered an advanced-level coral. Because it's sensitive to changes in water quality, flow, and lighting, it's best to have some experience keeping branching Acropora species before adding it to your tank.
Q.How large does it grow?: A.Its branches reach up to about 20mm in diameter and 70mm in length. Because the lower branches extend further than the upper ones, the whole colony develops into a low, evenly leveled, mound-like shape.
Q.What colors does it display?: A.Some colonies show purplish branches with yellow tips, complemented by the alternating rows of corallites, for a striking overall look. That said, how the color develops depends on water quality and lighting conditions.
Q.Can it be kept with other Acropora species?: A.It generally combines well with other Acropora that prefer similar lighting and flow. Since individual species vary in their preferences, adjust placement and flow direction for each coral as needed.
Q.What causes the colony's color to fade?: A.Fading is often linked to insufficient lighting or sudden shifts in water parameters. Start by reviewing your lighting duration and intensity along with your water test results, and avoid making abrupt changes while you monitor the coral.