Stylaster Coral Care Guide: Feeding, Flow, Placement and Low-Light Success in Reef Tanks

Stylaster coral is one of the most unusual and delicate corals kept in reef aquariums because it combines lace-like beauty with very specialized non-photosynthetic care requirements. Commonly called lace coral or hydrocoral, Stylaster stands out for its branching skeleton, pastel coloration, and refined structure. Unlike most reef corals, it does not rely on light for energy and instead depends almost entirely on regular feeding and strong environmental stability. This guide explains the care requirements of Stylaster coral in home reef aquariums, including tank setup, lighting, flow, feeding, compatibility, and long-term maintenance.

For advanced reef keepers, Stylaster can be an incredible display coral. Its branching form adds a very different look from fleshy LPS or plating SPS corals, and its shaded, cave-dwelling nature makes it especially useful in lower-light aquascape zones. Even so, Stylaster is not a casual beginner coral. It requires consistency, careful placement, and a serious feeding routine to stay healthy.

Looking to add unique corals to your reef tank? Browse our featured corals and explore healthy additions for your aquarium.

Introduction to Stylaster Coral

Stylaster, commonly known as Lace Coral or Hydrocoral, is a non-photosynthetic hydrocoral admired for its intricate branching skeleton and soft pastel coloration. It is often seen in shades of pink, orange, red, or white, which gives it a refined and natural look in the aquarium.

Unlike traditional stony corals, Stylaster belongs to the Hydrozoan group, which means it is more closely related to hydroids and fire corals than to true stony corals. Because it lacks zooxanthellae, it cannot depend on photosynthesis and instead must be fed consistently to survive and grow.

Why Stylaster Is So Different From Most Reef Corals

• It is non-photosynthetic
• It prefers shaded, low-light areas
• It depends on regular feeding for survival
• It has a delicate lace-like skeleton
• It is best suited for experienced reef keepers

These qualities are what make Stylaster so fascinating, but they are also what make it more demanding than many of the corals kept in mixed reef aquariums.

Natural Habitat and Wild Location

Stylaster species are found across the Indo-Pacific, Caribbean, and Eastern Pacific, including regions such as Australia, Fiji, Hawaii, the Red Sea, and the Great Barrier Reef. In the wild, they are commonly found on deep reef slopes, inside shaded crevices, and in caves where light is limited but suspended food is abundant.

This natural habitat explains why Stylaster should not be treated like a light-loving SPS coral. In the aquarium, it usually does better in protected, dimmer zones that receive strong but indirect flow.

Why Choose Stylaster for Your Reef Tank?

• It has an exquisite lace-like appearance
• It offers a rare and unusual non-photosynthetic coral option
• It adds collector appeal and visual diversity
• It is peaceful and does not engage in aggressive coral warfare

Stylaster is especially appealing for advanced hobbyists who want a coral that looks completely different from the usual torch, acro, or mushroom display pieces.

Optimal Water Parameters

Stable water parameters are critical for Stylaster. Because this coral already depends on frequent feeding, it is especially important to balance nutrition with clean, stable water.

• Temperature: 74-78°F
• Salinity: 1.024-1.026 SG
• pH: 8.1-8.4
• Alkalinity: 8-9 dKH
• Calcium: 400-450 ppm
• Magnesium: 1250-1350 ppm
• Nitrate: below 10 ppm
• Phosphate: below 0.05 ppm

Because Stylaster does not photosynthesize, you want nutrients low but stable. That helps reduce algae growth while still supporting the system required for frequent feeding.

If you are working on chemistry stability, read our guide on pH and alkalinity in reef tanks.

Tank Size and Setup

Stylaster should be kept in a mature, stable reef system where feeding and water quality can be managed carefully.

• Minimum tank size: 30 gallons or larger
• Placement: shaded or low-light areas such as caves, overhangs, or vertical rock faces
• Mounting: attach securely to live rock or a shaded ledge using reef-safe glue

Its delicate branches are easily damaged, so choose a stable, low-traffic location where it will not be bumped during routine maintenance.

Lighting Requirements

Stylaster is non-photosynthetic and does not rely on light for energy. In fact, low to shaded lighting conditions are usually best.

• Lighting: low to shaded
• PAR range: about 0-50 PAR
• Lighting type: any full-spectrum reef light can work if direct intensity is avoided

High-intensity lighting can contribute to bleaching or algae overgrowth, both of which can quickly harm Stylaster. This is one of the biggest reasons shaded placement is so important.

If you want to understand reef lighting better, read our guide on reef tank lighting.

Water Flow and Circulation

Stylaster needs moderate to strong indirect flow. Good circulation is essential because it delivers food particles, removes waste, and prevents detritus or algae from settling on the branches.

• Use moderate to strong indirect flow
• Randomized flow patterns are best
• Avoid harsh laminar flow that can stress tissue or damage branches
• Make sure all sides of the colony receive movement

Consistent flow is one of the most important parts of Stylaster success because it supports both feeding and cleanliness at the same time.

If you want to learn more about circulation, read our guide on water flow and coral health.

Feeding and Nutrition

Stylaster is completely dependent on external feeding. Because it cannot rely on photosynthesis, regular nutrition is one of the most critical parts of its care.

• Preferred foods: phytoplankton, rotifers, marine snow, powdered coral foods, and dissolved organic matter
• Feeding frequency: daily or at least 4-5 times per week
• Feeding method: target feeding with a pipette or broadcast feeding through a dosing system

Consistent small feedings are usually much more effective than large, infrequent meals. Stylaster depends on regular access to suspended food to stay alive and healthy.

Tank Mates and Compatibility

Stylaster is generally peaceful and coexists well with non-aggressive reef life when it has proper space and a protected placement zone.

• Safe companions: gobies, firefish, small wrasses, shrimp, and snails
• Avoid: angelfish, butterflyfish, or other coral-nipping species
• Use caution with: fast-growing soft corals or algae that may overgrow shaded areas and block flow

Stylaster itself is not usually the problem in a mixed reef. More often, it needs protection from fish, algae, and faster-growing neighbors.

Growth Rate and Propagation

Stylaster is a slow-growing coral that forms delicate branching skeletons over time. Propagation is difficult and should only be attempted by experienced reef keepers.

How to frag Stylaster coral:

1. Use a fine coral saw or rotary tool to make clean cuts along branching lines.
2. Avoid crushing or snapping branches, because this can lead to tissue loss.
3. Mount frags in shaded, low-light areas with moderate flow so they can recover.

Because Stylaster is fragile, propagation should be approached carefully and only when the coral is already healthy and stable.

If you want to learn more about propagation, read our guide on how to frag corals.

Common Diseases and How to Prevent Them

• Tissue necrosis: often caused by poor flow, too much light, or lack of feeding
• Algae overgrowth: usually occurs when light or nutrients are too high
• Bacterial infections: may result from handling damage or dirty tools

To prevent these problems, keep feeding and flow consistent, minimize light exposure, and avoid unnecessary physical contact during tank maintenance.

Handling and Acclimation

Stylaster does not tolerate abrupt swings in salinity or temperature well, so careful acclimation is essential.

• Use drip acclimation for about 45 minutes
• Handle gently by the rock base or skeleton
• Avoid direct pressure on the branches

Good acclimation reduces the chance of stress and gives the coral a better chance to settle successfully into the tank.

Maintenance and Cleaning

Because Stylaster needs regular feeding, maintenance becomes even more important to keep the environment clean and stable.

• Perform small weekly water changes of about 5-10%
• Use a turkey baster to gently remove detritus or film algae
• Avoid direct scrubbing or aggressive cleaning
• Consider UV sterilization in nutrient-rich systems if appropriate

The goal is to support a clean environment without physically damaging the coral’s delicate branches.

Signs of Stress and How to Address Them

• Tissue loss or bleaching: often means too much light or insufficient feeding
• Algae covering branches: usually points to excess nutrients or too much light
• Weak polyp extension: may suggest poor flow or not enough available food

If these signs appear, move the coral to a more shaded area if needed, improve feeding consistency, and review both water flow and nutrient balance.

Troubleshooting Common Issues

Slow Tissue Growth

Increase feeding frequency and make sure fine particulate foods are available consistently.

Algae Competition

Reduce light exposure, keep nutrients controlled, and remove algae gently before it overwhelms the branches.

Tissue Recession After Fragging

Move the coral into a lower-stress recovery zone with gentle shading and appropriate indirect flow.

Best Tank Setup for Stylaster Coral

Stylaster usually does best in reef tanks with:

• Low-light shaded placement
• Moderate to strong indirect flow
• Stable water chemistry
• Frequent fine-particle feeding
• Minimal aggression and low physical disturbance

This makes Stylaster a highly specialized coral for advanced aquarists who are willing to match the system to the coral’s needs.

Related Coral Guides You May Also Like

If you are interested in Stylaster coral, you may also want to explore other unique reef tank care guides:

• Browse featured corals
• Chalice coral care guide
• SPS coral care guide
• Beginner’s coral care guide
• Water flow guide

Ready to build a more unique reef display? Browse our featured corals and explore healthy additions for your aquarium.

Shop Stylaster and Specialty Corals

Explore our featured corals, new arrival corals, and soft corals to build a more colorful reef tank.

Final Thoughts

Stylaster coral is one of the most beautiful and specialized corals that can be kept in a home reef aquarium. Its lace-like skeleton and pastel colors make it visually stunning, but its non-photosynthetic nature means it depends completely on stable care, consistent feeding, shaded placement, and excellent flow. For advanced reef keepers willing to meet those needs, Stylaster can become one of the most fascinating corals in the tank.

Frequently Asked Questions

Q: Is Stylaster photosynthetic?
A: No. Stylaster is non-photosynthetic and depends on external feeding.

Q: What lighting does Stylaster need?
A: Low to shaded lighting is usually best, with very low PAR.

Q: How often should Stylaster be fed?
A: Daily or at least 4-5 times per week is usually needed for long-term success.

Q: What flow is best for Stylaster?
A: Moderate to strong indirect flow is usually ideal because it helps deliver food and remove waste.

Q: Is Stylaster beginner friendly?
A: No, not usually. It is generally best suited for advanced aquarists with experience maintaining specialized reef conditions.

About the Author

Scott Shiles is the owner of ExtremeCorals.com, which he has operated for over 25 years and is recognized as one of the early dedicated live coral websites on the internet. A lifelong reef keeper since 1984, Scott has decades of hands-on experience maintaining marine aquariums and previously owned and operated a brick and mortar aquarium retail store for 10 years, including five years alongside Extreme Corals. He holds a degree in Marine Biology and has personally selected and sold hundreds of thousands of live corals. An avid scuba diver who has explored reef systems around the world, Scott shares practical coral care and husbandry knowledge based on real world reef experience.