Introduction to Torch Coral

Torch Coral (Euphyllia glabrescens) is a Large Polyp Stony (LPS) coral known for its long, flowing tentacles tipped with bright colors. Available in green, gold, purple, blue, and orange hues, with contrasting tips in neon or fluorescent shades, Torch Coral adds mesmerizing movement to a reef tank.

Torch Coral is moderately difficult to care for, requiring stable water conditions, moderate lighting, and gentle to moderate water flow. It is semi-aggressive, capable of extending long sweeper tentacles to defend its space. It is an excellent choice for intermediate to advanced reef keepers looking to add an elegant, flowing coral to their setup.

Torch Coral Care Requirements (Quick Parameters)

Temperature: 76–80°F
Salinity: 1.024–1.026
pH: 8.1–8.4
Alkalinity: 8–10 dKH
Calcium: 400–450 ppm
Magnesium: 1250–1350 ppm
Nitrate: 5–10 ppm
Phosphate: 0.03–0.07 ppm
Lighting: 100–200 PAR
Flow: Moderate, indirect

For a complete beginner-friendly guide, read our Ultimate Torch Coral Care Guide covering placement, feeding, and tank setup.

Torch coral requires stable water conditions above all else. Sudden swings in alkalinity, temperature, or nutrients are one of the most common causes of torch coral decline.

Natural Habitat and Location in the Wild

Torch Coral is found in the Indo-Pacific region, particularly in Australia, Indonesia, Fiji, the Philippines, and the Great Barrier Reef. It thrives in lagoonal reefs, reef slopes, and deeper reef zones, attaching to rocky substrates in moderate-light, moderate-flow environments.

Why Choose Torch Coral for Your Reef Tank?

• Stunning Flowing Tentacles – Adds natural movement and elegance to the tank.
• Moderate Growth Rate – Expands steadily in ideal conditions.
• Glows Under Actinic Lighting – Fluorescent tips enhance reef aesthetics.
• Pairs Well with Other Euphyllia – Can be grouped with Frogspawn and Hammer corals. 

Optimal Water Parameters

Maintaining stable water conditions ensures the best health and coloration for Torch Coral:

Weekly water changes (10-15%) help maintain stability and prevent nutrient imbalances.

Tank Size and Setup

• Minimum Tank Size: 30 gallons or larger.
• Placement: Prefers mid to lower areas of the tank, allowing room for tentacle extension.
• Substrate Considerations: Best attached to rockwork with stable footing, ensuring enough space for sweeper tentacle movement.

Lighting Requirements

Torch Coral thrives under moderate lighting, which helps maintain its vibrant coloration and tentacle movement.

• PAR Range: 100-200 PAR
• Lighting Type: LED, T5, or hybrid setups with a blue-spectrum emphasis.
• Lighting Schedule: 8-10 hours per day, with gradual intensity transitions.

Water Flow and Circulation

• Moderate, indirect water flow ensures proper polyp extension and waste removal.
• Avoid strong, direct currents, which can cause tissue damage and stress.
• Randomized flow patterns help prevent detritus buildup and enhance nutrient absorption.

Feeding and Nutrition

Torch Coral benefits from both photosynthesis and direct feeding, absorbing nutrients through its tentacles.

• Preferred Foods: Mysis shrimp, brine shrimp, reef roids, and amino acids.
• Feeding Frequency: 2-3 times per week enhances growth and polyp extension.
• Best Feeding Method: Target feeding at night when tentacles extend.

Tank Mates and Compatibility

• Safe Companions: Clownfish (may host it), gobies, blennies, shrimp, and snails.
• Caution With: Other LPS corals—Torch Coral has long sweeper tentacles that can sting neighbors.
• Avoid: Aggressive fish like certain angelfish and butterflyfish, which may nip at tentacles.

Growth Rate and Propagation

• Moderate growth rate, expanding into multiple branching heads over time.
• Fragging Method: Use bone cutters or coral saws to carefully cut branches from the base for propagation.

Common Diseases and How to Prevent Them

• Brown Jelly Disease – A bacterial infection requiring iodine dips and improved water quality.
• Tissue Recession – Often caused by unstable parameters or excessive flow.
• Algae Overgrowth – Can smother the coral if excess nutrients are present.

Handling and Acclimation

• Drip acclimation is recommended to gradually adjust the coral to new water conditions.
• Minimize handling, as tentacles are delicate and prone to damage.

Maintenance and Cleaning

• Perform weekly water changes (10-15%) to maintain water quality.
• Use a turkey baster to blow off debris from the coral to prevent bacterial infections.

Signs of Stress and How to Address Them

• Shrunken or retracted tentacles – May indicate poor water quality, excessive flow, or aggression from nearby corals.
• Faded or bleached coloration – Reduce light intensity and increase feeding.
• Slow growth or tissue recession – Ensure stable water conditions and avoid placing near aggressive corals.

Troubleshooting Common Issues

• Bleaching – Caused by excessive light exposure; move to a lower-light area.
• Pest Infestation – Inspect regularly for flatworms, nudibranchs, or parasitic snails.
• Slow Growth – Increase target feeding and ensure stable alkalinity and calcium levels.

FAQs on Torch Coral Care

1. How fast does Torch Coral grow?
It has a moderate growth rate, slowly branching into multiple heads over time.

2. Can Torch Coral be kept in a nano tank?
Yes, but stable water parameters and careful placement are essential due to its long sweeper tentacles.

3. Does Torch Coral require direct feeding?
While it survives on photosynthesis, target feeding enhances growth and color vibrancy.

4. How can I tell if my coral is unhealthy?
Signs include tissue recession, faded colors, or tentacle retraction.

5. Can Torch Coral be placed near other corals?
It should be spaced at least 6 inches away from other corals to prevent stinging.

6. What is the best way to frag Torch Coral?
Use a bone cutter or coral saw to carefully cut branches from the base for propagation.

🔹 Torch Coral Care Requirements FAQs

What parameters do torch corals need?
Torch corals require stable parameters including 76–80°F temperature, 8–10 dKH alkalinity, and 400–450 ppm calcium.

What PAR is best for torch coral?
Torch corals thrive in 100–200 PAR lighting.

Do torch corals need feeding?
Yes, feeding 2–3 times per week improves growth and extension.

Are torch corals sensitive to water changes?
Yes, they are sensitive to sudden parameter swings and require stability.

Looking to add a torch coral to your reef tank? Browse our WYSIWYG Torch Corals for sale and get exactly what you see.

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.